Re: Why hbase need to sync time between servers?

[Manu S]

Both ZooKeeper Quontum peer and NTP is mandatory for Hbase cluster seup

2012/3/12 xin meng <hadoop20120...@gmail.com>

> i guess it's In relation to zookeeper
>
> 在 2012年3月8日 下午2:50，周文辉 <cnz...@gmail.com>写道：
>
> > I installed hbase in my hadoop cluster.
> > when i started hbase and i got an exception about
> > ClockOutOfSyncException, somthing like this:
> >
> > org.apache.hadoop.hbase.ClockOutOfSyncException:
> > org.apache.hadoop.hbase.ClockOutOfSyncException:
> > Server slave,60020,1310983722679 has been rejected; Reported time is
> > too far out of sync with
> > master.  Time difference of 33514ms &gt; max allowed of 30000ms
> >
> > I know i need to sync the time.
> >
> > But does anybody know why hbase need this sync?
> >
> > Thanks very much!
> >
>



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----
Manu S
SI Engineer - OpenSource & HPC
Wipro Infotech
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