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Posted to gitbox@activemq.apache.org by GitBox <gi...@apache.org> on 2021/05/11 15:14:40 UTC

[GitHub] [activemq-artemis] franz1981 edited a comment on pull request #3573: ARTEMIS-3292 PageSyncTimer can reduce garbage and sync while batching syncs

franz1981 edited a comment on pull request #3573:
URL: https://github.com/apache/activemq-artemis/pull/3573#issuecomment-838656005


   Would be better to use a batching strategy that won't cause tick to copy (an unbounded number of) N pending syncs ie O(N) cost, but just a O(1) cost using a "double buffering" mechanism a-la video game computer graphic, used in order prj eg https://github.com/HdrHistogram/HdrHistogram/blob/master/src/main/java/org/HdrHistogram/SingleWriterRecorder.java#L134
   is using a `WriterReaderPhaser` to switch active histograms in order to save the producer threads from being blocked while flushing.


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