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administration:performance

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administration:performance [2020/03/04 13:15] – [Resources] demiankatzadministration:performance [2022/05/06 12:52] (current) – [Garbage Collection] demiankatz
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 === Collecting Data === === Collecting Data ===
  
-If you want to learn more about your garbage collection performance, you can add the -Xloggc:[filename] parameter to your SOLR_ADDITIONAL_JVM_OPTIONS variable to create a log file containing data on Java's behavior.  For example, if you want to store logs in your existing Jetty log folder and use the current date as part of the filename, you could start Solr like this:+If you want to learn more about your garbage collection performance, you can add the -Xlog:gc:[filename] parameter to your SOLR_ADDITIONAL_JVM_OPTIONS variable to create a log file containing data on Java's behavior.  For example, if you want to store logs in your existing Jetty log folder and use the current date as part of the filename, you could start Solr like this:
  
 <code> <code>
-SOLR_ADDITIONAL_JVM_OPTIONS="-Xloggc:$VUFIND_HOME/solr/vufind/logs/gc-`/bin/date +%F-%H-%M`.log" ./solr.sh start+SOLR_ADDITIONAL_JVM_OPTIONS="-Xlog:gc:$VUFIND_HOME/solr/vufind/logs/gc-`/bin/date +%F-%H-%M`.log" ./solr.sh start
 </code> </code>
  
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 :!: Note that as of VuFind 5.0 (and possibly earlier), the default Solr configuration in VuFind creates a garbage collection log in $VUFIND_HOME/solr/vufind/logs/solr_gc.log, so it may be unnecessary to add extra parameters. However, the example above logs in the specific format expected by GCViewer and shows a way you can control the log filenames, so it is retained as potentially useful for reference. :!: Note that as of VuFind 5.0 (and possibly earlier), the default Solr configuration in VuFind creates a garbage collection log in $VUFIND_HOME/solr/vufind/logs/solr_gc.log, so it may be unnecessary to add extra parameters. However, the example above logs in the specific format expected by GCViewer and shows a way you can control the log filenames, so it is retained as potentially useful for reference.
  
 +:!: Note that in older versions of Java (8 and earlier), -Xlog:gc was called -Xloggc.
 ==== Setting SOLR_ADDITIONAL_JVM_OPTIONS ==== ==== Setting SOLR_ADDITIONAL_JVM_OPTIONS ====
  
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 ---- struct data ---- ---- struct data ----
 +properties.Page Owner : 
 ---- ----
  
administration/performance.1583327736.txt.gz · Last modified: 2020/03/04 13:15 by demiankatz