On Thu, Jan 12, 2012 at 9:47 PM, T Vinod Gupta <tvi...@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
