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chenxiaoxiong f9e2808b7c DataArts UMN 20250810 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
Co-committed-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
2025-09-02 10:44:13 +00:00

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<a name="dataartsstudio_01_1824"></a><a name="dataartsstudio_01_1824"></a>
<h1 class="topictitle1">Developing a Real-Time Processing Single-Task MRS Flink Jar Job</h1>
<div id="body0000001647693617"><div class="section" id="dataartsstudio_01_1824__section53861334184917"><h4 class="sectiontitle">Prerequisites</h4><p id="dataartsstudio_01_1824__p45214358812">A single-task real-time processing Flink Jar job has been created. For details, see <a href="dataartsstudio_01_0434.html">Creating a Job</a>.</p>
</div>
<div class="section" id="dataartsstudio_01_1824__section199912167228"><h4 class="sectiontitle">Configuring the MRS Flink Jar Job</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_1824__table1272418433122" frame="border" border="1" rules="all"><caption><b>Table 1 </b>MRS Flink Jar job parameters</caption><thead align="left"><tr id="dataartsstudio_01_1824__row1724643121213"><th align="left" class="cellrowborder" valign="top" width="21.41%" id="mcps1.3.2.2.2.4.1.1"><p id="dataartsstudio_01_1824__p17724174314121">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="10.6%" id="mcps1.3.2.2.2.4.1.2"><p id="dataartsstudio_01_1824__p0725174341213">Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="67.99%" id="mcps1.3.2.2.2.4.1.3"><p id="dataartsstudio_01_1824__p1840116841314">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_1824__row372564318123"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p872554341216">Flink Job Name</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p272594314124">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><p id="dataartsstudio_01_1824__p924012193415">Enter the Flink job name.</p>
<p id="dataartsstudio_01_1824__p35771701917">The name is automatically generated in <em id="dataartsstudio_01_1824__i535332082015">Workspace-Job name</em> format.</p>
<p id="dataartsstudio_01_1824__en-us_topic_0177038589_p15602016115115">The job name can contain 1 to 64 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed. Chinese characters are not allowed.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row1072534317124"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p92401121341">MRS Cluster</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p272674318126">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><p id="dataartsstudio_01_1824__p196381516237">Select an MRS cluster.</p>
<div class="note" id="dataartsstudio_01_1824__note556618171891"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="dataartsstudio_01_1824__p656616176915">Currently, jobs with a single Flink Jar node support MRS 3.2.0-LTS.1 and later versions.</p>
</div></div>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row572610437127"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p272694311122">Program Parameter</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p2726124311216">No</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><p id="dataartsstudio_01_1824__p1353255742412">Set job running parameters. This parameter is displayed only after an MRS cluster is selected.</p>
<p id="dataartsstudio_01_1824__p1730631015141">(Optional) Configure optimization parameters such as threads, memory, and vCPUs for the job to optimize resource usage and improve job execution performance.</p>
<div class="caution" id="dataartsstudio_01_1824__note14458102111211"><span class="cautiontitle"> CAUTION: </span><div class="cautionbody"><p id="dataartsstudio_01_1824__p18458112111217">You can query historical checkpoints and select a specified checkpoint to start a Flink JAR job. To make a Flink checkpoint take effect, configure the following two parameters:</p>
<ul id="dataartsstudio_01_1824__ul681819161263"><li id="dataartsstudio_01_1824__li148181616112619">Checkpoint interval:<p id="dataartsstudio_01_1824__p1373672932612"><a name="dataartsstudio_01_1824__li148181616112619"></a><a name="li148181616112619"></a><strong id="dataartsstudio_01_1824__b0404657182020">-yD: execution.checkpointing.interval=1000</strong></p>
</li><li id="dataartsstudio_01_1824__li4361036132616">Number of reserved checkpoints:<p id="dataartsstudio_01_1824__p773610296261"><a name="dataartsstudio_01_1824__li4361036132616"></a><a name="li4361036132616"></a><strong id="dataartsstudio_01_1824__b112679112217">-yD: state.checkpoints.num-retained=1</strong><strong id="dataartsstudio_01_1824__b82687110211">0</strong></p>
<p id="dataartsstudio_01_1824__p4869125863019">When querying the checkpoint list, enter parameter <strong id="dataartsstudio_01_1824__b14426133162112">-s</strong> and click the parameter value text box. The parameter value will be automatically displayed.</p>
</li></ul>
</div></div>
<div class="note" id="dataartsstudio_01_1824__en-us_topic_0101095437_note2073561518462"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="dataartsstudio_01_1824__en-us_topic_0101095437_p1226422124616">This parameter is mandatory if the cluster version is MRS 1.8.7 or later than MRS 2.0.1.</p>
</div></div>
<p id="dataartsstudio_01_1824__p1197141010819">Click <strong id="dataartsstudio_01_1824__b39757386335342">Select Template</strong> and select a parameter template. You can also select multiple templates. For details on how to create data connections, see <a href="dataartsstudio_01_1282.html">Configuring a Template</a>.</p>
<p id="dataartsstudio_01_1824__p641390103312">For details about the parameters of MRS Flink jobs, see <strong id="dataartsstudio_01_1824__b128429258554">Managing an Existing Cluster</strong> &gt; <strong id="dataartsstudio_01_1824__b1584392575511">Job Management</strong> &gt; <strong id="dataartsstudio_01_1824__b12843162515512">Running a Flink Job</strong> in <em id="dataartsstudio_01_1824__i198431425145511">MapReduce Service (MRS) User Guide</em><em id="dataartsstudio_01_1824__i1784382519559"></em>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row12726144318127"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p4240329341">Job Execution Parameter</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p127267431127">No</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><p id="dataartsstudio_01_1824__p1691019011117">Set the parameters for the Flink job.</p>
