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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Stuck closing region / region is flushing
Date Sat, 14 Mar 2015 20:22:42 GMT
Which release of HBase are you using ?

I wonder if your cluster was hit with HBASE-10499.

Cheers

On Sat, Mar 14, 2015 at 1:13 PM, Kristoffer Sjögren <stoffe@gmail.com>
wrote:

> Hi
>
> It seems one of our region servers has been stuck closing a region for
> almost 22 hours. Puts or gets eventually fail with an exception [1].
>
> Is there any safe way to release the region like restarting the region
> server?
>
> Cheers,
> -Kristoffer
>
>
> [1]
>
> 2015-03-14 21:02:24,316 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Failed to unblock updates for region
> tsdb,\x00\x00\x9ETU\xAC@
> \x00\x00\x01\x00\x00\xAD\x00\x00\x05\x00\x00\xA7,1426282871862.4512f92b3d81e9142542d3b458223b63.
> 'IPC Server handler 9 on 60020' in 60000ms. The region is still busy.
> 2015-03-14 21:02:24,316 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer:
> org.apache.hadoop.hbase.RegionTooBusyException: region is flushing
> at
>
> org.apache.hadoop.hbase.regionserver.HRegion.checkResources(HRegion.java:2731)
> at org.apache.hadoop.hbase.regionserver.HRegion.put(HRegion.java:2002)
> at
>
> org.apache.hadoop.hbase.regionserver.HRegionServer.put(HRegionServer.java:2114)
> at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source)
> at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
>
> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1428)
>

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