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MDEV-17845 Extreme high open file limit used

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SHOW STATUS LIKE 'Open_files' was showing 18446744073709551615

my_file_opened used statistic_increment/statistic_decrement,
so one-off errors were normal and expected. But they confused
monitoring tools, so let's move my_file_opened to use atomics.
This commit is contained in:
Sergei Golubchik
2019-05-04 13:11:25 +02:00
parent 3d7e06d4ab
commit 15c79c41e4
8 changed files with 36 additions and 35 deletions
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3
include/my_sys.h
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@@ -261,10 +261,11 @@ extern ulonglong my_collation_statistics_get_use_count(uint id);
extern const char *my_collation_get_tailoring(uint id);
/* statistics */
extern ulong my_file_opened,my_stream_opened, my_tmp_file_created;
extern ulong my_stream_opened, my_tmp_file_created;
extern ulong my_file_total_opened;
extern ulong my_sync_count;
extern uint mysys_usage_id;
extern int32 my_file_opened;
extern my_bool my_init_done, my_thr_key_mysys_exists;
extern my_bool my_assert_on_error;
extern myf my_global_flags; /* Set to MY_WME for more error messages */