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https://issues.apache.org/jira/browse/SOLR-13862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16958936#comment-16958936
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Shawn Heisey commented on SOLR-13862:
-------------------------------------
That sort of startup script isn't what comes with Solr. Normally we would see
all settings for Solr, including the heap size, being handled in solr.in.sh,
and it would be in /etc/default. That is why I thought you had the default
512MB heap.
A 64GB heap is enormous. When OutOfMemoryError exceptions happen, especially
when the heap is that big, it will be extremely important to find the actual
exception in the logfile and determine what resource is running out. It might
not be memory.
> JDK 13 stability/recovery problems
> ----------------------------------
>
> Key: SOLR-13862
> URL: https://issues.apache.org/jira/browse/SOLR-13862
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 8.2
> Reporter: Bernd Wahlen
> Priority: Major
>
> after updating my cluster (centos 7.7, solr 8.2, jdk12) to JDK13 (3 nodes, 4
> collections, 1 shard) everything was running good (with lower p95) for some
> hours. Then 2 nodes (not the leader) going to recovery state, but ~"Recovery
> failed Error opening new searcher". I tried rolling restart the cluster, but
> recovery is not working. After i switched to jdk11 recovery works again. In
> summary jdk11 or jdk12 was running stable, jdk13 not.
> This is my solr.in.sh:
> GC_TUNE="-XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC"
> SOLR_TIMEZONE="CET"
>
> GC_LOG_OPTS="-Xlog:gc*:file=/var/log/solr/solr_gc.log:time:filecount=9,filesize=20M:safepoint"
> I also tried ADDREPLICA during my attempt to reapair the cluster, which
> causes Out of Memory on JDK 13 and worked after going back to JDK 11.
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