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doc-exports/docs/mrs/component-operation-guide-lts/mrs_01_24024.html
Yang, Tong 48706b7552 MRS COMP-LTS 320-lts.1 version 
Reviewed-by: Kacur, Michal <michal.kacur@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2024-04-12 12:51:10 +00:00

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<a name="mrs_01_24024"></a><a name="mrs_01_24024"></a>
<h1 class="topictitle1">Managing Jobs on the Flink Web UI</h1>
<div id="body32001227"><div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_s9f93d0a70cdc4575b48c96902a562dfe"><h4 class="sectiontitle">Scenario</h4><p id="mrs_01_24024__en-us_topic_0000001173470782_p7684161264218">Define Flink jobs, including Flink SQL and Flink JAR jobs.</p>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section1746418521537"><a name="mrs_01_24024__en-us_topic_0000001173470782_section1746418521537"></a><a name="en-us_topic_0000001173470782_section1746418521537"></a><h4 class="sectiontitle">Creating a Job</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol10782141514100"><li id="mrs_01_24024__en-us_topic_0000001173470782_li17782181511106"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li63513497107"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b5544194913395">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li1090586142519"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b0111303449">Create Job</strong>. On the displayed job creation page, set parameters by referring to <a href="#mrs_01_24024__en-us_topic_0000001173470782_table25451917135812">Table 1</a> and click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1527129104511">OK</strong>. The job development page is displayed.</span><p>
<div class="tablenoborder"><a name="mrs_01_24024__en-us_topic_0000001173470782_table25451917135812"></a><a name="en-us_topic_0000001173470782_table25451917135812"></a><table cellpadding="4" cellspacing="0" summary="" id="mrs_01_24024__en-us_topic_0000001173470782_table25451917135812" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for creating a job</caption><thead align="left"><tr id="mrs_01_24024__en-us_topic_0000001173470782_row15452172582"><th align="left" class="cellrowborder" valign="top" width="26.229999999999997%" id="mcps1.3.2.2.3.2.1.2.3.1.1"><p id="mrs_01_24024__en-us_topic_0000001173470782_p1654518179581">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="73.77%" id="mcps1.3.2.2.3.2.1.2.3.1.2"><p id="mrs_01_24024__en-us_topic_0000001173470782_p1854616178589">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="mrs_01_24024__en-us_topic_0000001173470782_row05461617175810"><td class="cellrowborder" valign="top" width="26.229999999999997%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p10546191715819">Type</p>
</td>
<td class="cellrowborder" valign="top" width="73.77%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p19546121765818">Job type, which can be <strong id="mrs_01_24024__en-us_topic_0000001173470782_b52171845174817">Flink SQL</strong> or <strong id="mrs_01_24024__en-us_topic_0000001173470782_b22365487484">Flink Jar</strong>.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row18546117135812"><td class="cellrowborder" valign="top" width="26.229999999999997%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1354661719588">Name</p>
</td>
<td class="cellrowborder" valign="top" width="73.77%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p135461017125815">Job name, which can contain a maximum of 64 characters. Only letters, digits, and underscores (_) are allowed.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row0546111775820"><td class="cellrowborder" valign="top" width="26.229999999999997%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p20546161735819">Task Type</p>
</td>
<td class="cellrowborder" valign="top" width="73.77%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p55461817175811">Type of the job data source, which can be a stream job or a batch job.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row9546171710585"><td class="cellrowborder" valign="top" width="26.229999999999997%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p654615172587">Description</p>
</td>
<td class="cellrowborder" valign="top" width="73.77%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p654681775813">Job description, which can contain a maximum of 100 characters.</p>
</td>
</tr>
</tbody>
</table>
</div>
</p></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li3175133444316"><a name="mrs_01_24024__en-us_topic_0000001173470782_li3175133444316"></a><a name="en-us_topic_0000001173470782_li3175133444316"></a><span>(Optional) If you need to develop a job immediately, configure the job on the job development page.</span><p><ul id="mrs_01_24024__en-us_topic_0000001173470782_ul175444414345"><li id="mrs_01_24024__en-us_topic_0000001173470782_li1375424453411"><a name="mrs_01_24024__en-us_topic_0000001173470782_li1375424453411"></a><a name="en-us_topic_0000001173470782_li1375424453411"></a>Creating a Flink SQL job<ol type="a" id="mrs_01_24024__en-us_topic_0000001173470782_ol4292195603310"><li id="mrs_01_24024__en-us_topic_0000001173470782_li1928995603314">Develop the job on the job development page.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li1328915611333">Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b880175115312">Check Semantic</strong> to check the input content and click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b31149250413">Format SQL</strong> to format SQL statements.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li1529205610335">After the job SQL statements are developed, set running parameters by referring to <a href="#mrs_01_24024__en-us_topic_0000001173470782_table4292165617332">Table 2</a> and click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b7156975719">Save</strong>.
