> On April 8, 2015, 6:44 p.m., Jun Rao wrote: > > core/src/main/scala/kafka/utils/timer/TimingWheel.scala, line 96 > > <https://reviews.apache.org/r/31568/diff/4/?file=920091#file920091line96> > > > > Does this need to be volatile since all accesses to it are synchronized? > > Yasuhiro Matsuda wrote: > Actually, they are not synchronized. Accesses are protected by read/write > locks in Timer. I think it is necessary to have volatile.
The read/write lock should create the memory barrier, right? - Jun ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/31568/#review79269 ----------------------------------------------------------- On April 7, 2015, 9:59 p.m., Yasuhiro Matsuda wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/31568/ > ----------------------------------------------------------- > > (Updated April 7, 2015, 9:59 p.m.) > > > Review request for kafka. > > > Bugs: KAFKA-1989 > https://issues.apache.org/jira/browse/KAFKA-1989 > > > Repository: kafka > > > Description > ------- > > new purgatory implementation > > > Diffs > ----- > > core/src/main/scala/kafka/server/DelayedOperation.scala > e317676b4dd5bb5ad9770930e694cd7282d5b6d5 > core/src/main/scala/kafka/server/ReplicaManager.scala > b06f00bc10acb90083714edb5815306d1f646ddc > core/src/main/scala/kafka/utils/timer/Timer.scala PRE-CREATION > core/src/main/scala/kafka/utils/timer/TimerTask.scala PRE-CREATION > core/src/main/scala/kafka/utils/timer/TimerTaskList.scala PRE-CREATION > core/src/main/scala/kafka/utils/timer/TimingWheel.scala PRE-CREATION > core/src/test/scala/unit/kafka/server/DelayedOperationTest.scala > 7a37617395b9e4226853913b8989f42e7301de7c > core/src/test/scala/unit/kafka/utils/timer/TimerTaskListTest.scala > PRE-CREATION > core/src/test/scala/unit/kafka/utils/timer/TimerTest.scala PRE-CREATION > > Diff: https://reviews.apache.org/r/31568/diff/ > > > Testing > ------- > > > Thanks, > > Yasuhiro Matsuda > >
