There are no messages being sent or received. The system is idle. however, there seems to be some GC going on in the kafka broker and some socket reads and writes. It is using approx 500MB of memory.
On Fri, Jun 5, 2015 at 1:44 PM, pundlik.anuja <pundlik.an...@gmail.com> wrote: > Hi Otis, > How do I check garbage collection on kafka broker? > > > On Thu, Jun 4, 2015 at 1:24 PM, Otis Gospodnetic < > otis.gospodne...@gmail.com> wrote: > >> How's their garbage collection doing? >> >> Otis >> -- >> Monitoring * Alerting * Anomaly Detection * Centralized Log Management >> Solr & Elasticsearch Support * http://sematext.com/ >> >> >> On Thu, Jun 4, 2015 at 12:43 AM, 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 >> > >> > >
