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Posted to issues@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/07/01 21:36:00 UTC
[jira] [Closed] (HBASE-14455) Try to get rid of unused HConnection instance
[ https://issues.apache.org/jira/browse/HBASE-14455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Kyle Purtell closed HBASE-14455.
---------------------------------------
> Try to get rid of unused HConnection instance
> ----------------------------------------------
>
> Key: HBASE-14455
> URL: https://issues.apache.org/jira/browse/HBASE-14455
> Project: HBase
> Issue Type: Improvement
> Reporter: Heng Chen
> Assignee: Heng Chen
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-14455.patch
>
>
> After HBASE-14361, we get rid of HConnection Instance in ReplicationSink in standalone mode. But there are still three HConnection Instance, i think the unused ones should be removed.
> The three instances are created below
> {code}
> 6 2015-09-21 16:05:36,401 INFO [10.0.3.80:60429.activeMasterManager] client.ConnectionImplementation:.
> 7 java.lang.Throwable
> 8 >---at org.apache.hadoop.hbase.client.ConnectionImplementation.<init>(ConnectionImplementation.java:217)
> 9 >---at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 10 >---at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> 11 >---at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 12 >---at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
> 13 >---at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:231)
> 14 >---at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:118)
> 15 >---at org.apache.hadoop.hbase.master.ServerManager.<init>(ServerManager.java:222)
> 16 >---at org.apache.hadoop.hbase.master.ServerManager.<init>(ServerManager.java:212)
> 17 >---at org.apache.hadoop.hbase.master.HMaster.createServerManager(HMaster.java:853)
> 18 >---at org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:661)
> 19 >---at org.apache.hadoop.hbase.master.HMaster.access$500(HMaster.java:180)
> 20 >---at org.apache.hadoop.hbase.master.HMaster$1.run(HMaster.java:1670)
> 21 >---at java.lang.Thread.run(Thread.java:745)
> 22 2015-09-21 16:05:36,401 INFO [M:0;10.0.3.80:60429] client.ConnectionImplementation:.
> 23 java.lang.Throwable
> 24 >---at org.apache.hadoop.hbase.client.ConnectionImplementation.<init>(ConnectionImplementation.java:217)
> 25 >---at org.apache.hadoop.hbase.client.ConnectionUtils$1.<init>(ConnectionUtils.java:128)
> 26 >---at org.apache.hadoop.hbase.client.ConnectionUtils.createShortCircuitConnection(ConnectionUtils.java:128)
> 27 >---at org.apache.hadoop.hbase.regionserver.HRegionServer.createClusterConnection(HRegionServer.java:686)
> 28 >---at org.apache.hadoop.hbase.regionserver.HRegionServer.setupClusterConnection(HRegionServer.java:717)
> 29 >---at org.apache.hadoop.hbase.regionserver.HRegionServer.preRegistrationInitialization(HRegionServer.java:730)
> 30 >---at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:885)
> 31 >---at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:311)
> 32 >---at java.lang.Thread.run(Thread.java:745)
> 33 2015-09-21 16:05:36,401 INFO [RS:0;10.0.3.80:60431] client.ConnectionImplementation:.
> 34 java.lang.Throwable
> 35 >---at org.apache.hadoop.hbase.client.ConnectionImplementation.<init>(ConnectionImplementation.java:217)
> 36 >---at org.apache.hadoop.hbase.client.ConnectionUtils$1.<init>(ConnectionUtils.java:128)
> 37 >---at org.apache.hadoop.hbase.client.ConnectionUtils.createShortCircuitConnection(ConnectionUtils.java:128)
> 38 >---at org.apache.hadoop.hbase.regionserver.HRegionServer.createClusterConnection(HRegionServer.java:686)
> 39 >---at org.apache.hadoop.hbase.regionserver.HRegionServer.setupClusterConnection(HRegionServer.java:717)
> 40 >---at org.apache.hadoop.hbase.regionserver.HRegionServer.preRegistrationInitialization(HRegionServer.java:730)
> 41 >---at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:885)
> 42 >---at java.lang.Thread.run(Thread.java:745)
> {code}
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