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Yang, Tong
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
68 lines
9.3 KiB
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68 lines
9.3 KiB
HTML
<a name="alm_44004"></a><a name="alm_44004"></a>
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<h1 class="topictitle1">ALM-44004 Presto Coordinator Resource Group Queuing Tasks Exceed the Threshold</h1>
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<div id="body8662426"><div class="section" id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_section43920869"><h4 class="sectiontitle">Description</h4><p id="alm_44004__en-us_topic_0226447372_p15857161803617">This alarm is generated when the system detects that the number of queuing tasks in a resource group exceeds the threshold. The system queries the number of queuing tasks in a resource group through the JMX interface. You can choose <strong id="alm_44004__b133089962633410">Components</strong> > <strong id="alm_44004__b16022465533410">Presto</strong> > <strong id="alm_44004__b170834968433410">Service Configuration</strong> (switch <strong id="alm_44004__b56305652833410">Basic</strong> to <strong id="alm_44004__b190167236933410">All</strong>) > <strong id="alm_44004__b50480044033410">Presto</strong> > <strong id="alm_44004__b163560536633410">resource-groups</strong> to configure a resource group. You can choose <strong id="alm_44004__b34520403033410">Components</strong> > <strong id="alm_44004__b533640433410">Presto</strong> > <strong id="alm_44004__b12278856333410">Service Configuration</strong> (switch <strong id="alm_44004__b210410350333410">Basic</strong> to <strong id="alm_44004__b191883732133410">All</strong>) > <strong id="alm_44004__b204576220333410">Coordinator</strong> > <strong id="alm_44004__b191910719133410">Customize</strong> > <strong id="alm_44004__b159742671833410">resourceGroupAlarm</strong> to configure the threshold of each resource group.</p>
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</div>
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<div class="section" id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_section59743502"><h4 class="sectiontitle">Attribute</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_table64843092" frame="border" border="1" rules="all"><thead align="left"><tr id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_row10409628"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p37873528">Alarm ID</p>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.2"><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p47856888">Alarm Severity</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.3"><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p51202692">Auto Clear</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_row53777413"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p61003235">44004</p>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.2 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p42315013">Major</p>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.3 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p4964052">Yes</p>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_section820607"><h4 class="sectiontitle">Parameter</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_table66543927" frame="border" border="1" rules="all"><thead align="left"><tr id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_row61284534"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p65100236">Parameter</p>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.2"><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p38627770">Description</p>
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</thead>
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<tbody><tr id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_row41841705"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p33734977">ServiceName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p48178601">Service for which the alarm is generated.</p>
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<tr id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_row30954226"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p24264406">RoleName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p19259870">Role for which the alarm is generated.</p>
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<tr id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_row39121107"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p14693133">HostName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p49293152">Host for which the alarm is generated.</p>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_section7385465"><h4 class="sectiontitle">Impact on the System</h4><p id="alm_44004__en-us_topic_0226447372_p985618535426">If the number of queuing tasks in a resource group exceeds the threshold, a large number of tasks may be in the queuing state. The Presto task time exceeds the expected value. When the number of queuing tasks in a resource group exceeds the maximum number (<strong id="alm_44004__b3571042333410">maxQueued</strong>) of queuing tasks in the resource group, new tasks cannot be executed.</p>
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</div>
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<div class="section" id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_section66469189"><h4 class="sectiontitle">Possible Causes</h4><p id="alm_44004__en-us_topic_0226447372_p11409216322">The resource group configuration is improper or too many tasks in the resource group are submitted.</p>
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</div>
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<div class="section" id="alm_44004__en-us_topic_0226447372_section14111549283"><h4 class="sectiontitle">Procedure</h4><ol id="alm_44004__en-us_topic_0226447372_ol41220546282"><li id="alm_44004__en-us_topic_0226447372_li56192224411"><span>Choose <strong id="alm_44004__b44770492233410">Components</strong> > <strong id="alm_44004__b171099402833410">Presto</strong> > <strong id="alm_44004__b82884752733410">Service Configuration</strong> (switch <strong id="alm_44004__b147821373233410">Basic</strong> to <strong id="alm_44004__b96781555433410">All</strong>) > <strong id="alm_44004__b2510746533410">Presto</strong> > <strong id="alm_44004__b16343745233410">resource-groups</strong> to adjust the resource group configuration.</span></li><li id="alm_44004__en-us_topic_0226447372_li47751305175629"><span>You can choose <strong id="alm_44004__b165650054433410">Components</strong> > <strong id="alm_44004__b111162669733410">Presto</strong> > <strong id="alm_44004__b208832215933410">Service Configuration</strong> (switch <strong id="alm_44004__b69392410033410">Basic</strong> to <strong id="alm_44004__b71993839833410">All</strong>) > <strong id="alm_44004__b202846248133410">Coordinator</strong> > <strong id="alm_44004__b131777148633410">Customize</strong> > <strong id="alm_44004__b6848623433410">resourceGroupAlarm</strong> to modify the threshold of each resource group.</span></li><li id="alm_44004__en-us_topic_0226447372_li1783929114412"><span>Collect fault information.</span><p><ol type="a" id="alm_44004__en-us_topic_0226447372_ol718963894416"><li id="alm_44004__en-us_topic_0226447372_li7545195294413">Log in to the cluster node based on the host name in the fault information and query the number of queuing tasks based on <strong id="alm_44004__b146268004833410">Resource Group</strong> in the additional information on the Presto client.</li><li id="alm_44004__en-us_topic_0226447372_li15330173610441">Log in to the cluster node based on the host name in the fault information, view the <strong id="alm_44004__b169208797233410">/var/log/Bigdata/nodeagent/monitorlog/monitor.log</strong> file, and search for resource group information to view the monitoring collection information of the resource group.</li><li id="alm_44004__li18574327401">Contact technical support engineers for help. For details, see <a href="https://docs.otc.t-systems.com/en-us/public/learnmore.html" target="_blank" rel="noopener noreferrer">technical support</a>.</li></ol>
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</p></li></ol>
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</div>
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<div class="section" id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_section15295265"><h4 class="sectiontitle">Reference</h4><p id="alm_44004__en-us_topic_0226447372_en-us_topic_0087039425_p7510612">None</p>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_0241.html">Alarm Reference (Applicable to Versions Earlier Than MRS 3.x)</a></div>
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</div>
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