doc-exports/docs/dms/umn/kafka-ug-00001.html

<a name="kafka-ug-00001"></a><a name="kafka-ug-00001"></a>

<h1 class="topictitle1">Change History</h1>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="kafka-ug-00001__table5936080510555" frame="border" border="1" rules="all"><thead align="left"><tr id="kafka-ug-00001__row3310174410555"><th align="left" class="cellrowborder" valign="top" width="19.21%" id="mcps1.3.1.1.3.1.1"><p id="kafka-ug-00001__p6399558810555">Released On</p>
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<th align="left" class="cellrowborder" valign="top" width="80.78999999999999%" id="mcps1.3.1.1.3.1.2"><p id="kafka-ug-00001__p1626013310555">What's New</p>
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<tbody><tr id="kafka-ug-00001__row15574102917320"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p557413299317">2022-10-30</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p17574132916313">This release incorporates the following changes:</p>
<ul id="kafka-ug-00001__ul1555194911317"><li id="kafka-ug-00001__li395251218503">Removed support for normal queues.</li><li id="kafka-ug-00001__li28411381200">Added description about Kafka v2.7, automatic topic creation, and disk encryption in section <a href="dms-ug-180604013.html">Creating an Instance</a>.</li><li id="kafka-ug-00001__li7555549934">Added two methods for connecting to a Kafka instance: <a href="kafka-ug-0001.html">Cross-VPC Access to a Kafka Instance</a> and <a href="kafka-dnat.html">Using DNAT to Access a Kafka Instance</a>.</li><li id="kafka-ug-00001__li411493813317">Added description about how to modify topic parameters, export topics, and view sample code for connecting to instances. Related sections are <a href="kafka-ug-200506001.html">Modifying Topic Aging Time</a>, <a href="kafka-ug-0006.html">Changing Partition Quantity</a>, <a href="kafka_ug_0022.html">Modifying Synchronous Replication and Flushing Settings</a>, <a href="kafka_ug_0027.html">Exporting Topics</a>, and <a href="kafka_ug_0024.html">Viewing Sample Code</a>.</li><li id="kafka-ug-00001__li149041024653">Added description about user management in sections <a href="kafka-ug-0003.html">Creating a SASL_SSL User</a>, <a href="kafka-ug-0002.html">Granting Permissions to a SASL_SSL User</a>, <a href="kafka_ug_0025.html">Resetting the SASL_SSL Password</a>, and <a href="kafka_ug_0026.html">Deleting a SASL_SSL User</a>.</li><li id="kafka-ug-00001__li1773944514617">Added description about consumer group management in sections <a href="kafka_ug_0021.html">Querying Consumer Group Details</a>, <a href="kafka-ug-0012.html">Deleting a Consumer Group</a>, <a href="kafka-ug-0014.html">Resetting the Consumer Offset</a>, and <a href="kafka-ug-0015.html">Viewing Consumer Connection Addresses</a>.</li><li id="kafka-ug-00001__li77461325592">Added description about how to modify configuration parameters in section <a href="kafka-ug-0007.html">Modifying Kafka Parameters</a>.</li><li id="kafka-ug-00001__li3178121485817">Added description about tags in sections <a href="dms-ug-180604013.html">Creating an Instance</a>, <a href="kafka-ug-180604014.html">Viewing an Instance</a>, and <a href="TagManagement.html">Managing Instance Tags</a>.</li><li id="kafka-ug-00001__li2497618125917">Added <a href="kafka-faq-191030002.html">Instances</a>, <a href="kafka-faq-191030001.html">Connections</a>, <a href="kafka-faq-191030003.html">Topics and Partitions</a>, <a href="kafka-faq-200423001.html">Consumer Groups</a>, <a href="kafka-faq-190416001.html">Messages</a>, and <a href="kafka-faq-191030004.html">Monitoring &amp; Alarm</a> to FAQs.</li></ul>
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<tr id="kafka-ug-00001__row79111887134"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p79131582132">2020-08-11</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p891318818132">This release incorporates the following changes:</p>
<ul id="kafka-ug-00001__ul14535161781619"><li id="kafka-ug-00001__li14536201710160">Added the description that the public access setting can be changed only when the instance is in the <strong id="kafka-ug-00001__b1224121414530">Running</strong> state in section <a href="kafka-ug-0319001.html">Configuring Public Access</a>.</li><li id="kafka-ug-00001__li1310118571187">Modified the value range of public network bandwidth in section <a href="kafka-ug-0319001.html">Configuring Public Access</a>.</li><li id="kafka-ug-00001__li3493122152319">Added the method of downloading the <strong id="kafka-ug-00001__b171331028105313">client.truststore.jks</strong> certificate on the console and the description of the path of the <strong id="kafka-ug-00001__b213420285539">client.truststore.jks</strong> certificate in section <a href="kafka-ug-180801001.html">Accessing a Kafka Instance with SASL</a>.</li><li id="kafka-ug-00001__li8575131211336">Modified the GUI strings for deleting instances that fail to be created in section <a href="kafka-ug-180604016.html">Deleting an Instance</a>.</li><li id="kafka-ug-00001__li51741124153415">Added the description that instances that fail to be created do not occupy resources in sections <a href="kafka-ug-180604016.html">Deleting an Instance</a> and <a href="dms-ug-180604013.html">Creating an Instance</a>.</li></ul>
