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From "Heng Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14455) Try to get rid of unused HConnection instance
Date Mon, 21 Sep 2015 09:14:04 GMT
Heng Chen created HBASE-14455:
---------------------------------

             Summary: 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
            Priority: Minor


After HBASE-14361,  we get rid of HConnection Instance in ReplicationSink in standalone mode.
But there are still three HConnection Instance, i will try to remove unused ones.

The three instance is created 
{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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