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Posted to issues@lucene.apache.org by "Jan Høydahl (Jira)" <ji...@apache.org> on 2020/03/16 09:08:00 UTC
[jira] [Commented] (SOLR-14335) Lock Solr's memory to prevent
swapping
[ https://issues.apache.org/jira/browse/SOLR-14335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060043#comment-17060043 ]
Jan Høydahl commented on SOLR-14335:
------------------------------------
In slack, [~uschindler] suggests we can create a new {{org.apache.solr.bootstrap.Main}} class responsible for doing the necessary JNA calls to do the locking. Guess we can borrow the [NativeLibrary.java|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/utils/NativeLibrary.java] class from Cassandra which implements a {{tryMlockall()}} method that seems to do the right thing for various platforms?
> Lock Solr's memory to prevent swapping
> --------------------------------------
>
> Key: SOLR-14335
> URL: https://issues.apache.org/jira/browse/SOLR-14335
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Jan Høydahl
> Priority: Major
>
> Followup from SOLR-10306. While sometimes you are able to disable or reduce swap on the host, other times that is not so easy. Having a native option to lock Solr's memory would be beneficial.
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