Anyone?
On Wed, Jul 12, 2017 at 2:56 PM, Sreeram <sreera...@gmail.com> wrote: > Hi, > > I am observing that my storm topology intermediately freezes and does > not continue to process tuples from Kafka. This happens frequently and > when it happens this freeze lasts for 5 to 15 minutes. No content is > written to any of the worker log files during this time. > > The version of storm I use is 1.0.2 and Kafka version is 0.9.0. > > Any suggestions to solve the issue ? > > Thanks, > Sreeram > > Supervisor log at the time of freeze looks like below > > 2017-07-12 14:38:46.712 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > 2017-07-12 14:38:47.212 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > 2017-07-12 14:38:47.712 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > 2017-07-12 14:38:48.213 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > 2017-07-12 14:38:48.713 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > 2017-07-12 14:38:49.213 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > 2017-07-12 14:38:49.713 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > 2017-07-12 14:38:50.214 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > 2017-07-12 14:38:50.714 o.a.s.d.supervisor [INFO] > d8958816-5bc8-449e-94e3-87ddbb2c3d02 still hasn't started > > > Thread stacks (sample) > Most of worker threads during this freeze period look like one of the > below two stack traces. > > Thread 104773: (state = BLOCKED) > - sun.misc.Unsafe.park(boolean, long) @bci=0 (Compiled frame; > information may be imprecise) > - java.util.concurrent.locks.LockSupport.parkNanos(java.lang.Object, > long) @bci=20, line=215 (Compiled frame) > - > java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(java.util.concurrent.SynchronousQueue$TransferStack$SNode, > boolean, long) @bci=160, line=460 (Compil > ed frame) > - > java.util.concurrent.SynchronousQueue$TransferStack.transfer(java.lang.Object, > boolean, long) @bci=102, line=362 (Compiled frame) > - java.util.concurrent.SynchronousQueue.poll(long, > java.util.concurrent.TimeUnit) @bci=11, line=941 (Compiled frame) > - java.util.concurrent.ThreadPoolExecutor.getTask() @bci=134, > line=1066 (Compiled frame) > - > java.util.concurrent.ThreadPoolExecutor.runWorker(java.util.concurrent.ThreadPoolExecutor$Worker) > @bci=26, line=1127 (Compiled frame) > - java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=5, > line=617 (Compiled frame) > - java.lang.Thread.run() @bci=11, line=745 (Compiled frame) > > Thread 147495: (state = IN_NATIVE) > - sun.nio.ch.EPollArrayWrapper.epollWait(long, int, long, int) @bci=0 > (Compiled frame; information may be imprecise) > - sun.nio.ch.EPollArrayWrapper.poll(long) @bci=18, line=269 (Compiled frame) > - sun.nio.ch.EPollSelectorImpl.doSelect(long) @bci=28, line=93 (Compiled > frame) > - sun.nio.ch.SelectorImpl.lockAndDoSelect(long) @bci=37, line=86 > (Compiled frame) > - sun.nio.ch.SelectorImpl.select(long) @bci=30, line=97 (Compiled frame) > - org.apache.kafka.common.network.Selector.select(long) @bci=35, > line=425 (Compiled frame) > - org.apache.kafka.common.network.Selector.poll(long) @bci=81, > line=254 (Compiled frame) > - org.apache.kafka.clients.NetworkClient.poll(long, long) @bci=84, > line=270 (Compiled frame) > - org.apache.kafka.clients.producer.internals.Sender.run(long) > @bci=343, line=216 (Compiled frame) > - org.apache.kafka.clients.producer.internals.Sender.run() @bci=27, > line=128 (Interpreted frame) > - java.lang.Thread.run() @bci=11, line=745 (Compiled frame)