<div class="tablenoborder"><a name="mrs_01_24024__en-us_topic_0000001173470782_table4292165617332"></a><a name="en-us_topic_0000001173470782_table4292165617332"></a><table cellpadding="4" cellspacing="0" summary="" id="mrs_01_24024__en-us_topic_0000001173470782_table4292165617332" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Running parameters</caption><thead align="left"><tr id="mrs_01_24024__en-us_topic_0000001173470782_row1028955610338"><th align="left" class="cellrowborder" valign="top" width="27.029999999999998%" id="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.1"><p id="mrs_01_24024__en-us_topic_0000001173470782_p12289956183311">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="72.97%" id="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.2"><p id="mrs_01_24024__en-us_topic_0000001173470782_p5289856193319">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="mrs_01_24024__en-us_topic_0000001173470782_row11290115616338"><td class="cellrowborder" valign="top" width="27.029999999999998%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p32898569334">Parallelism</p>
</td>
<td class="cellrowborder" valign="top" width="72.97%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1129013566339">Number of concurrent jobs. The value must be a positive integer containing a maximum of 64 characters.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row102909563339"><td class="cellrowborder" valign="top" width="27.029999999999998%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1329065611335">Maximum Operator Parallelism</p>
</td>
<td class="cellrowborder" valign="top" width="72.97%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p19290105643318">Maximum parallelism of operators. The value must be a positive integer containing a maximum of 64 characters.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row1729015623313"><td class="cellrowborder" valign="top" width="27.029999999999998%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1729065616331">JobManager Memory (MB)</p>
</td>
<td class="cellrowborder" valign="top" width="72.97%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p13290185623317">Memory of JobManager The minimum value is <strong id="mrs_01_24024__en-us_topic_0000001173470782_b134415213166">512</strong> and the value can contain a maximum of 64 characters.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row429095673317"><td class="cellrowborder" valign="top" width="27.029999999999998%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p52901056143312">Submit Queue</p>
</td>
<td class="cellrowborder" valign="top" width="72.97%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p12290056163315">Queue to which a job is submitted. If this parameter is not set, the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b15758207195017">default</strong> queue is used. The queue name can contain a maximum of 30 characters. Only letters, digits, and underscores (_) are allowed.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row1029115643313"><td class="cellrowborder" valign="top" width="27.029999999999998%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p13290145616336">taskManager</p>
</td>
<td class="cellrowborder" valign="top" width="72.97%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1429105683317">taskManager running parameters include:</p>
<ul id="mrs_01_24024__en-us_topic_0000001173470782_ul12913561332"><li id="mrs_01_24024__en-us_topic_0000001173470782_li1729155614336"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b1778182463519">Slots</strong>: If this parameter is left blank, the default value <strong id="mrs_01_24024__en-us_topic_0000001173470782_b198322433512">1</strong> is used.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li10291115610333"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b14315582157">Memory (MB)</strong>: The minimum value is <strong id="mrs_01_24024__en-us_topic_0000001173470782_b594801471619">512</strong>.</li></ul>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row2029235663314"><td class="cellrowborder" valign="top" width="27.029999999999998%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1829119565336">Enable CheckPoint</p>
</td>
<td class="cellrowborder" valign="top" width="72.97%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p329116569338">Whether to enable CheckPoint. After CheckPoint is enabled, you need to configure the following information:</p>
<ul id="mrs_01_24024__en-us_topic_0000001173470782_ul6291125618332"><li id="mrs_01_24024__en-us_topic_0000001173470782_li17291135653319"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b845071861718">Time Interval (ms)</strong>: This parameter is mandatory.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li429135620330"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b1118432320177">Mode</strong>: This parameter is mandatory.<p id="mrs_01_24024__en-us_topic_0000001173470782_p15291656113316">The options are <strong id="mrs_01_24024__en-us_topic_0000001173470782_b14662738141716">EXACTLY_ONCE</strong> and <strong id="mrs_01_24024__en-us_topic_0000001173470782_b26356438174">AT_LEAST_ONCE</strong>.</p>