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<tr id="kafka-ug-00001__row18476472338"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p134934723317">2020-07-29</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p049184717338">This release incorporates the following changes:</p>
<ul id="kafka-ug-00001__ul177391716123416"><li id="kafka-ug-00001__li774051618344">Added the description that public access is not supported when the instance specification is 100 MB/s in section <a href="dms-ug-180604013.html">Creating an Instance</a>.</li><li id="kafka-ug-00001__li1554381610359">Deleted the description about public network bandwidth being 100 MB/s in section <a href="kafka-ug-0319001.html">Configuring Public Access</a>.</li></ul>
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<tr id="kafka-ug-00001__row233414562214"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p63358520221">2020-02-20</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p53353522218">This release incorporates the following changes:</p>
<ul id="kafka-ug-00001__ul241661712267"><li id="kafka-ug-00001__li15416151752611">Added restrictions on the maximum number of instances that can have public access enabled in section <a href="dms-ug-180604013.html">Creating an Instance</a>.</li><li id="kafka-ug-00001__li1538624918279">Modified the time required for creating a Kafka instance in section <a href="dms-ug-180604013.html">Creating an Instance</a>.</li><li id="kafka-ug-00001__li396315246419">Added description about the instance ports for intra-VPC access and public access and updated figures for obtaining instance access addresses in sections <a href="kafka-ug-180604020.html">Accessing a Kafka Instance Without SASL</a> and <a href="kafka-ug-180801001.html">Accessing a Kafka Instance with SASL</a>.</li><li id="kafka-ug-00001__li141422299325">Added statuses when public access is being changed or fails to be changed in section <a href="kafka-ug-180604014.html">Viewing an Instance</a>.</li><li id="kafka-ug-00001__li9297102274215">Added description about modifying the capacity threshold policy in section <a href="kafka-ug-180604017.html">Modifying the Information About an Instance</a>.</li><li id="kafka-ug-00001__li04891147193414">Added description about enabling public access, disabling public access, and modifying public network bandwidth, and added a note that the public access address will change after re-enabling public access in section <a href="kafka-ug-0319001.html">Configuring Public Access</a>.</li><li id="kafka-ug-00001__li11372191044416">Added <a href="kafka-ug-200119002.html">Viewing Background Tasks</a>.</li><li id="kafka-ug-00001__li114381158841">Added description about detailed operations of setting alarm rules in section "Configuring Alarm Rules".</li><li id="kafka-ug-00001__li595311181427">Removed some Kafka operations that are not supported by CTS in section <a href="kafka-ug-180418002.html">Operations Logged by CTS</a>.</li><li id="kafka-ug-00001__li31476579209">Added <a href="kafka-faq-200426005.html">How Do I Select Storage Space for a Kafka Instance?</a>.</li><li id="kafka-ug-00001__li586593313614">Upgraded Kafka premium compatibility from Kafka 2.3.0 to 2.3.1.</li></ul>
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<tr id="kafka-ug-00001__row6648122633416"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p1978933018344">2019-12-16</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p829261784616">Accepted for RM-2128.</p>
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<tr id="kafka-ug-00001__row2397155916425"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p8398759104211">2019-11-30</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p1850171314310">This release incorporates the following changes:</p>
<ul id="kafka-ug-00001__ul101811252184312"><li id="kafka-ug-00001__li101814529434">Optimized description about Kafka premium instances in section <a href="kafka-pd-190605001.html">What Is DMS?</a>.</li><li id="kafka-ug-00001__li20182652124318">Added description about DMS functions in section "Functions".</li><li id="kafka-ug-00001__li121821652184318">Added description about the differences between Kafka queues and Kafka premium instances in section "Comparing Kafka Queues and Kafka Premium Instances".</li><li id="kafka-ug-00001__li1618215527434">Added description about the specifications of Kafka queues and Kafka premium instances in section <a href="Kafka-specification.html">Specifications</a>.</li><li id="kafka-ug-00001__li718265234310">Added explanation of the relationship between Kafka premium instances and VPCs in section <a href="kafka-pd-190605002.html">Related Services</a>.