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JIRA VM is using more 12GB memory when JIRA XmX is configure for

Current JIRA java process Memory is set to Xms3584m -Xmx4068m

when doing top on the box 

%Cpu(s): 0.2 us, 0.4 sy, 0.0 ni, 99.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 15232996 total, 550176 free, 5315164 used, 9367656 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 9386832 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
18527 jira 20 0 10.4g 3.8g 26064 S 0.0 26.0 131:40.05 java

 

$ free -m
total used free shared buff/cache available
Mem: 14875 5188 539 88 9148 9168
Swap: 0 0 0

 

Why is JIRA java process has such a big virtual address space ? do I need to increase RAM on server .

 

1 answer

0 votes

Hi! 

Because java use not only heap memory, + stack size, code cache, meta space, other things. 

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