JEP 271: Unified GC Logging - First pre-review

Kirk Pepperdine kirk at kodewerk.com
Wed Oct 28 15:10:56 UTC 2015


> On Oct 28, 2015, at 1:09 AM, Bengt Rutisson <bengt.rutisson at oracle.com> wrote:
> 
> 
> 
> On 2015-10-27 15:42, Kirk Pepperdine wrote:
>> Hi Bengt,
>> 
>>> The start and end times on the end line were intentionally made seconds since this is what the decoration for the logging is using. That way it is easier to correlate the log decoration timing with the GC timing.
>> As I mentioned before, I’m very concerned about relying on the timing decorations coming from UL. I’d much prefer that the timings taken from the event were included in the body of the message.
> 
> Right. Just to be clear. I am now printing the start and end times as part of the log message and am no longer relying on the decorations.
> 
> For example:
> 
> [5.091s][info   ][gc] GC#11 GC (Allocation Failure) DefNew end 91M->59M(123M) (5.061s, 5.090s) 29.406ms

Yes, sorry, my message wasn’t clear... I didn’t want to imply that this wasn’t happening.

It it possible that I can check this out. I’ll be traveling on Friday and I’d like to spend some time looking at it on the long flight.

Regards,
Kirk

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