RFR: 8256416: ZGC: Lower ZMarkCompleteTimeout
pliden at openjdk.java.net
Fri Nov 20 12:40:05 UTC 2020
On Thu, 19 Nov 2020 14:50:24 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:
>> With JEP-376 integrated, the ZMarkCompleteTimeout now essentially dictates how long the max GC pause will be in ZGC. Since our pauses are now on the order of 50-100us I propose we lower the ZMarkCompleteTimeout to 200us (instead of 1ms).
>> Running the usual benchmarks, I can see no difference in number of mark continues, which suggests 200us is long enough to handle all common cases.
> Looks good.
Thanks for reviewing!
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