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/
>

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