Understanding High Object Copy Times

nezih yigitbasi nezihyigitbasi at gmail.com
Thu Apr 27 16:22:51 UTC 2017

We see huge object copy times (and relatively high termination times)
during young GCs in our production system running on Java 1.8.0_112-b15.
You can find the GC logs here:

The young GC times start going high after the timestamp

I will appreciate if you can give some details about:
- what goes into the "Object Copy" phase during young GCs and how we can
reduce it.
- why we see high Termination times and what we can do about it

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