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Ted Yu updated AMBARI-16278: ---------------------------- Description: We have observed extended cluster downtime due to HBase system tables not being assigned at cluster start up. The default values for the following two parameters are too low: hbase.regionserver.executor.openregion.threads (default: 3) hbase.master.namespace.init.timeout (default: 300000) We set hbase.regionserver.executor.openregion.threads=200 and hbase.master.namespace.init.timeout=2400000 in some case to work around HBASE-14190. Ambari can use 20 for hbase.regionserver.executor.openregion.threads and 2400000 for hbase.master.namespace.init.timeout as default value. was: We have observed extended cluster downtime due to HBase system tables not being assigned at cluster start up. The default values for the following two parameters are too low: hbase.regionserver.executor.openregion.threads (default: 3) hbase.master.namespace.init.timeout (default: 300000) We set hbase.regionserver.executor.openregion.threads=200 and hbase.master.namespace.init.timeout=2400000 in some case to work around HBASE-14190. Ambari can use 20 for hbase.regionserver.executor.openregion.threads and 2400000 for hbase.master.namespace.init.timeout as default value. > Give more time for HBase system tables to be assigned > ----------------------------------------------------- > > Key: AMBARI-16278 > URL: https://issues.apache.org/jira/browse/AMBARI-16278 > Project: Ambari > Issue Type: Improvement > Reporter: Ted Yu > > We have observed extended cluster downtime due to HBase system tables not > being assigned at cluster start up. > The default values for the following two parameters are too low: > hbase.regionserver.executor.openregion.threads (default: 3) > hbase.master.namespace.init.timeout (default: 300000) > We set hbase.regionserver.executor.openregion.threads=200 and > hbase.master.namespace.init.timeout=2400000 in some case to work around > HBASE-14190. > Ambari can use 20 for hbase.regionserver.executor.openregion.threads and > 2400000 for hbase.master.namespace.init.timeout as default value. -- This message was sent by Atlassian JIRA (v6.3.4#6332)