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zhengxiu
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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: zhengxiu <zhengxiu@huawei.com> Co-committed-by: zhengxiu <zhengxiu@huawei.com>
17 lines
2.1 KiB
HTML
17 lines
2.1 KiB
HTML
<a name="EN-US_TOPIC_0000001960397629"></a><a name="EN-US_TOPIC_0000001960397629"></a>
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<h1 class="topictitle1">What Does the Value i for node.roles Mean for Nodes in an Elasticsearch Cluster of CSS?</h1>
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<div id="body0000001475371657"><div class="section" id="EN-US_TOPIC_0000001960397629__section593915166565"><h4 class="sectiontitle">Function</h4><div class="p" id="EN-US_TOPIC_0000001960397629__p825752513484">If the value of <strong id="EN-US_TOPIC_0000001960397629__b4783191374114">node.roles</strong> of a client node is <strong id="EN-US_TOPIC_0000001960397629__b3489144105015">i</strong>, then is this client node an ingest node?<ul id="EN-US_TOPIC_0000001960397629__ul49787545482"><li id="EN-US_TOPIC_0000001960397629__li3978165494812">Are there coordinating only nodes in clusters? Are the client requests distributed to coordinating nodes?</li><li id="EN-US_TOPIC_0000001960397629__li11671013104914">Are ingest nodes in idle state when there are no ingest requests?</li></ul>
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<div class="section" id="EN-US_TOPIC_0000001960397629__section151321420125618"><h4 class="sectiontitle">Solution</h4><p id="EN-US_TOPIC_0000001960397629__p5953432514">If the value of <span class="parmname" id="EN-US_TOPIC_0000001960397629__parmname181548387534"><b>node.roles</b></span> of a client node is <span class="parmvalue" id="EN-US_TOPIC_0000001960397629__parmvalue1415417387532"><b>i</b></span>, the ingest node mode is enabled.</p>
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<ul id="EN-US_TOPIC_0000001960397629__ul18667112217517"><li id="EN-US_TOPIC_0000001960397629__li1366722218513">The coordinating only nodes of Elasticsearch are called client nodes in CSS. If a cluster has no client nodes, client requests will be distributed to all nodes.</li><li id="EN-US_TOPIC_0000001960397629__li1676842405713">An ingest node functions as a set of ELK for data conversion. If there is no ingest requests, ingest nodes are not in the idle state.</li></ul>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="css_02_0055.html">Using CSS Cluster Search Engines</a></div>
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