Github user d2r commented on the pull request: https://github.com/apache/storm/pull/521#issuecomment-106038982 Tested with https://github.com/yahoo/storm-perf-test with the following arguments: ``` --ack --bolt 4 --name test -l 1 -n 1 --workers 4 --spout 3 --testTimeSec 900 -c topology.max.spout.pending=1092 --messageSize 10 ``` OK, I found both the data-rate and the latency are improved with this patch in my tests: master at 512d3def: Throughput in MB/s: max: 0.1519711812 99: 0.1510783919 90: 0.1276066783 50: 0.1100190481 min: 0.07258733114 Complete Latency/10m: 265ms This PR 85c5096e merged to master at 512d3def: Throughput in MB/s: max: 0.1760864258 99: 0.1707911174 90: 0.1550458272 50: 0.1419607798 min: 0.1128451029 Complete Latency/10m: 204ms I am also fine with the changes. +1 Thank you for your patience, @HeartSaVioR.
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