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  1. MariaDB Server
  2. MDEV-34641

MariaDB server getting stuck when ntp server switch time in midst of start up

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Details

    • Bug
    • Status: Open (View Workflow)
    • Critical
    • Resolution: Unresolved
    • 10.6.16, 10.11.6
    • 10.6, 10.11
    • Server
    • None
    • MLOS is based out of CentOS 7.

      Linux MLOS-NSM 4.19.245-3.mlos3.x86_64 #1 SMP Wed Jul 19 06:01:56 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

    Description

      The Mariadb process become non-responsive in 1-3 days time after its start in environment where NTP is enabled.

      This could be specifically seen when the ntp server switches system time in the middle on mariadb server start up.

      Checking the process list on DB shows all the queries in stuck state

      below is strace on the mariadb server process :

      The issue is not seen on 10.6.14-MariaDB-log MariaDB Server . The problems start appearing after we upgraded to 10.6.16-MariaDB-log MariaDB Server & 10.11.6-MariaDB-log

      Attachments

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-32861 InnoDB hangs when running out of I/O slots

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33669 mariabackup --backup hangs

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33820 Deadlock if system time changes repeatedly during concurrent INSERTs

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33594 Invoking log_free_check() while holding exclusive dictionary latch may block most InnoDB threads for a long time

          • Major - Major loss of function.
          • Confirmed

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            People

              danblack Daniel Black
              ullasram Ullas Ramakrishnan
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              Dates

                Created:
                Updated:

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