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From Jeff Whiting <je...@qualtrics.com>
Subject Re: RS not processing any requests
Date Wed, 05 Sep 2012 22:51:56 GMT
Yes we are running hbase replication.

~Jeff

On 9/5/2012 4:47 PM, Himanshu Vashishtha wrote:
> Your RS priority handlers are blocked on meta lookup, so it becomes
> unresponsive. Looks like you hitting
> https://issues.apache.org/jira/browse/HBASE-6165
> You running HBase replication? just confirming.
>
> Himanshu
>
> On Wed, Sep 5, 2012 at 4:39 PM, Stack <stack@duboce.net> wrote:
>> On Wed, Sep 5, 2012 at 2:58 PM, Nathaniel Cook <nathanielc@qualtrics.com> wrote:
>>> We ran a jstack on the both the RS process and the hbase shell process
>>> trying to do the scan.
>>>
>>> Jstack log for RS:
>>> http://pastebin.com/9Y9t5ERE
>>>
>>
>> What JVM (I don't know what (20.10-b01 mixed mode) is).
>>
>> I see a bunch of this:
>>
>> "PRI IPC Server handler 5 on 60020" daemon prio=10
>> tid=0x00002aaac10a1800 nid=0x92f waiting for monitor entry
>> [0x000000004ab0f000]
>>     java.lang.Thread.State: BLOCKED (on object monitor)
>>          at .....
>>
>> But when I go to look for other instances of the object monitor, I
>> don't find any.  I see this for each instance of BLOCKED (Or at least,
>> the two or three I checked).
>>
>> Whats your OS?
>>
>> St.Ack

-- 
Jeff Whiting
Qualtrics Senior Software Engineer
jeffw@qualtrics.com




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