<p id="dataartsstudio_01_1824__p1191772851">Variables required for executing the Flink job. These variables are specified by the functions in the Hive script. Multiple parameters are separated by spaces.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row202847819214"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p13841201118399">MRS Resource Queue</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p16841111123910">No</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><p id="dataartsstudio_01_1824__p13865635113910">Select a created MRS resource queue.</p>
<p id="dataartsstudio_01_1824__p1536015140328">This parameter is mandatory if <a href="dataartsstudio_01_04501.html#dataartsstudio_01_04501__section146531751579">Whether MRS Resource Queue Is Mandatory</a> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0181380725_b49381423121215">Yes</strong>.</p>
<p id="dataartsstudio_01_1824__p103823251828">Select a queue you configured in the queue permissions of DataArts Security. If you set multiple resource queues for this node, the resource queue you select here has the highest priority.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row8904144517337"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p1524092163410">Flink job resource package</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p1824016212342">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><p id="dataartsstudio_01_1824__p6163143142720">Select a JAR package. Before selecting a JAR package, upload the JAR package to the OBS bucket, create a resource on the <span class="wintitle" id="dataartsstudio_01_1824__wintitle20152132216264"><b>Manage Resource</b></span> page, and add the JAR package to the resource management list. For details, see <a href="dataartsstudio_01_0519.html#dataartsstudio_01_0519__en-us_topic_0165312432_section6325757145320">Creating a Resource</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row8159134873320"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p1824113210347">Rerun Policy</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p1241623346">No</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><ul id="dataartsstudio_01_1824__ul759944521115"><li id="dataartsstudio_01_1824__li45371950171911">Rerun from the previous checkpoint</li><li id="dataartsstudio_01_1824__li18781161121213">Rerun the job</li></ul>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row21391252123319"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p7241027343">Input Data Path</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p3241323342">No</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><p id="dataartsstudio_01_1824__p49115199014">Set the input data path. You can select an HDFS or OBS path.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row19884135753312"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.2.2.4.1.1 "><p id="dataartsstudio_01_1824__p142417213344">Output Data Path</p>
</td>
<td class="cellrowborder" valign="top" width="10.6%" headers="mcps1.3.2.2.2.4.1.2 "><p id="dataartsstudio_01_1824__p52412024346">No</p>
</td>
<td class="cellrowborder" valign="top" width="67.99%" headers="mcps1.3.2.2.2.4.1.3 "><p id="dataartsstudio_01_1824__p491617141616">Set the output data path. You can select an HDFS or OBS path.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_1824__table55415158245" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Advanced settings</caption><thead align="left"><tr id="dataartsstudio_01_1824__row115411715102417"><th align="left" class="cellrowborder" valign="top" width="21.41%" id="mcps1.3.2.3.2.4.1.1"><p id="dataartsstudio_01_1824__p0541141518248">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="10.51%" id="mcps1.3.2.3.2.4.1.2"><p id="dataartsstudio_01_1824__p105414155242">Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="68.08%" id="mcps1.3.2.3.2.4.1.3"><p id="dataartsstudio_01_1824__p1854191510245">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_1824__row12541111522417"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.3.2.4.1.1 "><p id="dataartsstudio_01_1824__p19180121411321">Job Status Polling Interval (s)</p>
</td>
<td class="cellrowborder" valign="top" width="10.51%" headers="mcps1.3.2.3.2.4.1.2 "><p id="dataartsstudio_01_1824__p9180141414324">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="68.08%" headers="mcps1.3.2.3.2.4.1.3 "><p id="dataartsstudio_01_1824__en-us_topic_0099822521_p4161191101716">Set the interval at which the system checks whether the job is complete. The interval can range from 30s to 60s, or 120s, 180s, 240s, or 300s.</p>
<p id="dataartsstudio_01_1824__p731016893614">During job execution, the system checks the job status at the configured interval.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row11542181514244"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.3.2.4.1.1 "><p id="dataartsstudio_01_1824__p15180131417326">Maximum Wait Time</p>
</td>
<td class="cellrowborder" valign="top" width="10.51%" headers="mcps1.3.2.3.2.4.1.2 "><p id="dataartsstudio_01_1824__p121801314193219">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="68.08%" headers="mcps1.3.2.3.2.4.1.3 "><p id="dataartsstudio_01_1824__en-us_topic_0099822521_p11011456393">Set the timeout interval for the job. If the job is not complete within the timeout interval and retry is enabled, the job will be executed again.</p>
<div class="note" id="dataartsstudio_01_1824__note8676514123116"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="dataartsstudio_01_1824__p76762148319">If the job is in starting state and fails to start, it will fail upon timeout.</p>
</div></div>
</td>
</tr>
<tr id="dataartsstudio_01_1824__row1754210151245"><td class="cellrowborder" valign="top" width="21.41%" headers="mcps1.3.2.3.2.4.1.1 "><p id="dataartsstudio_01_1824__p13180161418324">Retry upon Failure</p>
</td>
