Details
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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 10.2.2, 10.3.0, 10.4.0, 10.5.0, 10.8.0, 10.6.0, 10.7.0, 10.9.0
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Component/s: Storage Engine - InnoDB
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Labels:
Description
The InnoDB counters num_index_pages_written and num_non_index_pages_written were added in MariaDB Server 10.1.0 and inadvertently disabled in MariaDB Server 10.2.2 when the instructions to increment these counters were removed from the function fil_io().
Let us remove these counters that never reported anything useful. If such statistics are really needed in a special case, they can be obtained by instrumenting the code by some means, such as eBPF or a source code patch.
Attachments
Issue Links
- relates to
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MDEV-28541 Unused counter Innodb_encryption_key_rotation_list_length
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- Closed
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MDEV-21212 buf_page_get_gen -> buf_pool->stat.n_page_gets++ is a cpu waste (0.5-1%)
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- Closed
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