Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HDFS, mail # user - is time sync required among all nodes?


Copy link to this message
-
Re: is time sync required among all nodes?
Chris Embree 2013-06-05, 03:11
Yes, NTPD is your best option.

On 6/4/13, Ben Kim <[EMAIL PROTECTED]> wrote:
> Hi,
> This is very basic & fundamental question.
>
> Is time among all nodes needs to be synced?
>
> I've never even thought of timing in hadoop cluster but recently
> experienced my servers going out of sync with time. I know hbase requires
> time to by synced due to its timestamp action. But I wonder any of hadoop
> functionality requires time sync. Perhaps checkpoint, namenode HA, or
> datanode report, etc... hmm
>
>
> --
>
> *Benjamin Kim*
> *benkimkimben at gmail*
>