<td class="cellrowborder" valign="top" width="10.51%" headers="mcps1.3.2.3.2.4.1.2 "><p id="dataartsstudio_01_1824__p718061417327">No</p>
</td>
<td class="cellrowborder" valign="top" width="68.08%" headers="mcps1.3.2.3.2.4.1.3 "><p id="dataartsstudio_01_1824__en-us_topic_0099822521_p2105628102858">Whether to re-execute a <span id="dataartsstudio_01_1824__text6556181135614">node</span> if it fails to be executed.</p>
<ul id="dataartsstudio_01_1824__en-us_topic_0099822521_ul18950660102858"><li id="dataartsstudio_01_1824__en-us_topic_0099822521_li36338219102858"><strong id="dataartsstudio_01_1824__b58888818564">Yes</strong>: The node task will be re-executed, and the following parameters must be configured:<ul id="dataartsstudio_01_1824__ul14441415184017"><li id="dataartsstudio_01_1824__li17128142535315">Retry upon Timeout</li><li id="dataartsstudio_01_1824__li644715194012"><strong id="dataartsstudio_01_1824__b1184111319562">Maximum Retries</strong></li><li id="dataartsstudio_01_1824__li844015154014"><strong id="dataartsstudio_01_1824__b1105151555612">Retry Interval (seconds)</strong></li></ul>
</li><li id="dataartsstudio_01_1824__en-us_topic_0099822521_li37668971102858"><strong id="dataartsstudio_01_1824__b114191419185613">No</strong>: The <span id="dataartsstudio_01_1824__text242018192569">node</span> will not be re-executed. This is the default setting.</li></ul>
<div class="note" id="dataartsstudio_01_1824__en-us_topic_0099822521_note845010501289"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="dataartsstudio_01_1824__p9907161111440">If retry is configured for a job node and the timeout duration is configured, the system allows you to retry a node when the node execution times out.</p>
<p id="dataartsstudio_01_1824__p169071115449">If a node is not re-executed when it fails upon timeout, you can go to the <strong id="dataartsstudio_01_1824__b4346323135616">Default Configuration</strong> page to modify this policy.</p>
<p id="dataartsstudio_01_1824__p8311182714530"><strong id="dataartsstudio_01_1824__b10759173310226">Retry upon Timeout</strong> is displayed only when <strong id="dataartsstudio_01_1824__b1759333102214">Retry upon Failure</strong> is set to <strong id="dataartsstudio_01_1824__b20759193332212">Yes</strong>.</p>
</div></div>
</td>
</tr>
</tbody>
</table>
</div>
<p id="dataartsstudio_01_1824__p44681256151310">After setting the parameters, click <strong id="dataartsstudio_01_1824__b202661246161819">Save</strong> and submit the job.</p>
<p id="dataartsstudio_01_1824__p20444184915122">Click <strong id="dataartsstudio_01_1824__b69966555180">Start</strong> to run the job.</p>
</div>
<div class="section" id="dataartsstudio_01_1824__section1143223775512"><h4 class="sectiontitle">Configuring Basic Job Information</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_1824__table1164281685618" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Basic job information</caption><thead align="left"><tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_row53625586"><th align="left" class="cellrowborder" valign="top" width="16.3%" id="mcps1.3.3.2.2.3.1.1"><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p144111518820">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="83.7%" id="mcps1.3.3.2.2.3.1.2"><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p114495284">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_row124865681"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p251957816">Owner</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p19551159812">An owner configured during job creation is automatically matched. This parameter value can be modified.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_row53761191048"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p83762019643">Executor</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p1687715635117">This parameter is available when <strong id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_b1597517458487">Scheduling Identities</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_b15106115794816">Yes</strong>. </p>
<p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p737741920412">User that executes the job. When you enter an executor, the job is executed by the executor. If the executor is left unspecified, the job is executed by the user who submitted the job for startup.</p>
<div class="note" id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_note165672261718"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p162860248590">You can configure execution users only after you <span id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_text199891646175014">apply for the whitelist membership</span>. To enable it, contact <span id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_text16120155010504">customer service or technical support</span>.</p>
</div></div>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_row1241410054511"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p11415100184515">Job Agency</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p69698248561">This parameter is available when <strong id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_b96086313490">Scheduling Identities</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_b126097334914">Yes</strong>. </p>
<p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p1641520184510">After an agency is configured, the job interacts with other services as an agency during job execution.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_row1657451284"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p1961175381">Priority</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p865251818">Priority configured during job creation is automatically matched. This parameter value can be modified.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_row3112384478"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p4121938174720">Execution Timeout</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p512163844715">Timeout of the job instance. If this parameter is set to 0 or is not set, this parameter does not take effect. If the notification function is enabled for the job and the execution time of the job instance exceeds the preset value, the system sends a specified notification, and the job keeps running.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_row106615555311"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p3662195512316">Exclude Waiting Time from Instance Timeout Duration</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p13324175911811">Whether to exclude the wait time from the instance execution timeout duration</p>
