[jira] [Commented] (SOLR-13862) JDK 13+Shenandoah stability/recovery problems

["Bernd Wahlen (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-13862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17101716#comment-17101716 ] 

Bernd Wahlen commented on SOLR-13862:
-------------------------------------

I am trying again with solr 8.5.1 + 14.0.1 adopt and the same Shenandoah+Memory settings. I will let you know the problems are gone.

> JDK 13+Shenandoah stability/recovery problems
> ---------------------------------------------
>
>                 Key: SOLR-13862
>                 URL: https://issues.apache.org/jira/browse/SOLR-13862
>             Project: Solr
>          Issue Type: Bug
>    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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