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Question 296 - XK0-005 discussion

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Linux system users report that over the past few months, a server has stopped responding at least twice each day. Every time this happens, the users have to restart the server to recover it. A systems administrator diagnosing the issue collects the following outputs:

csharp

Output 1

[Tue Aug 31 16:36:42 2021] oom-killer invoked by java: gfp_mask=0x280da2 order=0, oom_score_adj=0

[Tue Aug 31 16:36:42 2021] java cpuset=/ mems_allowed=0

makefile

Output 2

[root@server]# free -m

total used free shared buff/cache available

Mem: 15819 15026 174 92 619 134

Swap: 0 0 0

Which of the following is the best permanent resolution for the system?

A.

More memory resources

Answers
A.

More memory resources

B.

More CPU resources

Answers
B.

More CPU resources

C.

More network bandwidth

Answers
C.

More network bandwidth

D.

Extended root filesystem

Answers
D.

Extended root filesystem

Suggested answer: A

Explanation:

The oom-killer is invoked when the system runs out of memory, as indicated by the memory usage in the free -m output. Since swap space is not being used and physical memory is almost entirely consumed, adding more memory resources will prevent the system from running out of memory and invoking the oom-killer to terminate processes.

asked 09/10/2024
marco giovinazzo
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