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From Ted Yu <yuzhih...@gmail.com>
Subject HBaseAdmin.disableTable() hung
Date Wed, 18 Aug 2010 16:39:49 GMT
I found that only one region from
NIGHTLYSTAGINGGRID-PACKAGESUMMARY-1282074317479 (currently disabled)
remained in the table as of now.

In master server log, I can see 3 actions on any of the other regions in the
table:

2010-08-18 06:41:55,345 INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_CLOSE:
NIGHTLYSTAGINGGRID-PACKAGESUMMARY-1282074317479,D68741A06F0EB8AF4D8579BF17864031,1282075349107
from us01-ciqps1-grid06.carrieriq.com,60020,1282088004819; 1 of 15
2010-08-18 06:41:55,345 DEBUG org.apache.hadoop.hbase.master.HMaster:
Processing todo: ProcessRegionClose of
NIGHTLYSTAGINGGRID-PACKAGESUMMARY-1282074317479,D68741A06F0EB8AF4D8579BF17864031,1282075349107,
true, reassign: false
2010-08-18 06:41:55,365 INFO
org.apache.hadoop.hbase.master.ProcessRegionClose$1: region closed:
NIGHTLYSTAGINGGRID-PACKAGESUMMARY-1282074317479,D68741A06F0EB8AF4D8579BF17864031,1282075349107

But for
NIGHTLYSTAGINGGRID-PACKAGESUMMARY-1282074317479,74A6A44B129151AD71C061D100F5CFA3,1282075834828
I only see one action:

2010-08-18 06:41:56,105 INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_CLOSE:
NIGHTLYSTAGINGGRID-PACKAGESUMMARY-1282074317479,74A6A44B129151AD71C061D100F5CFA3,1282075834828
from us01-ciqps1-grid04.carrieriq.com,60020,1282087981085; 1 of 5

Comment is welcome.

---------- Forwarded message ----------
From: Ted Yu <yuzhihong@gmail.com>
Date: Wed, Aug 18, 2010 at 7:51 AM
Subject: HBaseAdmin.disableTable() hung
To: user@hbase.apache.org


Hi,
We use HBase 0.20.6 with HBASE-2473

When HBaseAdmin.disableTable() was called for the following table, it seemed
to hang:

NIGHTLYSTAGINGGRID-PACKAGESUMMARY-1282074317479

This is jstack for client:

"main" prio=10 tid=0x000000005c4ac800 nid=0x3ce9 in Object.wait()
[0x0000000041060000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:485)
        at
org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:721)
        - locked <0x00002aaabc6433a0> (a
org.apache.hadoop.hbase.ipc.HBaseClient$Call)
        at
org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:333)
        at $Proxy10.disableTable(Unknown Source)
        at
org.apache.hadoop.hbase.client.HBaseAdmin.disableTable(HBaseAdmin.java:467)
        at
org.apache.hadoop.hbase.client.HBaseAdmin.disableTable(HBaseAdmin.java:446)

Here is snippet from the region server log where the region is located:
http://pastebin.com/S1fHN7cM

Here is snippet from master log:
http://pastebin.com/zaXFwwba

Can someone suggest where I should look further ?

Thanks

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