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  1. MariaDB Server
  2. MDEV-27917

Some redo log diagnostics is always reported as 0

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      The InnoDB monitor counter log_sys.n_log_ios was almost removed in MDEV-14425. This counter was rather meaningless already since MDEV-21534 introduced a redo log group commit mechanism, and on the persistent memory interface there are no file system calls that could be counted. With MDEV-14425, the only case when the counter is updated is when the log file is being read during crash recovery.

      Some related InnoDB monitor output in log_print() as well as the information_schema.innodb_metrics counter log_num_log_io are best removed.

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              Assignee:
              marko Marko Mäkelä
              Reporter:
              marko Marko Mäkelä
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