<p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p46621055834">If you select this option, the time to wait before an instance starts running is excluded from the timeout duration. You can modify this setting in <a href="dataartsstudio_01_04501.html#dataartsstudio_01_04501__section14959925164217">Default Configuration &gt; Exclude Waiting Time from Instance Timeout Duration</a>.</p>
<p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p11770154612810">If you do not select this option, the time to wait before an instance starts running is included in the timeout duration.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_row2671951686"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p107116520814">Custom Parameter</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_en-us_topic_0099797007_p17761952813">Set the name and value of the parameter.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_row187556312426"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p4756143154216">Job Tag</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p475617310426">Configure job tags to manage jobs by category.</p>
<p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p2488449194213">Click <span class="uicontrol" id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_uicontrol45900149432"><b>Add</b></span> to add a tag to the job. You can also select a tag configured in <a href="dataartsstudio_01_0532.html">Managing Job Tags</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_row76106341013"><td class="cellrowborder" valign="top" width="16.3%" headers="mcps1.3.3.2.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p46101833102">Job Description</p>
</td>
<td class="cellrowborder" valign="top" width="83.7%" headers="mcps1.3.3.2.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001423148402_en-us_topic_0181491854_p18610836104">Description of the job</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="dataartsstudio_01_1824__section323143319514"><h4 class="sectiontitle">Configuring Job Parameters</h4><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p174671056182519">Click <span class="wintitle" id="dataartsstudio_01_1824__en-us_topic_0000001647814241_wintitle13329182281714"><b>Parameters</b></span> on the right of the editor and set the parameters described in <a href="#dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_table20701161192718">Table 4</a>.</p>
<div class="tablenoborder"><a name="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_table20701161192718"></a><a name="en-us_topic_0000001647814241_en-us_topic_0099797007_table20701161192718"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_table20701161192718" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Job parameters</caption><thead align="left"><tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row4717717274"><th align="left" class="cellrowborder" valign="top" width="16.76%" id="mcps1.3.4.3.2.3.1.1"><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p147221618278">Function</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="83.24000000000001%" id="mcps1.3.4.3.2.3.1.2"><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p10726141162720">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row1296517379302"><td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.4.3.2.3.1.1 mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p1397534033012"><strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b16516394276">Variables</strong></p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row17309182714"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p473391192713">Add</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p273671112719">Click <span class="uicontrol" id="dataartsstudio_01_1824__en-us_topic_0000001647814241_uicontrol127641392817"><b>Add</b></span> and enter the variable parameter name and parameter value in the text boxes.</p>
<ul id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_ul187409117279"><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_li2743151172718">Parameter name<p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p1674851162719"><a name="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_li2743151172718"></a><a name="en-us_topic_0000001647814241_en-us_topic_0099797007_li2743151172718"></a>Only letters, numbers, periods (.), hyphens (-), and underscores (_) are allowed.</p>
</li><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_li12762111142715">Parameter value<ul id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_ul157660122715"><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_li377818182715">The string type of parameter value is a character string, for example, <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b17946152352910">str1</strong>.</li><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_li678810112717">The numeric type of parameter value is a number or operation expression.</li></ul>
</li></ul>
