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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2021/01/27 09:03:03 UTC
[GitHub] [rocketmq] horizonzy opened a new issue #2635: [Enhance] Reuse DeliverDelayedMessageTimerTask to reduce ygc.
horizonzy opened a new issue #2635:
URL: https://github.com/apache/rocketmq/issues/2635
**FEATURE REQUEST**
1. Please describe the feature you are requesting.
In org.apache.rocketmq.store.schedule.ScheduleMessageService.DeliverDelayedMessageTimerTask#executeOnTimeup.
It will re schedule DeliverDelayedMessageTimerTask by new DeliverDelayedMessageTimerTask(int delayLevel, long offset);
And it's frequency is high, in fact, we can modify the offset and re schedule self.
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[GitHub] [rocketmq] horizonzy commented on issue #2635: [Enhance] Reuse DeliverDelayedMessageTimerTask to reduce ygc.
Posted by GitBox <gi...@apache.org>.
horizonzy commented on issue #2635:
URL: https://github.com/apache/rocketmq/issues/2635#issuecomment-770554655
不进行排序，把原来的那个任务执行就行了。
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[GitHub] [rocketmq] horizonzy edited a comment on issue #2635: [Enhance] Reuse DeliverDelayedMessageTimerTask to reduce ygc.
Posted by GitBox <gi...@apache.org>.
horizonzy edited a comment on issue #2635:
URL: https://github.com/apache/rocketmq/issues/2635#issuecomment-770554655
不进行排序，把原来的那个任务重新执行就行了。
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[GitHub] [rocketmq] githublaohu commented on issue #2635: [Enhance] Reuse DeliverDelayedMessageTimerTask to reduce ygc.
Posted by GitBox <gi...@apache.org>.
githublaohu commented on issue #2635:
URL: https://github.com/apache/rocketmq/issues/2635#issuecomment-770539456
你是不是要进行排序啊。如果数据量多，排序消耗非常大。
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