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https://issues.apache.org/jira/browse/SOLR-10632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16001413#comment-16001413
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Jan Høydahl commented on SOLR-10632:
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Since we now have the mechanism of setting {{SOLR_LOGS_DIR}}, you can
workaround this as documented in
https://cwiki.apache.org/confluence/display/solr/Configuring+Logging#ConfiguringLogging-PermanentLoggingSettings
:
{noformat}
export SOLR_LOGS_DIR=logs_8983
bin/solr start -p 8983
export SOLR_LOGS_DIR=logs_8080
bin/solr start -p 8080
{noformat}
In this way you will get logs from the first instance in {{server/logs_8983}}
and from the other in {{server/logs_8080}}. I think this is a far better, and
already supported, solution, segregating logs for each instance 100%.
This is also documented in
https://cwiki.apache.org/confluence/display/solr/Taking+Solr+to+Production#TakingSolrtoProduction-Logsettings,
and when you install Solr using install script, logs for each instance is
automatically set relative to {{$SOLR_VAR_DIR}}.
I can see that if someone is developing and starting several instances from the
same installation folder without specifying {{SOLR_LOGS_DIR}}, then what you
describe will be happening. We could of course default to sending logs to
{{server/logs}} as today if port==8983, else change log dir to {{logs_<port>}}?
> logfiles are moved to archived if server is still running
> ---------------------------------------------------------
>
> Key: SOLR-10632
> URL: https://issues.apache.org/jira/browse/SOLR-10632
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: logging
> Affects Versions: 6.5
> Reporter: Bernd Fehling
> Priority: Minor
>
> There are server logfiles without portnumber in logfile name. If another
> instance is started these logfiles are moved to archived, eventhough the
> other server is still running.
> Solution could be to give every logfile a name with the portnumber it belongs
> to. Or check if a logfile is still in use and quit with an error before
> moving to archived.
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