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  1. Core Server
  2. SERVER-28407

swap space consumption

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    • Icon: Bug Bug
    • Resolution: Incomplete
    • Icon: Minor - P4 Minor - P4
    • None
    • 3.2.11
    • WiredTiger
    • None
    • ALL

    Description

      Hello,

      Since upgrading to 3.2.x (maybe .10 or 11) we have seen mongo consuming swap space on our servers.

      At the beginning of this graph is when we have restarted mongod freeing up the swap. Adding more swap provides a longer time period before we require restarting mongod. So far I have not found the upper limit to what mongod will consume. The max we have added is 8gb of swapfile.

                   total       used       free     shared    buffers     cached
      Mem:           59G        59G       444M       724K        27M        26G
      -/+ buffers/cache:        32G        27G
      Swap:         2.0G       1.8G       254M
      

      Kind regards,
      Luke

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            mark.agarunov Mark Agarunov
            lukemorfitt Luke Morfitt
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