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Zookeeper, mail # user - ZK fsync warning


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Narayanan A R 2012-11-27, 07:43
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Re: ZK fsync warning
Patrick Hunt 2012-11-27, 07:47
On Mon, Nov 26, 2012 at 11:43 PM, Narayanan A R
<[EMAIL PROTECTED]> wrote:
> Have you seen this before?
>
> 2012-11-25 16:01:08,074 [myid:1] - WARN  [SyncThread:1:FileTxnLog@321] -
> fsync-ing the write ahead log in SyncThread:1 took 1470ms which will
> adversely effect operation latency. See the ZooKeeper troubleshooting guide
>
> I am running ZK cluster of size 3 in a VM.
>

Yes, I added it recently to highlight situations where environment
could adversely effect ZK latency.

Patrick
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Brian Tarbox 2012-11-27, 12:40
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Patrick Hunt 2012-11-27, 17:42