Hi, Can you share configuration or even a code that you use? It would be nice to have a reproducer for this.
Thanks, Evgenii вт, 17 мар. 2020 г. в 03:27, dbutkovic <dren.butko...@gmail.com>: > Hello, > I recently installed Ignite 2.8.0 on one node for test pourpose and noticed > Heap mem issue that I didn't have on 2.7.6. > The Ignite configuration of dataStorageConfiguration / > DataRegionConfiguration is identical. > In production I have two nodes (2.7.6) and for test purpose (2.8.0) only > one > node. > The application consists of Apache Flume that inserts data into the cache > and several Python scripts that read/write data from/into tables using SQL > queries. > Does anyone have experience with this behavior on Ignite 2.8.0. ? > I tested using pyignite 0.3.4 and pygridgain 1.1.0. > The same issue occurs on GridGain CE 8.7.12. > On Ignite 2.7.5 with same application there is no issues with Heap mem. > The screenshots below show that on Ignite 2.7.6 Heap Mem is always within > normal ranges. > One second screenshot Ignite 2.8.0. Heap mem only grows and application > stops when the OOM happens. :-( > > JVM_OPTS > -XX:+UseG1GC > -XX:+AlwaysPreTouch > -XX:+ScavengeBeforeFullGC > -XX:+DisableExplicitGC > -Xms512m -Xmx1g > > Metrics for local node (to disable set 'metricsLogFrequency' to 0) > ^-- Node [id=1ce47741, name=UMBOSS, uptime=00:46:08.050] > ^-- H/N/C [hosts=1, nodes=2, CPUs=8] > ^-- CPU [cur=52.07%, avg=12.77%, GC=24.1%] > ^-- PageMemory [pages=115217] > ^-- Heap [used=1001MB, free=2.15%, comm=1024MB] > ^-- Off-heap [used=455MB, free=80.61%, comm=1480MB] > ^-- sysMemPlc region [used=0MB, free=99.99%, comm=100MB] > ^-- metastoreMemPlc region [used=0MB, free=99.95%, comm=0MB] > ^-- PersistDataRegion region [used=440MB, free=56.95%, comm=1024MB] > ^-- TxLog region [used=0MB, free=100%, comm=100MB] > ^-- DefaultDataRegion region [used=14MB, free=98.59%, comm=256MB] > ^-- Ignite persistence [used=479MB] > ^-- sysMemPlc region [used=0MB] > ^-- metastoreMemPlc region [used=0MB] > ^-- PersistDataRegion region [used=479MB] > ^-- TxLog region [used=0MB] > ^-- Outbound messages queue [size=0] > ^-- Public thread pool [active=0, idle=0, qSize=0] > ^-- System thread pool [active=1, idle=4, qSize=0] > > > > Best regards > > Dren > > < > http://apache-ignite-users.70518.x6.nabble.com/file/t2557/Ignite_Heap_mem_issue.jpg> > > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >