Barry Oglesby created GEODE-2883:
------------------------------------
Summary: gfsh gc reports incorrect heap sizes
Key: GEODE-2883
URL: https://issues.apache.org/jira/browse/GEODE-2883
Project: Geode
Issue Type: Bug
Components: gfsh
Reporter: Barry Oglesby
I have 3 servers each with -Xms1g and -Xmx1g, and I load some data.
If I run a gfsh gc, it reports:
{noformat}
GC Summary
Member ID/Name | HeapSize (MB) Before GC | HeapSize(MB) After GC |
Time Taken for GC in ms
--------------------------- | ----------------------- | --------------------- |
-----------------------
192.168.2.7(98588)<v7>:1025 | 2078 | 1098 |
516
192.168.2.7(98602)<v9>:1027 | 1942 | 1110 |
530
192.168.2.7(98595)<v8>:1026 | 2019 | 1109 |
531
{noformat}
The heap sizes before and after are higher than they should be.
I added some debugging in the GarbageCollectionFunction, and it shows:
{noformat}
GarbageCollectionFunction.execute freeMemoryBeforeGC=765581248;
totalMemoryBeforeGC=1037959168
GarbageCollectionFunction.execute freeMemoryAfterGC=893946464;
totalMemoryAfterGC=1037959168
GarbageCollectionFunction.execute HeapSizeBeforeGC=2078
GarbageCollectionFunction.execute HeapSizeAfterGC=1098
GarbageCollectionFunction.execute freeMemoryBeforeGC=773307528;
totalMemoryBeforeGC=1037959168
GarbageCollectionFunction.execute freeMemoryAfterGC=892508088;
totalMemoryAfterGC=1037959168
GarbageCollectionFunction.execute HeapSizeBeforeGC=2019
GarbageCollectionFunction.execute HeapSizeAfterGC=1109
GarbageCollectionFunction.execute freeMemoryBeforeGC=783373464;
totalMemoryBeforeGC=1037959168
GarbageCollectionFunction.execute freeMemoryAfterGC=892349664;
totalMemoryAfterGC=1037959168
GarbageCollectionFunction.execute HeapSizeBeforeGC=1942
GarbageCollectionFunction.execute HeapSizeAfterGC=1110
{noformat}
The free and total memory are fine, but the heap sizes before and after are
incorrect.
The function is using 131072 as its divisor
{noformat}
1037959168-765581248=272377920 / 131072 = 2078
1037959168-893946464=144012704 / 131072 = 1098
{noformat}
It should be using 1024*1024.
{noformat}
1037959168-765581248=272377920 / (1024*1024) = 259
1037959168-893946464=144012704 / (1024*1024) = 137
{noformat}
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
