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From: Esteban Gutierrez <esteban@cloudera.com>
Date: Fri, 17 Apr 2015 09:48:55 -0700
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 <CALPvCiCEXqpuGxPBiW7=BUU-86Tn3O9LTbKp4Tx9-KscdmmSoA@mail.gmail.com>
Subject: Re: Splitting table from HBase shell using script
To: "dev@hbase.apache.org" <dev@hbase.apache.org>
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Sergey,

My first question would be if you are turning off the HBase balancer before
splitting this region and how long between locating the region and then
splitting the region has passed. Also, are you splitting multiple regions
per run of your ruby script or just one?

thanks!
esteban.

--
Cloudera, Inc.


On Fri, Apr 17, 2015 at 9:41 AM, Sergey Belousov <sergey.belousov@gmail.com>
wrote:

> Hi all
>
> I was looking into doing some splitting for the table (sort of in
> production so I can not use SPLITS on create time) using 'split' command
> from HBase shell. (0.98.9-hadoop2)
> I have simple JRuby script where I just run 'split'
> 'table_name','split_key' command using hbase shell /tmp/split_table.rb
>
> Time from time I have this error coming up
>
> ERROR: org.apache.hadoop.hbase.NotServingRegionException: Region
>
> [****************eaten by
> mouse***************],1429257507107.82bfbd974d36db11075e4ef1da7abfed.
> is not online on ******************,60020,1429256987509
>         at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2780)
>         at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:4337)
>         at
> org.apache.hadoop.hbase.regionserver.HRegionServer.splitRegion(HRegionServer.java:4042)
>         at
> org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:20170)
>         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2029)
>         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:108)
>         at
> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:112)
>         at
> org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:92)
>         at java.lang.Thread.run(Thread.java:745)
>
>
>
> Even thou sleep(2) help mostly it's not guaranty (especially on live
> cluster) and not the solution I would like.
>
> So my question is what would be proper way of checking that I am good to
> run next split command?
>
>
> Thank you
> SB
>

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