</li><li id="kafka-ug-00001__li1918245234315">Optimized description about DMS queues and added description about Kafka premium instances in section <a href="glossary-kafka.html">Basic Concepts</a>.</li><li id="kafka-ug-00001__li171826523436">Added recommendations on Kafka client configurations in section <a href="dms-ug-001.html">Best Practices</a>.</li><li id="kafka-ug-00001__li17182135224318">Removed the <strong id="kafka-ug-00001__b185471440205618">Region</strong> parameter in section "Creating a Queue".</li><li id="kafka-ug-00001__li4182552194314">Optimized description about queue policy parameters in section "Managing Queue Policies".</li><li id="kafka-ug-00001__li13182175220435">Optimized description about Kafka premium instance operations and parameters in chapter "Managing Kafka Premium Instances".</li><li id="kafka-ug-00001__li14182152164314">Optimized description about DMS metrics in section <a href="dms-ug-180413002.html">Kafka Metrics</a>.</li><li id="kafka-ug-00001__li15183352184317">Added description about Kafka premium instance operations supported by CTS in section <a href="kafka-ug-180418002.html">Operations Logged by CTS</a>.</li></ul>
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<tr id="kafka-ug-00001__row1248368132511"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p9483208112517">2019-11-08</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p248434111817">This release incorporates the following changes:</p>
<ul id="kafka-ug-00001__ul10908152122316"><li id="kafka-ug-00001__li10759757192618">Added description about Kafka premium instances in section <a href="kafka-pd-190605001.html">What Is DMS?</a>.</li><li id="kafka-ug-00001__li29081252152311">Added sections describing Kafka premium features and instance management.</li><li id="kafka-ug-00001__li13908252182314">Added the following Kafka premium instance FAQs: <a href="kafka-faq-200426019.html">Do Kafka Instances Support Cross-VPC Access?</a>, <a href="kafka-faq-200426020.html">Do Kafka Instances Support Cross-Subnet Access?</a>, <a href="kafka-faq-180604024.html">How Do I Select and Configure a Security Group?</a>, <a href="kafka-faq-200426003.html">Why Can't I View the Subnet and Security Group Information When Creating a DMS Instance?</a>, and DMS password requirements.</li></ul>
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<tr id="kafka-ug-00001__row1664418551267"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p15917217103216">2018-11-07</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p1253273716413">Accepted in OTC 3.2.</p>
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<tr id="kafka-ug-00001__row5620191614563"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p18620191618565">2018-05-25</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p9817181475819">Accepted in OTC 3.1.</p>
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<tr id="kafka-ug-00001__row74261557670"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p1642615571577">2018-04-28</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p881192913232">Added the following content:</p>
<ul id="kafka-ug-00001__ul152340101506"><li id="kafka-ug-00001__li17132154093620">Added the queue tag function.</li><li id="kafka-ug-00001__li15374165562417">Added chapters <a href="kafka-ug-180413001.html">Monitoring</a> and <a href="kafka-ug-180418001.html">Auditing</a>.</li></ul>
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<tr id="kafka-ug-00001__row1355374682113"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p10553246182119">2018-04-03</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p55541146162110">Added the following content:</p>
<ul id="kafka-ug-00001__ul139942233226"><li id="kafka-ug-00001__li129951323142220">Added queue policy description in section "Managing Queue Policies".</li></ul>
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<tr id="kafka-ug-00001__row1027013170487"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p6270191712486">2018-01-19</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p1956765819236">Modified the following content:</p>
<ul id="kafka-ug-00001__ul56152108522"><li id="kafka-ug-00001__li116151610135217">Added the support for Kafka queues.</li></ul>
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<tr id="kafka-ug-00001__row732819193317"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p133291419103118">2017-12-05</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p1433041918313">Modified the following content:</p>
<ul id="kafka-ug-00001__ul488364833819"><li id="kafka-ug-00001__li88831748123819">Modified the description of some steps based on DMS console UI 3.0.</li></ul>
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<tr id="kafka-ug-00001__row6129951203615"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p18162111103714">2017-10-25</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p24832485111252">Modified the following content:</p>
<ul id="kafka-ug-00001__ul580084911135"><li id="kafka-ug-00001__li529712511135">Updated description in section <a href="kafka-pd-190605002.html">Related Services</a>.</li></ul>