</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li62910563336"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b838674016179">Minimum Interval (ms)</strong>: The minimum value is <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1815765917175">10</strong>.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li129115693316"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b1137717563178">Timeout Duration</strong>: The minimum value is <strong id="mrs_01_24024__en-us_topic_0000001173470782_b17880516187">10</strong>.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li1129195612333"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b204011822151810">Maximum Parallelism</strong>: The value must be a positive integer containing a maximum of 64 characters.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li162911156183312"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b15395152851910">Whether to clean up</strong>: This parameter can be set to <strong id="mrs_01_24024__en-us_topic_0000001173470782_b89711630101912">Yes</strong> or <strong id="mrs_01_24024__en-us_topic_0000001173470782_b8890183212193">No</strong>.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li82911565335"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b19801749132913">Whether to enable incremental checkpoints</strong>: This parameter can be set to <strong id="mrs_01_24024__en-us_topic_0000001173470782_b199331557102914">Yes</strong> or <strong id="mrs_01_24024__en-us_topic_0000001173470782_b189331157192917">No</strong>.</li></ul>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row329245614335"><td class="cellrowborder" valign="top" width="27.029999999999998%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p10292356183315">Failure Recovery Policy</p>
</td>
<td class="cellrowborder" valign="top" width="72.97%" headers="mcps1.3.2.2.4.2.1.1.1.3.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p18292185613312">Failure recovery policy of a job. The options are as follows:</p>
<ul id="mrs_01_24024__en-us_topic_0000001173470782_ul1929205633315"><li id="mrs_01_24024__en-us_topic_0000001173470782_li122922568331"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b185918195203">fixed-delay</strong>: You need to configure <strong id="mrs_01_24024__en-us_topic_0000001173470782_b0607114653116">Retry Times</strong> and <strong id="mrs_01_24024__en-us_topic_0000001173470782_b2885101715327">Retry Interval (s)</strong>.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li17292856183313"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b1421502682011">failure-rate</strong>: You need to configure <strong id="mrs_01_24024__en-us_topic_0000001173470782_b164116212336">Max Retry Times</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b158861137113317">Interval (min)</strong>, and <strong id="mrs_01_24024__en-us_topic_0000001173470782_b156411627338">Retry Interval (s)</strong>.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li02921956113316"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b133331524844315">none</strong></li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li1629235619332">Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b10554161232118">Submit</strong> in the upper left corner to submit the job.</li></ol>
</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li17829033123512">Creating a Flink JAR job<ol type="a" id="mrs_01_24024__en-us_topic_0000001173470782_ol687255610355"><li id="mrs_01_24024__en-us_topic_0000001173470782_li38721856193520">Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b529211150221">Select</strong>, upload a local JAR file, and set parameters by referring to <a href="#mrs_01_24024__en-us_topic_0000001173470782_table1388311381402">Table 3</a>.
<div class="tablenoborder"><a name="mrs_01_24024__en-us_topic_0000001173470782_table1388311381402"></a><a name="en-us_topic_0000001173470782_table1388311381402"></a><table cellpadding="4" cellspacing="0" summary="" id="mrs_01_24024__en-us_topic_0000001173470782_table1388311381402" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Parameter configuration</caption><thead align="left"><tr id="mrs_01_24024__en-us_topic_0000001173470782_row20884143874014"><th align="left" class="cellrowborder" valign="top" width="26.16%" id="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1"><p id="mrs_01_24024__en-us_topic_0000001173470782_p822863816415">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="73.83999999999999%" id="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2"><p id="mrs_01_24024__en-us_topic_0000001173470782_p18228113824117">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="mrs_01_24024__en-us_topic_0000001173470782_row10884203894011"><td class="cellrowborder" valign="top" width="26.16%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p58842387401">Local .jar File</p>
</td>
<td class="cellrowborder" valign="top" width="73.83999999999999%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p98851438124012">Upload a local JAR file. The size of the file cannot exceed 10 MB.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row388553819406"><td class="cellrowborder" valign="top" width="26.16%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p2885138104019">Main Class</p>
</td>
<td class="cellrowborder" valign="top" width="73.83999999999999%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p159931440194820">Main-Class type.</p>
<ul id="mrs_01_24024__en-us_topic_0000001173470782_ul108881343204820"><li id="mrs_01_24024__en-us_topic_0000001173470782_li12175319483"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b149785102615">Default</strong>: By default, the class name is specified based on the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b36609139306">Mainfest</strong> file in the JAR file.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li488804374816"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b14529316261">Specify</strong>: Manually specify the class name.</li></ul>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row2088563814013"><td class="cellrowborder" valign="top" width="26.16%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1885133854015">Type</p>
</td>
<td class="cellrowborder" valign="top" width="73.83999999999999%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1350142794616">Class name.</p>
<p id="mrs_01_24024__en-us_topic_0000001173470782_p19957134134615">This parameter is available when <strong id="mrs_01_24024__en-us_topic_0000001173470782_b3808957153320">Main Class</strong> is set to <strong id="mrs_01_24024__en-us_topic_0000001173470782_b175411748348">Specify</strong>.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row118854380403"><td class="cellrowborder" valign="top" width="26.16%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p68859389406">Class Parameter</p>
</td>
