Mark Tse created HBASE-12309: -------------------------------- Summary: Customize Java Heap min/max settings for individual processes Key: HBASE-12309 URL: https://issues.apache.org/jira/browse/HBASE-12309 Project: HBase Issue Type: Improvement Components: master, regionserver, REST Affects Versions: 0.99.1, 0.98.5 Reporter: Mark Tse Priority: Minor
The separate processes (master, regionserver, zookeeper, rest, etc.) all run using $JAVA_HEAP_MAX in 'bin/hbase'. However, there may be cases where we want the processes to run with different Java max heap sizes. In 0.98.5, HBASE_(.*)_OPTS variables exist for these processes and can be used to add the Xms and Xmx tags, but because of how the default for JAVA_HEAP_MAX is set, it will always add '-Xmx1000m' to the final call to start up the master/regionserver/rest process, resulting in two different Java heap settings (e.g. -Xmx1000m and -Xmx8g is used when starting the master). In 0.99.1, this default no longer exists so HBASE_(.*)_OPTS is usable, but it would be nice to have dedicated variables for each process. This issue also exists in Hadoop HDFS ([HDFS-7255]). -- This message was sent by Atlassian JIRA (v6.3.4#6332)