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<tr id="kafka-ug-00001__row422292313369"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p117091136183614">2017-07-28</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p26026739111340">Modified the following content:</p>
<ul id="kafka-ug-00001__ul197099367365"><li id="kafka-ug-00001__li1670943623613">Provided support for FIFO queues.</li><li id="kafka-ug-00001__li47096368361">Provided support for dead letter queues.</li><li id="kafka-ug-00001__li13709936163616">Added two dead letter message monitoring metrics to Cloud Eye.</li><li id="kafka-ug-00001__li8987187121810">Added section <a href="glossary-kafka.html">Basic Concepts</a>.</li><li id="kafka-ug-00001__li172953551177">Added the step of selecting a region and a project.</li></ul>
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<tr id="kafka-ug-00001__row1786943571316"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p1086915355133">2017-03-30</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p29870440111113">Modified the following content:</p>
<ul id="kafka-ug-00001__ul07828416140"><li id="kafka-ug-00001__li1778210471414">In section "Retrieving Messages", changed <span class="uicontrol" id="kafka-ug-00001__uicontrol1477121914156"><b>Consume Interval</b></span> to <span class="uicontrol" id="kafka-ug-00001__uicontrol277919121515"><b>Queue Polling Interval</b></span>.</li><li id="kafka-ug-00001__li2179175071818">In section "Retrieving Messages", changed <span class="uicontrol" id="kafka-ug-00001__uicontrol1477151981511"><b>Consume Message</b></span> to <span class="uicontrol" id="kafka-ug-00001__uicontrol97741911516"><b>Retrieve Message</b></span>.</li></ul>
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<tr id="kafka-ug-00001__row5547324120529"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p6414751920529">2017-01-19</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p65822710111045">Modified the following content:</p>
<ul id="kafka-ug-00001__ul13667136205617"><li id="kafka-ug-00001__li41477201205617">In sections <a href="kafka-ug-00001.html">Change History</a> and "Functions", added description about how multiple consumer groups retrieve messages.</li><li id="kafka-ug-00001__li035104720175">In section <a href="kafka-ug-00001.html">Change History</a>, revised description about attribute names.</li><li id="kafka-ug-00001__li19571197115810">In section "Creating a Queue", added description about queue quota.</li><li id="kafka-ug-00001__li1024511712180">In section <a href="kafka-ug-00001.html">Change History</a>, added description about attribute names.</li><li id="kafka-ug-00001__li151002022593">In section "Retrieving Messages", changed <span class="parmname" id="kafka-ug-00001__parmname58218195157"><b>Message Count</b></span> to <span class="parmname" id="kafka-ug-00001__parmname88231910150"><b>Max. Message Count</b></span>.</li></ul>
<ul id="kafka-ug-00001__ul399994595911"><li id="kafka-ug-00001__li265019201302">In section "Retrieving Messages", revised description about message retrieval.</li></ul>
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<tr id="kafka-ug-00001__row07827969"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p188013712620">2017-01-13</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p51120012111026">Modified the following content:</p>
<ul id="kafka-ug-00001__ul5510486904342"><li id="kafka-ug-00001__li1337346304342">In section <a href="kafka-ug-00001.html">Change History</a>, revised description about queues and messages.</li><li id="kafka-ug-00001__li3201124804342">In section <a href="kafka-ug-00001.html">Change History</a>, revised the figure "Distribution of messages from a queue".</li><li id="kafka-ug-00001__li5448932904342">Deleted redundant information.</li></ul>
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<tr id="kafka-ug-00001__row3529000115138"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p3991780715138">2017-01-09</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p20157102111017">Modified the following content:</p>
<ul id="kafka-ug-00001__ul4970348815423"><li id="kafka-ug-00001__li4517694915423">In section <a href="kafka-ug-00001.html">Change History</a>, added description about message creation results.</li><li id="kafka-ug-00001__li5322215515423">Added section "Why Do Consumers Need to Acknowledge Messages?".</li></ul>
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<tr id="kafka-ug-00001__row420036410555"><td class="cellrowborder" valign="top" width="19.21%" headers="mcps1.3.1.1.3.1.1 "><p id="kafka-ug-00001__p468518910555">2016-12-19</p>
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<td class="cellrowborder" valign="top" width="80.78999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="kafka-ug-00001__p4395602710555">This issue is the first official release.</p>
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