shuangquansq commented on issue #11251:
URL: https://github.com/apache/ignite/issues/11251#issuecomment-1982651619
hi, ptupitsyn
the error log:
Caused by: java.io.IOException: java.lang.OutOfMemoryError**: Cannot
reserve 131072 bytes of direct buffer memory (allocated: 2411594182, limit:
2411724800)**,
is direct memory for off-heap, not he heap memory. Our jvm paramter:
-XX:MaxRAMPercentage=35.0
-Xms1g
-XX:MetaspaceSize=128m
-XX:MaxMetaspaceSize=512m
-XX:MaxDirectMemorySize=2300m
-XX:+UseG1GC
-XX:MaxGCPauseMillis=200
-XX:G1ReservePercent=15
-XX:InitiatingHeapOccupancyPercent=45
-XX:+ExplicitGCInvokesConcurrent
-XX:+AlwaysPreTouch
-XX:AutoBoxCacheMax=20000
-XX:+ScavengeBeforeFullGC
-XX:+UseStringDeduplication
-XX:MaxHeapFreeRatio=40
-XX:MaxDirectMemorySize=2300m is equal 2411724800.
The memory usage usual over 90%. 8*0.9=7.2G。
jvm heap：8G*35%=2.8G
jvm meta：128+512=640M=0.64G
jvm directMemory=2.3G
Total is 5.74. The memory 7.2-5.74=1.46G, we don't know where it used.
Maybe happen memory leak.
Thanks.
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