Hello! Unfortunately it's hard to reason what happens here. Does it also happen if you limit heap to 2G? Do you have more than one node on the same machine?
Regards, -- Ilya Kasnacheev пт, 26 июл. 2019 г. в 22:00, nikhil dhiman <[email protected]>: > Thank Igor, > But the problem remains the same. Just to give more clarity. > I am doing load testing on 2 cache keys, with almost 500 Hits per > second which includes get, put and remove. > So when I start with 1 server and my clients, it works fine, but when > I try to add more nodes to my cluster, my initial node fails. > > On Fri, Jul 26, 2019 at 5:29 PM Igor Belyakov <[email protected]> > wrote: > > > > Hi Nikhil, > > > > You've specified 4gb for heap size and 4gb for data regions in off heap > memory, it's 8gb in total. Since operation system also consumes some amount > of memory, 8gb of RAM isn't enough for your case. You should try to reduce > heap size/data regions size or increase amount of RAM in your system. > > > > Regards, > > Igor > > > > On Fri, Jul 26, 2019 at 1:20 PM nikhil dhiman <[email protected]> > wrote: > >> > >> I am running java application having Ignite 2.7.5 as dependency > >> java -Xms4g -Xmx4g -XX:+AlwaysPreTouch -XX:+UseG1GC > -XX:+ScavengeBeforeFullGC -XX:+DisableExplicitGC -server > -XX:MaxMetaspaceSize=256m -XX:+HeapDumpOnOutOfMemoryError > -XX:+ExitOnOutOfMemoryError -jar > target/java_simple-1.0-SNAPSHOT-jar-with-dependencies.jar > >> > >> This application does nothing except running Ignite server. > >> > >> I have specified max memory as 4g and also internal data region memory > as ~ 4g with eviction policy defined. > >> DataRegionConfiguration regionCfg = new DataRegionConfiguration(); > >> regionCfg.setName("chat"); > >> regionCfg.setMaxSize(2000L * 1024*1024); > >> regionCfg.setInitialSize(1100L * 1024 *1024); > >> > regionCfg.setPageEvictionMode(DataPageEvictionMode.RANDOM_LRU); > >> regionCfg.setEvictionThreshold(.7); > >> regionCfg.setMetricsEnabled(true); > >> DataRegionConfiguration regionCfg2 = new > DataRegionConfiguration(); > >> regionCfg2.setName("btc"); > >> regionCfg2.setMaxSize(2000L * 1024*1024); > >> regionCfg2.setInitialSize(1100L * 1024 *1024); > >> > regionCfg2.setPageEvictionMode(DataPageEvictionMode.RANDOM_LRU); > >> regionCfg2.setEvictionThreshold(.7); > >> regionCfg2.setMetricsEnabled(true); > >> storageCfg.setDataRegionConfigurations(regionCfg2, regionCfg); > >> cfg.setDataStorageConfiguration(storageCfg); > >> > >> I am hitting ignite server with 18 clients with average get/put/remove > operation of 2k hits per second. > >> System on which ignite is running has around 8G of ram. > >> > >> When I run my clients[From different server] that hit the Ignite server > for few minutes, it consumes all my system RAM[Ignite server] and it stops > with OOM error. > >> > >> I don't understand why it goes beyond the memory specified in the data > region. > >> > >> Thanks & Regards, > >> Nikhil Dhiman >
