[concurrency-interest] Frequently canceled timers
joe.bowbeer at gmail.com
Thu Jan 24 12:42:23 EST 2008
It should be more efficient to call executor.purge() periodically than
to call remove() frequently. Will this work in your case?
On Jan 24, 2008 8:20 AM, Richard Johns wrote:
> I have an application that retransmits messages when they don't get a
> timely response . Usually, of course, that's not necessary and their
> timers are canceled. This is a traffic generator so message rate is
> high and we need to remove the canceled timers.
> Is there a timer implementation that efficiently cleans up canceled
> timers? DelayQueue uses a binary heap so it's very fast otherwise, but
> it uses a sequential search for remove(). ScheduledThreadPoolExecutor
> uses DelayQueue, and Timer also uses a binary heap.
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