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https://issues.apache.org/jira/browse/SOLR-6705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14205315#comment-14205315
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Jan Høydahl commented on SOLR-6705:
-----------------------------------
[~thelabdude], see also the patch @ SOLR-6693 where I added detection of Solr
version and 32/64 bit as part of that issue. Could be used for further decision
making. One approach I thought of is to split GC into three variables in
{{solr.in.sh}}: {{GC_TUNE}}, {{GC_TUNE_JAVA7}} and {{GC_TUNE_JAVA8}}, and move
version-specific options over to the respective vars. Just an idea.
> SOLR Start script generates warnings on java 8 due ot experimental options
> --------------------------------------------------------------------------
>
> Key: SOLR-6705
> URL: https://issues.apache.org/jira/browse/SOLR-6705
> Project: Solr
> Issue Type: Bug
> Components: scripts and tools
> Affects Versions: 4.10.2
> Environment: Mac Yosemite 10.10
> java -version
> java version "1.8.0_25"
> Java(TM) SE Runtime Environment (build 1.8.0_25-b17)
> Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode)
> Reporter: Carsten Grønbjerg Lützen
> Assignee: Timothy Potter
> Priority: Trivial
>
> When using the start script in bin: ./solr start in java 8...
> {noformat}
> Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m;
> support was removed in 8.0
> Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m;
> support was removed in 8.0
> Java HotSpot(TM) 64-Bit Server VM warning: ignoring option
> CMSTriggerPermRatio=80; support was removed in 8.0
> Java HotSpot(TM) 64-Bit Server VM warning: CMSFullGCsBeforeCompaction is
> deprecated and will likely be removed in a future release.
> {noformat}
> ...we should reconsider having these options hardcoded into the start script
> -- either auto-detect if/when they make sense, or remove them
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