<td class="cellrowborder" valign="top" width="73.83999999999999%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p862843014464">Class parameters of Main-Class (parameters are separated by spaces).</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row288573810408"><td class="cellrowborder" valign="top" width="26.16%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p128851438134016">Parallelism</p>
</td>
<td class="cellrowborder" valign="top" width="73.83999999999999%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p688583854016">Number of concurrent jobs. The value must be a positive integer containing a maximum of 64 characters.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row137208267543"><td class="cellrowborder" valign="top" width="26.16%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1502349145417">JobManager Memory (MB)</p>
</td>
<td class="cellrowborder" valign="top" width="73.83999999999999%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p550210494548">Memory of JobManager The minimum value is <strong id="mrs_01_24024__en-us_topic_0000001173470782_b107629015369">512</strong> and the value can contain a maximum of 64 characters.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row352934075110"><td class="cellrowborder" valign="top" width="26.16%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p12529154005115">Submit Queue</p>
</td>
<td class="cellrowborder" valign="top" width="73.83999999999999%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p752964085120">Queue to which a job is submitted. If this parameter is not set, the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b398411235504">default</strong> queue is used. The queue name can contain a maximum of 30 characters. Only letters, digits, and underscores (_) are allowed.</p>
</td>
</tr>
<tr id="mrs_01_24024__en-us_topic_0000001173470782_row11686183219512"><td class="cellrowborder" valign="top" width="26.16%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.1 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p14686173211514">taskManager</p>
</td>
<td class="cellrowborder" valign="top" width="73.83999999999999%" headers="mcps1.3.2.2.4.2.1.2.1.1.3.2.3.1.2 "><p id="mrs_01_24024__en-us_topic_0000001173470782_p1973512625320">taskManager running parameters include:</p>
<ul id="mrs_01_24024__en-us_topic_0000001173470782_ul6736172612537"><li id="mrs_01_24024__en-us_topic_0000001173470782_li11736172615315"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b171347911353">Slots</strong>: If this parameter is left blank, the default value <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1282510453515">1</strong> is used.</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li17736112610536"><strong id="mrs_01_24024__en-us_topic_0000001173470782_b817911218374">Memory (MB)</strong>: The minimum value is <strong id="mrs_01_24024__en-us_topic_0000001173470782_b618442118371">512</strong>.</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</li><li id="mrs_01_24024__en-us_topic_0000001173470782_li1169216705212">Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b08749305379">Save</strong> to save the configuration and click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b995953403711">Submit</strong> to submit the job.</li></ol>
</li></ul>
</p></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li104356321403"><span>Return to the job management page. You can view information about the created job, including job name, type, status, kind, and description.</span></li></ol>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section1046945219530"><h4 class="sectiontitle">Starting a Job</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol14500192833618"><li id="mrs_01_24024__en-us_topic_0000001173470782_li229653873613"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li15296153833610"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b2064413153385">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li8522134012367"><span>In the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1047032310389">Operation</strong> column of the job to be started, click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b96221527123819">Start</strong> to run the job. Jobs in the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1714215513813">Draft</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b13305657113815">Saved</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1532785813218">Submission failed</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b12392151072217">Running succeeded</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1741181312227">Running failed</strong>, or <strong id="mrs_01_24024__en-us_topic_0000001173470782_b18682313226">Stop</strong> state can be started.</span></li></ol>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section13996819027"><h4 class="sectiontitle">Developing a Job</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol51842013217"><li id="mrs_01_24024__en-us_topic_0000001173470782_li6181420129"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li131862015212"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b971032310395">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li11184202023"><span>In the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b12505834183910">Operation</strong> column of the job to be developed, click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b6647185553915">Develop</strong> to go to the job development page. Develop a job by referring to <a href="#mrs_01_24024__en-us_topic_0000001173470782_li3175133444316">4</a>. You can view created stream tables and fields in the list on the left.