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  1. MariaDB Server
  2. MDEV-14714

mysqld writes status information on HUP signal into innodb data file, breaking it

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.2.11
    • 10.2.12
    • Server
    • None
    • FreeBSD 11.1-RELEASE-p4 amd64
      build from port databases/mariadb102-server

    Description

      Steps to reproduce on FreeBSD 11.1 amd64 box

      cd /usr/ports/databases/maraidb102-server
      		 
      make install
      		 
      select only INNODB engine and GSSAPI_NONE
      		 
      service mysql-server onestart
      		 
      killall -HUP mysqld
      		 
      head /var/db/mysql/ibdata1

      You will see a "Status information" here, instead of error_log file. It breaks database completely, mysqld will hung or crash in seconds depending on load

      On production server also error_log file will be flooded with gigs of binary data which I think are actual data should be written into ibdata1

      10.2.10 is not affected, 10.2.11 on Ubuntu 16.04 from official repo also isn't affected

      Attachments

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. MDEV-14889 Server fails to start because of aria_log_control-file

          • Major - Major loss of function.
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-14337 mysqld_safe may suppress error messages with --log-output=file

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-14644 MariaDB 10.2.11 breaks binary logging after nightly log cycle

          • Major - Major loss of function.
          • Closed
          relates to

          Technical task - A technical task. MDEV-14488 logging not happening on spider branch builds

          • Major - Major loss of function.
          • Closed

          Activity

            People

              serg Sergei Golubchik
              hempalex Alexander Mikhailov
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              Dates

                Created:
                Updated:
                Resolved:

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