Ying Tang 2011-04-11, 07:18
-Re: chukwa collector crashed because org.apache.hadoop.ipc.RemoteException
Ariel Rabkin 2011-04-11, 07:49
A little of both.
Looks like your Hadoop filesystem wasn't ready to accept writes;
that's what Namenode in safe mode is telling you. Perhaps due to
However, Chukwa ought to wait, not crash. Do you have anything else in
the Chukwa logs you can show us?
On Mon, Apr 11, 2011 at 12:18 AM, Ying Tang <[EMAIL PROTECTED]> wrote:
> The log showed
> 2011-04-07 08:50:17,584 WARN LeaseChecker DFSClient - Problem renewing lease
> for DFSClient_-252461351
> org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot renew lease
> for DFSClient_-252461351. Name node is in safe mode.
> The reported blocks 31049 needs additional 3088 blocks to reach the
> threshold 0.9990 of total blocks 34172. Safe mode will be turned off
> And the chukwa collector crashed.
> Is this problem caused by hadoop or chukwa ?
> Best regards,
> Ivy Tang
Ari Rabkin [EMAIL PROTECTED]
UC Berkeley Computer Science Department