</span></li></ol>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section56730491528"><h4 class="sectiontitle">Editing the Job Name and Description</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol04367271828"><li id="mrs_01_24024__en-us_topic_0000001173470782_li543614275213"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li94361127227"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b17185636164219">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li104367278211"><span>In the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1258222022117">Operation</strong> column of the item to be modified, click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b65882209219">Edit</strong>, modify <strong id="mrs_01_24024__en-us_topic_0000001173470782_b758882010215">Description</strong>, and click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b185891920102118">OK</strong> to save the modification.</span></li></ol>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section5963145912219"><h4 class="sectiontitle">Viewing Job Details</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol1743615278219"><li id="mrs_01_24024__en-us_topic_0000001173470782_li124361327925"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li124369270216"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b184411628184517">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li9436827722"><span>In the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b84301546194516">Operation</strong> column of the item to be viewed, choose <strong id="mrs_01_24024__en-us_topic_0000001173470782_b3651185144511">More</strong> &gt; <strong id="mrs_01_24024__en-us_topic_0000001173470782_b21551928183119">Job Monitoring</strong> to view the job running details.</span><p><div class="note" id="mrs_01_24024__en-us_topic_0000001173470782_note7159114555817"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="mrs_01_24024__en-us_topic_0000001173470782_p141601445185819">You can only view details about jobs in the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1845172104912">Running</strong> state.</p>
</div></div>
</p></li></ol>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section195562101632"><h4 class="sectiontitle">Checkpoint Failure Recovery</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol18437827623"><li id="mrs_01_24024__en-us_topic_0000001173470782_li94372273219"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li943719279216"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1842339175018">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li543718271427"><span>In the Operation column of the item to be restored, click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b95261235125115">More</strong> &gt; <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1823355035119">Checkpoint Failure Recovery</strong>. You can perform checkpoint failure recovery for jobs in the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b699314618377">Running failed</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1156699378">Running Succeeded</strong>, or <strong id="mrs_01_24024__en-us_topic_0000001173470782_b12502811153717">Stop</strong> state.</span></li></ol>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section6622161718314"><h4 class="sectiontitle">Filtering/Searching for Jobs</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol1443714271425"><li id="mrs_01_24024__en-us_topic_0000001173470782_li2437527620"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li84376271629"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b552274913522">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li174379271323"><span>In the upper right corner of the page, you can obtain job information by selecting the job name, or enter a keyword to search for a job.</span></li></ol>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section1495916918417"><h4 class="sectiontitle">Stopping a Job</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol204355271427"><li id="mrs_01_24024__en-us_topic_0000001173470782_li14331275217"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li154352276211"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1369882813555">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li15435127927"><span>In the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1164364935520">Operation</strong> column of the item to be stopped, click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b16558165835517">Stop</strong>. Jobs in the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1555911705718">Submitting</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b255221118575">Submission succeeded</strong>, or <strong id="mrs_01_24024__en-us_topic_0000001173470782_b10599715175716">Running</strong> state can be stopped.</span></li></ol>
</div>
<div class="section" id="mrs_01_24024__en-us_topic_0000001173470782_section496089847"><h4 class="sectiontitle">Deleting a Job</h4><ol id="mrs_01_24024__en-us_topic_0000001173470782_ol743622713211"><li id="mrs_01_24024__en-us_topic_0000001173470782_li14367271120"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li143617271521"><span>Click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1267854414576">Job Management</strong>. The job management page is displayed.</span></li><li id="mrs_01_24024__en-us_topic_0000001173470782_li16436122712217"><span>In the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1746917519579">Operation</strong> column of the item to be deleted, click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1847065155712">Delete</strong>, and click <strong id="mrs_01_24024__en-us_topic_0000001173470782_b0470751165717">OK</strong> in the displayed page. Jobs in the <strong id="mrs_01_24024__en-us_topic_0000001173470782_b419274712411">Draft</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b619319473243">Saved</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1619314716241">Submission failed</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b1319310478246">Running succeeded</strong>, <strong id="mrs_01_24024__en-us_topic_0000001173470782_b819314476240">Running failed</strong>, or <strong id="mrs_01_24024__en-us_topic_0000001173470782_b121943473243">Stop</strong> state can be deleted.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_24014.html">Using the Flink Web UI</a></div>
</div>
</div>
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