<p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p17940172714">After the parameter is configured, it is referenced in the format of <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b11245112962910">$</strong>{<em id="dataartsstudio_01_1824__en-us_topic_0000001647814241_i10246129192915">parameter name</em>} in the job.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row1555413219271"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p344181110812">Edit Parameter Expression</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p15901729135419">Click <span><img id="dataartsstudio_01_1824__en-us_topic_0000001647814241_image47411049125410" src="en-us_image_0000002234237164.png"></span> next to the parameter value text box. In the displayed dialog box, edit the parameter expression. For more expressions, see <a href="dataartsstudio_01_0494.html">Expression Overview</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row158016117275"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p1480620116278">Modify</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p68115114273">Change the parameter name or value in the corresponding text boxes.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row1221191403315"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p3211514153312">Mask</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p92111914193315">If the parameter value is a key, click <span><img id="dataartsstudio_01_1824__en-us_topic_0000001647814241_image168804391333" src="en-us_image_0000002234077316.png"></span> to mask the value for security purposes.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row5824415277"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p12828171202719">Delete</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p28314112712">Click <span><img id="dataartsstudio_01_1824__en-us_topic_0000001647814241_image1742175211346" src="en-us_image_0000002269116521.png"></span> next to the parameter name and value text boxes to delete the job parameter.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row12548195220309"><td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.4.3.2.3.1.1 mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p1159195517308"><strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b7991830143212">Constant Parameter</strong></p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row16650721143114"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p1458714273120">Add</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p2587142113113">Click <span class="uicontrol" id="dataartsstudio_01_1824__en-us_topic_0000001647814241_uicontrol7582143817321"><b>Add</b></span> and enter the constant parameter name and parameter value in the text boxes.</p>
<ul id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_ul16587642103115"><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_en-us_topic_0099797007_li2743151172718">Parameter name<p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_en-us_topic_0099797007_p1674851162719"><a name="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_en-us_topic_0099797007_li2743151172718"></a><a name="en-us_topic_0000001647814241_en-us_topic_0099797007_en-us_topic_0099797007_li2743151172718"></a>Only letters, numbers, periods (.), hyphens (-), and underscores (_) are allowed.</p>
</li><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_en-us_topic_0099797007_li12762111142715">Parameter value<ul id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_en-us_topic_0099797007_ul157660122715"><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_en-us_topic_0099797007_li377818182715">The string type of parameter value is a character string, for example, <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b1058422415299">str1</strong>.</li><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_en-us_topic_0099797007_li678810112717">The numeric type of parameter value is a number or operation expression.</li></ul>
</li></ul>
<p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p258818427319">After the parameter is configured, it is referenced in the format of <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b108961329152912">$</strong>{<em id="dataartsstudio_01_1824__en-us_topic_0000001647814241_i78961629112917">parameter name</em>} in the job.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row2891034963"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p1955432162717">Edit Parameter Expression</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p1028171911810">Click <span><img id="dataartsstudio_01_1824__en-us_topic_0000001647814241_image82811915819" src="en-us_image_0000002269116529.png"></span> next to the parameter value text box. In the displayed dialog box, edit the parameter expression. For more expressions, see <a href="dataartsstudio_01_0494.html">Expression Overview</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row11706164053115"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p658864203114">Modify</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p2588144211314">Modify the parameter name and parameter value in text boxes and save the modifications.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_row14421933193118"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.3.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p18589164217318">Delete</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_en-us_topic_0099797007_p75897428311">Click <span><img id="dataartsstudio_01_1824__en-us_topic_0000001647814241_image6758230103520" src="en-us_image_0000002269196601.png"></span> next to the parameter name and value text boxes to delete the job parameter.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row10161330171213"><td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.4.3.2.3.1.1 mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p111481853131015"><strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b829120313172">Workspace Environment Variables</strong></p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row1873317332121"><td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.4.3.2.3.1.1 mcps1.3.4.3.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p1510627151118">View the variables and constants that have been configured in the workspace.</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p1323193822219">Click the <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b066019385331">Parameter Preview</strong> tab and configure the parameters listed in <a href="#dataartsstudio_01_1824__en-us_topic_0000001647814241_table1036167182419">Table 5</a>.</p>
