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From Stack <st...@duboce.net>
Subject Re: is there any way to copy data from one table to another while updating rowKey??
Date Fri, 13 Jan 2012 20:31:13 GMT
On Thu, Jan 12, 2012 at 9:47 PM, T Vinod Gupta <tvinod@readypulse.com> wrote:
> i wrote an app to delete bunch of old data which we dont need
> any more.. so that app is doing scans and deletes (specific columns of rows
> based on some custom logic).
>

You understand that you are writing a new entry per item you are deleting?


> 2012-01-13 05:42:21,201 WARN org.apache.hadoop.ipc.HBaseServer: IPC Server
> handler 8 on 60020 caught: java.nio.channels.ClosedChannelException
>        at
> sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:144)
>        at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:342)
>        at
> org.apache.hadoop.hbase.ipc.HBaseServer.channelIO(HBaseServer.java:1389)
>        at
> org.apache.hadoop.hbase.ipc.HBaseServer.channelWrite(HBaseServer.java:1341)
>        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Responder.processResponse(HBaseServer.java:727)
>        at


Looks like the client went away before the server had time to respond.
 You seeing hard-working servers?



> 2012-01-13 04:48:37,301 WARN org.apache.hadoop.hbase.master.CatalogJanitor:
> Fail
> ed scan of catalog table
> java.net.SocketTimeoutException: Call to /10.68.145.124:60020 failed on
> socket t
> imeout exception: java.net.SocketTimeoutException: 60000 millis timeout
> while wa


This looks like why client went away... didn't get a response w/i 60 seconds.

St.Ack

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