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  1. MariaDB Server
  2. MDEV-27919

mariabackup --log-copy-interval is measured in milliseconds in 10.5 and in microseconds in 10.6

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      Hi, all MariaBackup developers.

      We have two MariaDB clusters, which both version 10.0.x

      And recently upgraded from 10.0.x to 10.6.2
      But I found that the log ">> log scanned up to (...)" print too fast, overwhelming the stdout/stderr. (the log file size is occupied by several gigabytes)

      But as I tested, when I upgraded from 10.0.x to 10.5.x, the log ">> log scanned up to (...)" is not so overwhelming. (the log file size is occupied by several megabytes)

      FYI, Recovered from the same database backup.

      It sounds like a bug in mariabackup, since the --log-copy-interval (default is 1000ms) can't control the log output frequency.

      # 10.5 MariaBackup
      		 
      # One log per second
      		 
      [00] 2022-02-14 17:50:25 >> log scanned up to (46200984432003)
      		 
      [00] 2022-02-14 17:50:26 >> log scanned up to (46200984454330)
      		 
      [00] 2022-02-14 17:50:27 >> log scanned up to (46200984469322)
      		 
      [00] 2022-02-14 17:50:28 >> log scanned up to (46200984491853)
      		 
      [00] 2022-02-14 17:50:29 >> log scanned up to (46200984529292)
      		 
      [00] 2022-02-14 17:50:30 >> log scanned up to (46200984561329)
      		 
       
      		 
      # 10.6 MariaBackup
      		 
      # --log-copy-interval=1000 is not working for 10.6
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221905582)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221906153)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221906805)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221906805)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221906805)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221907586)
      		 
      [00] 2022-02-22 17:11:48 >> log scanned up to (46276221908255)

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-25765 Mariabackup reduced verbosity option for log output.

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

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              vlad.lesin Vladislav Lesin
              hcooper Harvey Cooper
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                Updated:
                Resolved:

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