Hi, If you want to estimate a reason you need to use profile and after make a conclusion.
You should to check your application (using flight recorder[1] for example) and make a investigation where are threads stopping. How long do threads spend time in parking state? What is reason of this? [1]: https://apacheignite.readme.io/docs/jvm-and-system-tuning#section-detailed-garbage-collection-stats On Wed, Jan 18, 2017 at 1:42 PM, Shawn Du <[email protected]> wrote: > This is the configuration. All just default. > > > > <property name="discoverySpi"> > > <bean class="org.apache.ignite.spi. > discovery.tcp.TcpDiscoverySpi"> > > <property name="ipFinder"> > > <bean class="org.apache.ignite.spi. > discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder"> > > <property name="addresses"> > > <list> > > <value>localhost:47500..47509</value> > > </list> > > </property> > > </bean> > > </property> > > </bean> > > </property> > > > > When running the job, both IO and CPU load are very low. > > Now I am testing split less jobs. Also tune the publicThreadPoolSize. It > seems that splitting less jobs has positive effect. > > Tune the publicThreadPoolSize high has negative effect. Please confirm > and give suggestions. > > > > Thanks > > Shawn > > > > *发件人:* Artem Schitow [mailto:[email protected]] > *发送时间:* 2017年1月18日 18:08 > *收件人:* [email protected] > *主题:* Re: how to increase CPU utilization to increase compute performance > > > > Hi, Shawn! > > > > Can you please attach you Ignite configuration? What are your disk I/O > load and CPU load when you’re running the job? > > > — > > Artem Schitow > > [email protected] > > > > > > > > On 18 Jan 2017, at 13:02, Shawn Du <[email protected]> wrote: > > > > Hi, > > > > I have a task to compute on ignite. My Service has 8 cores. I split the > task into more than 1K jobs and merge the result. > > From client see, the task run more than 3 seconds, and sometimes more than > 10 seconds. The ignite server load is very slow. > > I wonder to know how to increase the CPU utilization to increase the > performance? > > > > Thanks > > Shawn > > > -- Vladislav Pyatkov