<div class="tablenoborder"><a name="dataartsstudio_01_1824__en-us_topic_0000001647814241_table1036167182419"></a><a name="en-us_topic_0000001647814241_table1036167182419"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_1824__en-us_topic_0000001647814241_table1036167182419" frame="border" border="1" rules="all"><caption><b>Table 5 </b>Job parameter preview</caption><thead align="left"><tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row1361575245"><th align="left" class="cellrowborder" valign="top" width="16.76%" id="mcps1.3.4.5.2.3.1.1"><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p536116710241">Function</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="83.24000000000001%" id="mcps1.3.4.5.2.3.1.2"><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p43615712411">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row1361579243"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.5.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p118286375340">Current Time</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.5.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p182913378348">This parameter is displayed only when <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b134791011342">Scheduling Type</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b1447201020349">Run once</strong>. The default value is the current time.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row19342175682920"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.5.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p121931610313">Event Triggering Time</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.5.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p19494849103117">This parameter is displayed only when <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b105112171349">Scheduling Type</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b13511191703419">Event-based</strong>. The default value is the time when an event is triggered.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row19620193410346"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.5.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p146621315163213">Scheduling Period</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.5.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p34114314322">This parameter is displayed only when <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b12767165983413">Scheduling Type</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b476745913419">Run periodically</strong>. The default value is the scheduling period.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row225551163510"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.5.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p154874171013">Start Time</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.5.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p2487141712110">This parameter is displayed only when <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b144671133516">Scheduling Type</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b124671314354">Run periodically</strong>. The value is the configured job execution time.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row782465317297"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.5.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p2608142318120">Start Time</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.5.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p1660832310117">This parameter is displayed only when <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b247019119359">Scheduling Type</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b1547013163518">Run periodically</strong>. The value is the time when the periodic job scheduling starts.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1824__en-us_topic_0000001647814241_row736211772414"><td class="cellrowborder" valign="top" width="16.76%" headers="mcps1.3.4.5.2.3.1.1 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p133627752411">Subsequent Instances</p>
</td>
<td class="cellrowborder" valign="top" width="83.24000000000001%" headers="mcps1.3.4.5.2.3.1.2 "><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p11718104211298">Number of job instances scheduled.</p>
<ul id="dataartsstudio_01_1824__en-us_topic_0000001647814241_ul16464763019"><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_li1424718304">The default value is <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b736112517351">1</strong> when <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b14361152513511">Scheduling Type</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b3362325173512">Run once</strong>.</li><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_li1443315333013">The default value is <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b1033827163514">1</strong> when <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b1344275354">Scheduling Type</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b1334427183515">Event-based</strong>.</li><li id="dataartsstudio_01_1824__en-us_topic_0000001647814241_li132701419133312">When <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b1714110297355">Scheduling Type</strong> is set to <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b1914152983511">Run periodically</strong>:<p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p1820013301358">If the number of instances exceeds 10, a maximum of 10 instances can be displayed, and the system displays message "A maximum of 10 instances are supported."</p>
</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
<div class="note" id="dataartsstudio_01_1824__en-us_topic_0000001647814241_note7110121213913"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p081333017438">In <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b19839103353511">Parameter Preview</strong>, if a job parameter has a syntax error, the system displays a message.</p>
<p id="dataartsstudio_01_1824__en-us_topic_0000001647814241_p111019128395">If a parameter depends on the data generated during job execution, such data cannot be simulated and displayed in <strong id="dataartsstudio_01_1824__en-us_topic_0000001647814241_b114164365353">Parameter Preview</strong>.</p>
</div></div>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dataartsstudio_01_0431.html">Job Development</a></div>
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