AFAIK, Tencent Kona JDK 17 is used with G1 GC to replace the Open JDK 17 on OM. Majority GC time is less than 100ms. No more long GC pauses. ZGC is not scheduled to test since G1 GC already meets the expectation.
1. https://github.com/Tencent/TencentKona-17 On Tue, 1 Oct 2024 at 02:46, Wei-Chiu Chuang <weic...@apache.org> wrote: > How is the ZGC test going? > > Newer JDK, JDK 21 brings the "Generational ZGC" which is claimed to have > additional improvement in > throughput, latency pause time and heap consumption over the original ZGC. > > https://kstefanj.github.io/2023/12/13/jdk-21-the-gcs-keep-getting-better.html > > > On Fri, Jun 7, 2024 at 12:42 AM Sammi Chen <sammic...@apache.org> wrote: > > > Attenders: Hongbin, Pony, Minyu, Conway, Hualong, Yuanben, Sammi > > > > Sammi > > > > - CoC EU is hosted this week. There are several Ozone topics, > including > > Recon, Ratis, Performance, etc. > > - Troubleshooting guides of critical features and functions. > > > > Hongbin/Conway > > > > - Found issue that OM is sending duplicate blocks to SCM for deletion. > > Suggest to apply the patch > > https://issues.apache.org/jira/browse/HDDS-10680, and add more log > > information to debug this issue. > > - G1 and ZGC are scheduled to try on the production cluster soon > later. > > - Found one EC reconstruction issue, same as Minyu raised. > > > > Pony > > > > - Ratis 3.1.0 RC is under voting now. > > - Prefer to continue to release 1.4.1. > > > > Minyu > > > > - Found a EC reconstruction issue, filed JIRA > > https://issues.apache.org/jira/browse/HDDS-10985 > > >
