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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HSEARCH-3900?atlOrigin=eyJpIjoiMTY5Mjc5MDBjYzczNGE1NGE3ZDcxOTgxZjJhOGQ2Y2YiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Re: drop-and-create strategy is not working at app. startup when "hibernate.search.autoregister_listeners" is set to false. And if true, startup index creation thread are not released, sending the app in out of memory.</a> </span> </td>
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<p style="margin: 10px 0 0; margin-top: 0">Ok, but we are only using elastic search indexes. And on one application we are only pointing it to one elaticsearch cluster that is locally on that box only. So as far as I know, we are not mixing these two things. As I’ve not provided any local file directory for lucene under the hibernate config. And hibernate config only points to a single elastic search cluster.</p>
</blockquote> <p style="margin: 10px 0 0">That's not what your stacktraces tells me. You probably forgot to set the index manager type to "elasticsearch" for at least one of your indexes:</p>
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# Do <span class="code-keyword" style="color: #000091">this</span> to make it the <span class="code-keyword" style="color: #000091">default</span> <span class="code-keyword" style="color: #000091">for</span> all indexes
hibernate.search.<span class="code-keyword" style="color: #000091">default</span>.indexmanager = elasticsearch
# Do <span class="code-keyword" style="color: #000091">this</span> to use Elasticsearch <span class="code-keyword" style="color: #000091">for</span> one index in particular
hibernate.search.myIndex1.indexmanager = elasticsearch
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<blockquote style="margin: 10px 0 0; border-left: 1px solid #cccccc; color: #707070; margin-left: 19px; padding: 10px 20px">
<p style="margin: 10px 0 0; margin-top: 0">Also please look below in the snapshot of my local tomcat server. You can see hibernate search threads. These threads keep on running intermittently and never stops.</p>
</blockquote> <p style="margin: 10px 0 0">These are the threads that perform indexing.</p> <p style="margin: 10px 0 0">The threads will not stop as long as your application is running. That's on purpose.</p> <p style="margin: 10px 0 0">The threads run intermittently when you index something. That's on purpose.</p> <p style="margin: 10px 0 0">Was your only problem that "Hibernate Search creates threads"?</p> </td>
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