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Change the way getRealMemUsage() works on Linux (using statm) #7502

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merged 2 commits into from Feb 25, 2019

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@omoerbeek omoerbeek commented Feb 20, 2019

Short description

Use a less expensive way to get memory stats for rel-memory-usage. You can ask for the old way by explicitly asking for special-memory-usage.
Also, implement a getrusage() based getRealMemUsage() for non-Linux systems.

Checklist

I have:

  • read the CONTRIBUTING.md document
  • compiled this code
  • tested this code
  • included documentation (including possible behaviour changes)
  • documented the code
  • added or modified regression test(s)
  • added or modified unit test(s)
If you want the old (expensive) way, use getSpecialMemUsage()
getSpecialMemUsage() is not included in getAllStatsMap()
Also, implement a getrusage() based getRealMemUsage() for non-Linux systems.
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@omoerbeek omoerbeek merged commit 997feab into PowerDNS:master Feb 25, 2019
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@omoerbeek omoerbeek deleted the omoerbeek:memusage-statm branch Feb 27, 2019
@aerique aerique added this to the auth-4.2.0-beta1 milestone Feb 28, 2019
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3 participants