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Added new status variables to make it easier to debug certain problems:

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- Handler_read_retry
- Update_scan
- Delete_scan
This commit is contained in:
Monty
2016-08-21 20:18:39 +03:00
parent 8d5a0d650b
commit 6f31dd093a
48 changed files with 329 additions and 99 deletions
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4
sql/sql_class.h
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@ -666,9 +666,11 @@ typedef struct system_status_var
ulong ha_read_key_count;
ulong ha_read_next_count;
ulong ha_read_prev_count;
ulong ha_read_retry_count;
ulong ha_read_rnd_count;
ulong ha_read_rnd_next_count;
ulong ha_read_rnd_deleted_count;
/*
This number doesn't include calls to the default implementation and
calls made by range access. The intent is to count only calls made by
@ -702,6 +704,8 @@ typedef struct system_status_var
ulong select_range_count_;
ulong select_range_check_count_;
ulong select_scan_count_;
ulong update_scan_count;
ulong delete_scan_count;
ulong executed_triggers;
ulong long_query_count;
ulong filesort_merge_passes_;