interesting log entries

Srinivas Ramakrishna ysr1729 at gmail.com
Fri Aug 1 19:07:53 UTC 2014


ok. Please make sure to include platform info.

thanks.
-- ramki


On Fri, Aug 1, 2014 at 11:12 AM, Kirk Pepperdine <kirk at kodewerk.com> wrote:

> Hi Ramki,
>
> I can send you examples of the age timestamp going backwards also ;-).
>
> Regards,
> Kirk
>
> On Aug 1, 2014, at 7:03 PM, Srinivas Ramakrishna <ysr1729 at gmail.com>
> wrote:
>
> Hi Kirk,
>
> Use the "jvm age" timestamp. That seems to be monotonically increasing,
> and doesn't present the issues with the date-stamp on account of NTP etc.
>
> -- ramki
>
>
> On Fri, Aug 1, 2014 at 4:32 AM, Kirk Pepperdine <kirk at kodewerk.com> wrote:
>
>> Hi,
>>
>> I’ve run into this in a 1.7.0_40 with G1GC, with -XX:+PrintGCDetails,
>> -XX:+PrintApplicationStoppedTime -XX:+PrintTenuringDistribution and it’s
>> using the rolling logs feature.
>>
>> The log is riddled with all kinds of different variants of date going
>> backwards and time stamp going forward for backwards. My guess is NTP is
>> involved here but there must also be some bug in the logging to allow
>> things to travel in different directions and/or at different rates.
>>
>> Regards,
>> Kirk
>>
>> 2014-06-16T01:41:02.478+0200: 7324.015: Total time for which application
>> threads were stopped: 0.0009980 seconds
>> 2014-06-16T01:41:02.479+0200: 7324.016: Application time: 0.0008090
>> seconds
>> 2014-06-16T01:41:02.479+0200: 7324.016: Total time for which
>> a1:40:22.957+0200: 7407.019: Application time: 0.0001020 seconds
>> 2014-06-16T01:40:22.958+0200: 7407.020: Total time for which application
>> threads were stopped: 0.0012800 seconds
>>
>>
>>
>
>
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