incubator-oozie-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jeremy Hanna <jeremy.hanna1...@gmail.com>
Subject Re: start time drift?
Date Thu, 26 Apr 2012 23:12:58 GMT
Thanks Alejandro.  As we talked about in IRC, I did the linux date command and then tailed
the oozie.log and the log4j line prefix date/times looked accurate.  So it doesn't seem like
the jvm drifting.

On Apr 26, 2012, at 2:53 PM, Alejandro Abdelnur wrote:

> this is odd, oozie coord uses Java system time. wonder if the the JVM is
> drifting from the the OS clock. would you check if the oozie logs are
> drifting as well?
> 
> thxs.
> 
> Alejandro
> 
> On Thu, Apr 26, 2012 at 12:42 PM, Jeremy Hanna
> <jeremy.hanna1234@gmail.com>wrote:
> 
>> Is there any reason for the materialization or real start time to drift?
>> we use NTP on the machine that we run oozie on and we've noticed that
>> certain coordinator jobs seem to drift.  For example, one coordinator that
>> runs hourly has drifted forward by about 3-4 seconds a day so that over a
>> few weeks, this is in minutes.  On most jobs this is fine, but some have
>> issues with it being too late.
>> 
>> We're currently using the version of oozie that comes with cdh3u0 that has
>> a version of 2.3.1 in it.
>> 
>> Any ideas?
> 
> 
> 
> 
> -- 
> Alejandro


Mime
View raw message