franz1981 edited a comment on issue #2950: ARTEMIS-2604 Save Message decoding when unnecessary URL: https://github.com/apache/activemq-artemis/pull/2950#issuecomment-581056951 @michaelandrepearce @wy96f I finally got some numbers about the loading of journal: this commit: start: 19:28:08,193 end: 19:28:28,391 ~20 seconds 2.11: start: 12:12:22,651 end: 12:13:15,625 ~ 53 seconds It seems about twice as faster assuming a very fast disk :) But, although it seems an improvement from the point of view of speed of the algorithm of loading, in reality, it uses much less memory then before, hence hitting much less full GCs. In my tests, with. 2.5 GB and a 4 GB broker, I can lower the heap size until 3 GB getting decent performance while loading, while with 2.11i have to raise it to 6 GB to make the loading being quick as 3 GB.
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