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From "Zhihong Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6524) Hooks for hbase tracing
Date Thu, 23 Aug 2012 22:46:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13440738#comment-13440738
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Zhihong Ted Yu commented on HBASE-6524:
---------------------------------------

Here is the OS:
Linux s-2 2.6.38-11-generic #48-Ubuntu SMP Fri Jul 29 19:02:55 UTC 2011 x86_64 x86_64 x86_64
GNU/Linux
I got the following failures with htrace patch:
{code}
testGetRowVersions(org.apache.hadoop.hbase.TestMultiVersions)  Time elapsed: 201.963 sec 
<<< ERROR!
java.io.IOException: Shutting down
  at org.apache.hadoop.hbase.MiniHBaseCluster.init(MiniHBaseCluster.java:229)
  at org.apache.hadoop.hbase.MiniHBaseCluster.<init>(MiniHBaseCluster.java:92)
  at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniHBaseCluster(HBaseTestingUtility.java:688)
  at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniHBaseCluster(HBaseTestingUtility.java:661)
  at org.apache.hadoop.hbase.TestMultiVersions.testGetRowVersions(TestMultiVersions.java:143)
...
Caused by: java.lang.RuntimeException: Master not initialized after 200 seconds
  at org.apache.hadoop.hbase.util.JVMClusterUtil.startup(JVMClusterUtil.java:208)
  at org.apache.hadoop.hbase.LocalHBaseCluster.startup(LocalHBaseCluster.java:424)
  at org.apache.hadoop.hbase.MiniHBaseCluster.init(MiniHBaseCluster.java:222)
testScanMultipleVersions(org.apache.hadoop.hbase.TestMultiVersions)  Time elapsed: 70.623
sec  <<< ERROR!
org.apache.hadoop.hbase.MasterNotRunningException: org.apache.hadoop.hbase.MasterNotRunningException:
Can create a proxy to master, but it is not running
  at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.createMasterWithRetries(HConnectionManager.java:782)
  at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getKeepAliveMasterProtocol(HConnectionManager.java:1618)
  at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getKeepAliveMasterAdmin(HConnectionManager.java:1649)
  at org.apache.hadoop.hbase.client.HBaseAdmin.execute(HBaseAdmin.java:2049)
  at org.apache.hadoop.hbase.client.HBaseAdmin.createTableAsync(HBaseAdmin.java:510)
  at org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:397)
  at org.apache.hadoop.hbase.TestMultiVersions.testScanMultipleVersions(TestMultiVersions.java:199)
{code}
The test passed without patch.
                
> Hooks for hbase tracing
> -----------------------
>
>                 Key: HBASE-6524
>                 URL: https://issues.apache.org/jira/browse/HBASE-6524
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Leavitt
>            Assignee: Jonathan Leavitt
>             Fix For: 0.96.0
>
>         Attachments: 6524.addendum, 6524-v2.txt, createTableTrace.png, hbase-6524.diff
>
>
> Includes the hooks that use [htrace|http://www.github.com/cloudera/htrace] library to
add dapper-like tracing to hbase.

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