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https://issues.apache.org/jira/browse/SOLR-13035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16738678#comment-16738678
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Amrit Sarkar commented on SOLR-13035:
-------------------------------------
Made limited progress;
* SOLR_VAR_ROOT (defaults to SOLR_TIP) will only have existence in the startup
scripts, and respectively SOLR_DATA_HOME and SOLR_LOGS_DIR will be set. I
haven't yet configured SOLR_PID_DIR, it seems it is not that obvious.
Reason: {{solr.data.home}} and other parameters are set in the startup scripts
itself, hence resolving them before passing them on to SolrCLI.java, so that
Solr admin UI dashboard etc can show absolute data directory path
{code}
SOLR_START_OPTS=('-server' "${JAVA_MEM_OPTS[@]}" "${GC_TUNE[@]}"
"${GC_LOG_OPTS[@]}" \
"${REMOTE_JMX_OPTS[@]}" "${CLOUD_MODE_OPTS[@]}" $SOLR_LOG_LEVEL_OPT
-Dsolr.log.dir="$SOLR_LOGS_DIR" \
"-Djetty.port=$SOLR_PORT" "-DSTOP.PORT=$stop_port" "-DSTOP.KEY=$STOP_KEY" \
"${SOLR_HOST_ARG[@]}" "-Duser.timezone=$SOLR_TIMEZONE" \
"-Djetty.home=$SOLR_SERVER_DIR" "-Dsolr.solr.home=$SOLR_HOME"
"-Dsolr.data.home=$SOLR_DATA_HOME" "-Dsolr.install.dir=$SOLR_TIP" \
"-Dsolr.default.confdir=$DEFAULT_CONFDIR" "${LOG4J_CONFIG[@]}"
"${SOLR_OPTS[@]}")
{code}
note: I didn't try overriding the parameters in SolrCLI.java yet!!
* Added {{solrVarRoot}} in SolrXmlConfig.
Working on adding documentation.
I will add the property to {{solr.cmd}}, and tests if we have agreement on
above usage of SOLR_VAR_ROOT. Hope this is ok, else I can move modules around
according to suggestions.
> Utilize solr.data.home / solrDataHome in solr.xml to set all writable files
> in single directory
> -----------------------------------------------------------------------------------------------
>
> Key: SOLR-13035
> URL: https://issues.apache.org/jira/browse/SOLR-13035
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Amrit Sarkar
> Priority: Major
> Attachments: SOLR-13035.patch, SOLR-13035.patch
>
>
> {{solr.data.home}} system property or {{solrDataHome}} in _solr.xml_ is
> already available as per SOLR-6671.
> The writable content in Solr are index files, core properties, and ZK data if
> embedded zookeeper is started in SolrCloud mode. It would be great if all
> writable content can come under the same directory to have separate READ-ONLY
> and WRITE-ONLY directories.
> It can then also solve official docker Solr image issues:
> https://github.com/docker-solr/docker-solr/issues/74
> https://github.com/docker-solr/docker-solr/issues/133
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