Hi, Thanks for your replying. I did not make a thread dump, if it happen again I’ll dump the thread stack.
———————— 舒琦 地址:长沙市岳麓区文轩路27号麓谷企业广场A4栋1单元6F 网址:http://www.eefung.com 微博:http://weibo.com/eefung 邮编:410013 电话:400-677-0986 传真:0731-88519609 > 在 2017年2月7日,23:52,Jagadish Venkatraman <jagadish1...@gmail.com> 写道: > > >> all the task can’t fetch any messages any more, even after restarted the > >> samza job > > Some questions: > > Are you observing an exception in the logs? > Are you able to consume the messages using a simple consumer? > Is Samza hanging on the call to fetch? > > A thread dump of the impacted container is helpful. > > Cheers, > Jag > > > > > On Mon, Feb 6, 2017 at 11:28 PM, 舒琦 <sh...@eefung.com > <mailto:sh...@eefung.com>> wrote: > Hi, > > During the running of Samza, one of brokers in our Kafka cluster went > down, the states of relative topics are shown as pictures below. Then all the > task can’t fetch any messages any more, even after restarted the samza job. > But at the same time , another app consuming the same topic which using high > level api can still fetch messages as before. > After delete the relative topics and the broker went down was up again, > the samza job can fetch messages as normal. > Thanks for your help. > > > ———————— > ShuQi > > > > -- > Jagadish V, > Graduate Student, > Department of Computer Science, > Stanford University