Hi folks, "- Reported that there are hundreds of RaftServer objects on Datanodes. Need further investigation." I saw this once but didn't get to the bottom. There are likely hundreds of uncleaned RaftGroup directories under the raft log location. I guess there's a potential problem with cleaning RaftGroup directories when closing.
Thanks, Duong On Fri, Jul 5, 2024 at 12:32 AM Sammi Chen <sammic...@apache.org> wrote: > Attenders: Hao, Mingyu, JIanghua, Xi, Sammi > > Jianghua: > - https://github.com/apache/ozone/pull/6886 reuse RunningDatanodeState in > datanode > - Reported that there are hundreds of RaftServer objects on Datanodes. Need > further investigation. > > Hao/Mingyu: > - Discussed one optimization of container balancer target datanode > selection criteria. If the policy is > - Observed high tail latency(>1s) of getBlock request due to LOCK in > ChunkUtils#processFileExclusively. ReentrantReadWriteLock like alternative > solution is discussed. > > Xi > - Since Ratis 3.1.0 is released. Will try to cherry-pick all existing > commits which targets for 1.4.1 to Ozone 1.4.1 release branch in the > following weeks. > - Discussed the idea to support S3 storage class feature. >
