Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-17465

--use-system-tcmalloc does not support tcmalloc setParameters and extension

    XMLWordPrintable

Details

    • Bug
    • Status: Closed
    • Minor - P4
    • Resolution: Fixed
    • None
    • 3.0.3, 3.1.1
    • Build, Internal Code
    • None
    • Fully Compatible
    • ALL

    Description

      There are two runtime parameters for tcmalloc that will have undefined behavior if mongod is compiled with --use-system-tcmalloc:

      	"tcmallocAggressiveMemoryDecommit" : 1,
      	"tcmallocMaxTotalThreadCacheBytes" : NumberLong(1073741824),

      We need to fix the includes in:
      src/mongo/util/tcmalloc_set_parameter.cpp
      src/mongo/util/tcmalloc_server_status_section.cpp

      And ifdef out the extension made to tcmalloc (GetThreadCacheSize())

      Attachments

        Activity

          People

            andrew.morrow@mongodb.com Andrew Morrow
            dan@mongodb.com Daniel Pasette
            Votes:
            0 Vote for this issue
            Watchers:
            5 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: