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  1. Core Server
  2. SERVER-18026

possible leak memory of mongos

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Done
    • Affects Version/s: 2.4.11, 2.4.12
    • Fix Version/s: None
    • Component/s: Replication, Sharding
    • Labels:
      None
    • Operating System:
      ALL

      Description

      Each mongos eat about more than 1.5GB RSS memory after running for about 2 months of all instances. It possible exist memory leak.

      # 2.4.11
      mongodb  26249  5.1 24.6 3945632 3029044 ?     Ssl  Feb06 5018:09 /usr/bin/mongos --config /etc/mongos.conf
      # 2.4.11
      mongodb   4418  6.5 25.6 4064288 3155864 ?     Ssl  Feb06 6316:31 /usr/bin/mongos --config /etc/mongos.conf
      # 2.4.12
      mongodb   7360  6.2 13.1 2501396 1621196 ?     Ssl  Feb06 6078:39 /usr/bin/mongos --config /etc/mongos.conf
      # 2.4.12
      mongodb  14184  6.6 15.8 2807588 1953808 ?     Ssl  Feb06 6464:35 /usr/bin/mongos --config /etc/mongos.conf
      

      and this one eat 500MB RSS memory after running for about 10 days

      # 2.4.12
      mongodb  29773  5.0  4.3 1385172 539880 ?      Ssl  Apr05 653:06 /usr/bin/mongos --config /etc/mongos.conf
      

      and some other info

      # 2.4.11
      x@y1:~$ mongos --version
      MongoS version 2.4.11 starting: pid=23921 port=27017 64-bit host=y1 (--help for usage)
      git version: fa13d1ee8da0f112f588570b4070f73d7af2f7fd
      build sys info: Linux ip-10-2-29-40 2.6.21.7-2.ec2.v1.2.fc8xen #1 SMP Fri Nov 20 17:48:28 EST 2009 x86_64 BOOST_LIB_VERSION=1_49
      x@y1:~$  ldd /usr/bin/mongos
      	linux-vdso.so.1 =>  (0x00007ffffb7ff000)
      	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f0e509f7000)
      	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f0e507ef000)
      	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f0e504ee000)
      	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f0e501f2000)
      	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f0e4ffdc000)
      	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f0e4fc1c000)
      	/lib64/ld-linux-x86-64.so.2 (0x00007f0e50c1f000)
       
      #2.4.12
      x@y2:~$ mongos --version
      MongoS version 2.4.12 starting: pid=3914 port=27017 64-bit host=y2 (--help for usage)
      git version: 09917767b116f4ff1c0eadda1e8bc5db30828500
      build sys info: Linux ip-10-142-184-243 2.6.21.7-2.ec2.v1.2.fc8xen #1 SMP Fri Nov 20 17:48:28 EST 2009 x86_64 BOOST_LIB_VERSION=1_49
      x@y2:~$ ldd /usr/bin/mongos
      	linux-vdso.so.1 =>  (0x00007fffa97f2000)
      	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fd587205000)
      	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007fd586ffd000)
      	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007fd586cfc000)
      	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fd586a00000)
      	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007fd5867ea000)
      	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fd58642a000)
      	/lib64/ld-linux-x86-64.so.2 (0x00007fd58742c000)
      

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            Assignee:
            ramon.fernandez Ramon Fernandez Marina
            Reporter:
            wujiangcheng Jiangcheng Wu
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              Dates

              Created:
              Updated:
              Resolved: