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  1. MariaDB Server
  2. MDEV-40950

Memory pressure event shrunk innodb_buffer_pool_size crash

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Details

    • Can result in hang or crash

    Description

      We have a number of mariadb systems on which an overnight database-check script runs.
      On one of them, which has a smaller amount of RAM but compensating larger swap size the mariadb process crashes overnight

      Crash log attached

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          is caused by

          Task - A task that needs to be done. MDEV-29445 reorganise innodb buffer pool (and remove buffer pool chunks)

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

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              marko Marko Mäkelä
              abs David Brownlee
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