Seems to be LogCleaner and FetchRequest threads. Attached is the profiling screenshot
On Fri, Jun 5, 2015 at 3:06 PM, Jiangjie Qin <j...@linkedin.com.invalid> wrote: > Has this to do with KAFKA-1461? > Can you see which thread is taking a lot of cpu? Some jconsole plugin can > get that information. > > Jiangjie (Becket) Qin > > On 6/5/15, 2:57 PM, "pundlik.anuja" <pundlik.an...@gmail.com> wrote: > > >Hi Jay, > > > >Good to hear from you. I met you at the kafka meetup at linkedin. > > > >- No, I am running kafka_2.11-0.8.2.1 > > > > > >Are there any logs/ any info that I can provide that will help you > >understand what could be the issue? > > > >Thanks, > >Anuja > > > >On Fri, Jun 5, 2015 at 2:36 PM, Jay Kreps <jay.kr...@gmail.com> wrote: > > > >> This sounds a lot like a bug we fixed in 0.8.2.0, no chance you are > >>running > >> that pre-release version is there? > >> > >> -Jay > >> > >> On Wed, Jun 3, 2015 at 9:43 PM, Anuja Pundlik (apundlik) < > >> apund...@cisco.com > >> > wrote: > >> > >> > Hi, > >> > > >> > I am using Kafka 0.8.2.1. > >> > We have 1 zookeeper, 3 kafka brokers. > >> > We have 9 topics, out of which 1 topic has 18 partitions, while > >>another > >> > has 12 partitions. All other topics have 1 partition each. > >> > > >> > We see that idle kafka brokers (not carrying any message) are using > >>more > >> > than 50% of CPU. See top output below. > >> > > >> > Is this a known issue? > >> > > >> > > >> > Thanks > >> > > >> > > >> > > >> > top - 04:42:30 up 2:07, 1 user, load average: 1.50, 1.31, 0.92 > >> > Tasks: 177 total, 1 running, 176 sleeping, 0 stopped, 0 zombie > >> > Cpu(s): 13.5%us, 4.5%sy, 0.0%ni, 81.3%id, 0.2%wa, 0.0%hi, 0.1%si, > >> > 0.4%st > >> > Mem: 65974296k total, 22310524k used, 43663772k free, 112688k > >>buffers > >> > Swap: 0k total, 0k used, 0k free, 13382460k > >>cached > >> > > >> > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > >> > 9295 wae 20 0 5212m 894m 12m S 62 1.4 22:50.99 java > >> > 9323 wae 20 0 5502m 894m 12m S 56 1.4 24:28.69 java > >> > 9353 wae 20 0 5072m 896m 12m S 54 1.4 17:04.31 java > >> > > >> > >