Hi Chen-Che, The PR-16177 [1] is the documentation for state access latency tracking, thought it has not been merged, you could still refer it for more details.
[1] https://github.com/apache/flink/pull/16177 Best Yun Tang ________________________________ From: Chen-Che Huang <acmic...@gmail.com> Sent: Friday, June 18, 2021 16:21 To: user@flink.apache.org <user@flink.apache.org> Subject: Re: How to set state.backend.rocksdb.latency-track-enabled Hi Yangze, Got it. I'll evaluate to enable this feature and see whether I can gain some insights. Many thanks for your reply. On 2021/06/18 07:52:53, Yangze Guo <karma...@gmail.com> wrote: > Hi, Chen-Che, > > IIUC, the "state.backend.rocksdb.latency-track-enabled" is just a > reject alternative and has been incorrectly written to the release > note. You can refer to the [1] instead. > > [1] > https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/deployment/config/#state-backends-latency-tracking-options > > Best, > Yangze Guo > > On Fri, Jun 18, 2021 at 3:39 PM Chen-Che Huang <acmic...@gmail.com> wrote: > > > > Hi, > > > > The 1.13 release note > > (https://flink.apache.org/news/2021/05/03/release-1.13.0.html) mentions > > that we can set state.backend.rocksdb.latency-track-enabled to obtain some > > rockdb metrics with a marginal impact. However, I couldn't see > > state.backend.rocksdb.latency-track-enabled in > > https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/deployment/config/. > > Based on this PR (https://github.com/apache/flink/pull/15091), it seems > > that state.backend.rocksdb.latency-track-enabled is related to > > state.backend.latency-track.keyed-state-enable? Or which option I should > > set for metrics with a marginal impact. Thanks. > > > > Best wishes, > > Chen-Che Huang >
