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Posted to issues@fluss.apache.org by "beryllw (via GitHub)" <gi...@apache.org> on 2026/09/21 08:01:07 UTC

[PR] [tiering] Optimize tiering split queue and commit collection [fluss]

beryllw opened a new pull request, #4457:
URL: https://github.com/apache/fluss/pull/4457

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Re: [PR] [tiering] Optimize tiering split queue and commit collection [fluss]

Posted by "beryllw (via GitHub)" <gi...@apache.org>.
beryllw commented on PR #4457:
URL: https://github.com/apache/fluss/pull/4457#issuecomment-5757568301

   Benchmarked the before/after bookkeeping logic with JMH 1.37 and **1,000 splits per table**, restricted to **one logical CPU** (`--cpus=1 --cpuset-cpus=0`).
   
   Environment: Linux/arm64 on Apple M3 Pro, JDK 17.0.18, G1, 512 MB heap, one benchmark thread. Two forks, each with 2 × 1 s warmup and 3 × 1 s measurement.
   
   | Operation (1,000 entries per round) | Before (ms/round) | After (ms/round) |
   | --- | ---: | ---: |
   | Queue enqueue and drain | 0.044 | 0.015 |
   | Bucket write-result collection | 8.03 | 0.025 |
   
   Values are mean times from standalone copies of the changed logic. The benchmark excludes Flink scheduling, logging, RPC and lake I/O; these results do not represent end-to-end tiering speedups.
   


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Re: [PR] [tiering] Optimize tiering split queue and commit collection [fluss]

Posted by "beryllw (via GitHub)" <gi...@apache.org>.
beryllw commented on PR #4457:
URL: https://github.com/apache/fluss/pull/4457#issuecomment-5757582808

   @luoyuxia cc


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Re: [PR] [tiering] Optimize tiering split queue and commit collection [fluss]

Posted by "luoyuxia (via GitHub)" <gi...@apache.org>.
luoyuxia merged PR #4457:
URL: https://github.com/apache/fluss/pull/4457


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