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  1. Core Server
  2. SERVER-11205

When NUMA machine detected: add "disable zone reclaim" to startup warnings

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    • Type: Icon: Improvement Improvement
    • Resolution: Duplicate
    • Priority: Icon: Trivial - P5 Trivial - P5
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    • Affects Version/s: None
    • Component/s: Admin
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       "Tue Oct 15 18:14:04 [initandlisten] ",
 "Tue Oct 15 18:14:04 [initandlisten] ** WARNING: You are running on a NUMA machine.",
 "Tue Oct 15 18:14:04 [initandlisten] **          We suggest launching mongod like this to avoid performance problems:",
 "Tue Oct 15 18:14:04 [initandlisten] **              numactl --interleave=all mongod [other options]",
 "Tue Oct 15 18:14:04 [initandlisten] "

      Should add in:

      Then, disable zone reclaim in the proc settings using the following command:

echo 0 > /proc/sys/vm/zone_reclaim_mode

            Assignee:
            mathias@mongodb.com Mathias Stearn
            Reporter:
            jason.zucchetto Jason Zucchetto
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              Created:
              Updated:
              Resolved: