> On Sept. 2, 2014, 4:51 p.m., Jun Rao wrote: > > core/src/main/scala/kafka/server/RequestPurgatory.scala, lines 268-270 > > <https://reviews.apache.org/r/25155/diff/5/?file=673594#file673594line268> > > > > I thought that we only want to call purgeSatisfied if delayed.size >= > > purgeIntveral and similarly, only call watcherForKey...purgeSatisfied() if > > RequestPurgatory.this.size() >= purgeInterval? > > Guozhang Wang wrote: > Previously the logic checks on sum of watch list sizes and queue size, > but it never check them separately. I thought since watch list sizes >= queue > size in theory, and it is >> queue size in practice, we can just check on > watch list sizes, and always purge both when the condition satisfies for > simplicity. Let me know if you have a strong preference.
That's probably true in the common case. However, it's possible for some clients to set a really large timeout. Then, the delaye queue size could grow bigger than the watcher list. - Jun ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/25155/#review52036 ----------------------------------------------------------- On Sept. 2, 2014, 8:22 p.m., Guozhang Wang wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/25155/ > ----------------------------------------------------------- > > (Updated Sept. 2, 2014, 8:22 p.m.) > > > Review request for kafka. > > > Bugs: KAFKA-1616 > https://issues.apache.org/jira/browse/KAFKA-1616 > > > Repository: kafka > > > Description > ------- > > Purgatory size to be the sum of watched list sizes; delayed request to be the > expiry queue length; remove atomic integers for metrics; add a unit test for > watched list sizes and enqueued requests > > > Diffs > ----- > > core/src/main/scala/kafka/server/RequestPurgatory.scala > ce06d2c381348deef8559374869fcaed923da1d1 > core/src/test/scala/unit/kafka/server/RequestPurgatoryTest.scala > 168712de241125982d556c188c76514fceb93779 > > Diff: https://reviews.apache.org/r/25155/diff/ > > > Testing > ------- > > > Thanks, > > Guozhang Wang > >
