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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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20
sql/mysqld.h
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@ -790,26 +790,6 @@ inline void table_case_convert(char * name, uint length)
name, length, name, length);
}
inline void thread_safe_increment32(int32 *value)
{
(void) my_atomic_add32_explicit(value, 1, MY_MEMORY_ORDER_RELAXED);
}
inline void thread_safe_decrement32(int32 *value)
{
(void) my_atomic_add32_explicit(value, -1, MY_MEMORY_ORDER_RELAXED);
}
inline void thread_safe_increment64(int64 *value)
{
(void) my_atomic_add64_explicit(value, 1, MY_MEMORY_ORDER_RELAXED);
}
inline void thread_safe_decrement64(int64 *value)
{
(void) my_atomic_add64_explicit(value, -1, MY_MEMORY_ORDER_RELAXED);
}
extern void set_server_version(char *buf, size_t size);
#define current_thd _current_thd()