On Fri, Jun 6, 2025 at 1:04 AM Sammi Chen <sammic...@apache.org> wrote:

> Attenders: Hao, Wei-Chiu, Peter, Pony, Chung en, Sammi
>
> Hao:
> - Has a plan to upgrade the cluster to Java 21/17.
> - Has a plan to support multi-AZ aware ozone clusters.
> - Found one root cause of a follower SCM failed to start. A addContainer()
> is called for a closed pipeline.
> - long lived RpcClient in s3g suffers memory due to no upper size
> limitation of used ElasticByteBufferPool.
> Sammi: - HDDS-10239-container-reconciliation merge vote is going on in the
> community.
> Wei-Chiu:
> - snapshot scalability enhancement, to support 10k snapshots or even more.
> - working on Ozone document improvements, adding new documents, and
> updating old documents to have up-to-date content, under the help of AI
> tools.
> Pony:
> - Object TTL new PR "HDDS-12783. Implement S3 Gateway api for
> LifeCycleConfiguration"(https://github.com/apache/ozone/pull/8557)
> - Datanode startup time optimization. It took 150s to read 10k container
> yaml files during datanode restart. A proposal is save all in memory
> container infos into one file as container yaml content cache during
> Datanode stop, and read this file when Datanode starts.

Datanode container rocksdb compaction issue was discussed.
We discussed whether it's possible to adopt
https://issues.apache.org/jira/browse/HDDS-12819 for DN
 and that other fixed commits under
https://issues.apache.org/jira/browse/HDDS-12189 could be useful too.

> Peter: Working on POC of "HDDS-12712. Design Document of "Aggressive DB
> Compaction with Minimal Degradation dependencies"
> Chung En: Need help on review "HDDS-5984. S3 Event Notification design doc"
> (https://github.com/apache/ozone/pull/8449)
>

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