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Hudson commented on HBASE-25528: -------------------------------- Results for branch branch-2 [build #166 on builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/166/]: (/) *{color:green}+1 overall{color}* ---- details (if available): (/) {color:green}+1 general checks{color} -- For more information [see general report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/166/General_20Nightly_20Build_20Report/] (/) {color:green}+1 jdk8 hadoop2 checks{color} -- For more information [see jdk8 (hadoop2) report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/166/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/] (/) {color:green}+1 jdk8 hadoop3 checks{color} -- For more information [see jdk8 (hadoop3) report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/166/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk11 hadoop3 checks{color} -- For more information [see jdk11 report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/166/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 source release artifact{color} -- See build output for details. (/) {color:green}+1 client integration test{color} > Dedicated merge dispatch threadpool on master > --------------------------------------------- > > Key: HBASE-25528 > URL: https://issues.apache.org/jira/browse/HBASE-25528 > Project: HBase > Issue Type: Improvement > Components: master > Affects Versions: 3.0.0-alpha-1, 1.7.0, 2.5.0 > Reporter: Bharath Vissapragada > Assignee: Bharath Vissapragada > Priority: Minor > Fix For: 3.0.0-alpha-1, 2.5.0, 2.3.5, 2.4.2 > > > Over the weekend we ran into an issue of running normalizer on a table with > ~400k regions and we noticed the master was bottlenecked on merge dispatcher > code that runs on a single threaded thread-pool that was meant for all master > table operations (opcode: MASTER_TABLE_OPERATIONS). Having a dedicated > thread-pool helped us dispatch merges at a faster rate. -- This message was sent by Atlassian Jira (v8.3.4#803005)