Re: JVM tuning parameters

2019-04-01 Thread Andrey Gura
Hi, I don't see any mentions of OOM. Provided log message reports blocking of db-checkpoint-thread. I think worker tries to acquire checkpoint read lock. Stack trace corresponds to the thread that detected blocking. Failure handler prints out threads dump to the log. This thread dump can help in

Re: JVM tuning parameters

2019-03-30 Thread Denis Magda
Hi, How does the JVM error look like? Apart from that, Andrey, Igniters, the failure handler fired off but I have no glue from the shared logs what happened or how it is connected to the Java heap issues. Should I expect to see anything from the logs not added to the thread? -- Denis Magda On

Re: JVM tuning parameters

2019-03-29 Thread Yakov Zhdanov
If you have all tables colocated with each other, i.e. having the same affinity function and backups count then you can try using cache groups - https://apacheignite.readme.io/docs/cache-groups --Yakov пт, 29 мар. 2019 г. в 08:49, ashfaq : > We are testing and also the production data would be

Re: JVM tuning parameters

2019-03-28 Thread ashfaq
We are testing and also the production data would be so much. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

JVM tuning parameters

2019-03-28 Thread ashfaq
Hi Team, We are installing ignite on kubernetes environment with native persistence enabled. When we try to create around 400 tables using the sqlline end point , the pods are restarting after creating 200 tables with jvm heap error so we have increased the java heap size from 1GB to 2GB and

Re: JVM tuning parameters

2019-03-28 Thread Ilya Kasnacheev
Hello! Ignite has around 20M heap overhead per table, this means 6G for 300 tables. Why do you need so many tables? Regards, -- Ilya Kasnacheev чт, 28 мар. 2019 г. в 14:47, ashfaq : > Hi Team, > > We are installing ignite on kubernetes environment with native persistence > enabled. When we