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    Solved lots of Docker cgroup stats errors in collectd.log

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    • rmdes
      rmdes last edited by girish

      I was hunting for errors in log files and opened /home/yellowtent/platformdata/collectd/collectd.log
      and found a looping error with a bunch of docker related stats :

      grc tail -f collectd.log
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/cpuacct/docker/b56b4b70255b56ee525ec4fde1270e883edf02004ad74c9f45b471acae66381a/cpuacct.stat": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/memory/docker/17d1a87b2d51ec25363c25c28cf7162d768c98cd55ccbc52ced9956be60177c5/memory.stat": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/memory/docker/17d1a87b2d51ec25363c25c28cf7162d768c98cd55ccbc52ced9956be60177c5/memory.max_usage_in_bytes": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/cpuacct/docker/17d1a87b2d51ec25363c25c28cf7162d768c98cd55ccbc52ced9956be60177c5/cpuacct.stat": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/memory/docker/233854ae0b305dda70224075e463401935d85c6ab17d870b4849390932d63340/memory.stat": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/memory/docker/233854ae0b305dda70224075e463401935d85c6ab17d870b4849390932d63340/memory.max_usage_in_bytes": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/cpuacct/docker/233854ae0b305dda70224075e463401935d85c6ab17d870b4849390932d63340/cpuacct.stat": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/memory/docker/e9f05fd49280fa6bd4c3029c74046b7a187bc3ca1e9b8e2c2ee08774dea77c56/memory.stat": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/memory/docker/e9f05fd49280fa6bd4c3029c74046b7a187bc3ca1e9b8e2c2ee08774dea77c56/memory.max_usage_in_bytes": No such file or directory.
      [2020-11-09 16:17:49] table plugin: Failed to open file "/sys/fs/cgroup/cpuacct/docker/e9f05fd49280fa6bd4c3029c74046b7a187bc3ca1e9b8e2c2ee08774dea77c56/cpuacct.stat": No such file or directory.

      Not sure what's the cause of this but this keep feeding my collectd.log file

      anyone having the same ?

      robi girish 2 Replies Last reply Reply Quote 0
      • robi
        robi @rmdes last edited by robi

        @rmdes I have no such log file there.
        Only collectd.conf and collectd.conf.d/ full of app .conf files.

        However

        in the collectd.conf file this line points to a different path

           File "/home/yellowtent/platformdata/logs/collectd/collectd.log"
        

        this is different from your path.

        Looking there:

        -rw-r--r--  1 yellowtent yellowtent 6.1M Nov  9 16:30 collectd.log
        -rw-r--r--  1 yellowtent yellowtent  11M Nov  7 06:25 collectd.log.1
        

        same errors.

        Life of Advanced Technology

        1 Reply Last reply Reply Quote 0
        • girish
          girish Staff @rmdes last edited by

          Ah, this happens because those apps are "stopped" and thus there are no metrics to collect.

          1 Reply Last reply Reply Quote 0
          • girish
            girish Staff last edited by

            This is fixed in the next release. Thanks for reporting!

            1 Reply Last reply Reply Quote 2
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