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This section describes some recommended performance tuning configurations to optimize the Governance Registry. It assumes that you have set up the Governance Registry on Unix/Linux, which is recommended for a production deployment. 

WSO2 G-REG-level settings

Improvement AreaPerformance Recommendations
Indexing Frequency Change the value of the <indexingFrequencyInSeconds> element accordingly in the <G-REG_HOME>/repository/conf/registry.xml file. The default value is 3.
Zip Upload Thread Pool Size and Max File Upload Size   
  • Change the value of the SO_TIMEOUT property to 7200000 in the <G-REG_HOME>/repository/conf/axis2/axis2_client.xml file, to increase the timeouts for the UI.
  • Set the value of the disableWSDLValidation property to false in the <G-REG_HOME>/repository/conf/registry.xml file, to disable WSDL and Schema validation.
  • Set the value of the <startIndexing> property to false in the <G-REG_HOME>/repository/conf/registry.xml file, to disable registry indexing.
  • Set the value of the <versionResourcesOnChange> element to false in the <G-REG_HOME>/repository/conf/registry.xml file, to stop automatic versioning of resources.
  • Set the number of maximum active DB connections to 120 and max_connection to 500 (MySQL level), and the maximum wait time to 600000 in the  <PRODUCT_HOME>/repository/conf/datasources/master-datasources.xml  file.
  • Change the Xmx property in the <PRODUCT_HOME>/bin/wso2server.sh file (for Linux) or <PRODUCT_HOME>/bin/wso2server.batet G-Reg memory configurations to 4GB.
Solr - RAM Buffer If you are loading a lot of data at once, then increase this value. A number in the vicinity of 128 is applicable for most apps.
Solr - Merge Factor When the Merge Factor is low, the indexed document count is low.
Solr - Lock Timeouts

Setting the Solr lock timeout value with a higher value indexes more documents at once and Solr response time is lower.

Our current Solr configuration is appropriate for most G-Reg related operation, except for huge file indexing.

Memory Allocation

Increase memory allocated by modifying  /bin/wso2server.sh  with the following settings: -Xms16m -Xmx2048m -XX:MaxPermSize=1024m

  • We recommend to keep -Xms as small as possible. E.g. -Xms 16m
  • Governance Registry needs at least 192 Xmx to start the Java instance, however -Xmx has to be enough for handle your workload. (Recommended allocation is 2048m or more.)
  • Governance Registry needs at least 128 MB as MaxPermSize, to do basic operations like uploading ZIP file (with 23 WSDL).
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