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Type: Bug
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Resolution: Works as Designed
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Priority: Major - P3
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None
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Affects Version/s: None
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Component/s: Performance
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None
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ALL
In mongod's slow log. I got so many lines like below:
Mon Apr 10 11:05:01.426 I COMMAND [ftdc] serverStatus was very slow:
there are so many lines like above.
from the ftdc flag, I know it is generated from the diagonal thread, but this is not important.
What is important is that time all grows after getting extra_info. Which I found is to run mallinfo() on linux after digging into the code.
I doubt that mallinfo may be slow in some situations because all the slow logs I got is caused by the time-cost after extra_info.
- related to
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SERVER-28693 Use getrusage to collect major page faults in serverStatus.extra_info on Linux
- Closed