Yang, Tong 3f5759eed2 MRS comp-lts 2.0.38.SP20 version
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>
2023-01-19 17:08:45 +00:00

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<a name="mrs_01_1954"></a><a name="mrs_01_1954"></a>
<h1 class="topictitle1">Configuring the Number of Lost Executors Displayed in WebUI</h1>
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<div class="section" id="mrs_01_1954__en-us_topic_0000001219029453_sea742cd1ef4147f396e0edef7da2656f"><h4 class="sectiontitle">Scenario</h4><p id="mrs_01_1954__en-us_topic_0000001219029453_a9326f3296bab4a7191c994e9016522f4">In Spark WebUI, the <span class="wintitle" id="mrs_01_1954__en-us_topic_0000001219029453_w51984dcf1a874f9dbf557bca7b242601"><b>Executor</b></span> page can display information about Lost Executor. Executors are dynamically recycled. If the JDBCServer tasks are large, there may be too many lost executors displayed in WebUI. Therefore, the number of displayed lost executors can be configured.</p>
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<div class="section" id="mrs_01_1954__en-us_topic_0000001219029453_scdd6d98977ac4ad0b44b95b1a7605c31"><h4 class="sectiontitle">Procedure</h4><p id="mrs_01_1954__en-us_topic_0000001219029453_afd2e3f72f0e24580a7513b243cf55e9b">Configure the following parameter in the <span class="filepath" id="mrs_01_1954__en-us_topic_0000001219029453_f0a50b854fd6e44bfb591a386d2f00a46"><b>spark-defaults.conf</b></span> file on Spark client.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="mrs_01_1954__en-us_topic_0000001219029453_t7c10913d306e4d468256c17990f3e25c" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameter description</caption><thead align="left"><tr id="mrs_01_1954__en-us_topic_0000001219029453_ra438de715c7b4603bf5561cea85692af"><th align="left" class="cellrowborder" valign="top" width="20.18%" id="mcps1.3.3.3.2.4.1.1"><p id="mrs_01_1954__en-us_topic_0000001219029453_a0173f34d758e4375b6d6f213438fabe9">Parameter</p>
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<th align="left" class="cellrowborder" valign="top" width="63.970000000000006%" id="mcps1.3.3.3.2.4.1.2"><p id="mrs_01_1954__en-us_topic_0000001219029453_abd31841751f74fe39968d40ff20a5fb7">Description</p>
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<th align="left" class="cellrowborder" valign="top" width="15.85%" id="mcps1.3.3.3.2.4.1.3"><p id="mrs_01_1954__en-us_topic_0000001219029453_a637abbebe6cd4026a90d04bb9dd886d7">Default Value</p>
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<tbody><tr id="mrs_01_1954__en-us_topic_0000001219029453_r9ad75cb842de4ef4bd537ddbc4b473f4"><td class="cellrowborder" valign="top" width="20.18%" headers="mcps1.3.3.3.2.4.1.1 "><p id="mrs_01_1954__en-us_topic_0000001219029453_a5514373b8cf045b2bdf88be5f1b7742c">spark.ui.retainedDeadExecutors</p>
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<td class="cellrowborder" valign="top" width="63.970000000000006%" headers="mcps1.3.3.3.2.4.1.2 "><p id="mrs_01_1954__en-us_topic_0000001219029453_a7ede0b7fa9e34c8c9d5934a0697788bf">The maximum number of Lost Executors displayed in Spark WebUI.</p>
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<td class="cellrowborder" valign="top" width="15.85%" headers="mcps1.3.3.3.2.4.1.3 "><p id="mrs_01_1954__en-us_topic_0000001219029453_a08cef678ea924bc3bc822e8743f6dff2">100</p>
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</tbody>
</table>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_1941.html">Scenario-Specific Configuration</a></div>
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