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Improve performance for calculating memory allocation

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Extend interface for 'show variables' with current scope
This commit is contained in:
Monty
2015-02-01 15:24:22 +02:00
parent 67b24a2374
commit 0ee879ff8a
17 changed files with 193 additions and 79 deletions
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7
sql/sql_class.h
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@ -760,7 +760,10 @@ typedef struct system_status_var
double last_query_cost;
double cpu_time, busy_time;
/* Don't initialize */
volatile int64 memory_used; /* This shouldn't be accumulated */
/* Memory used for thread local storage */
volatile int64 local_memory_used;
/* Memory allocated for global usage */
volatile int64 global_memory_used;
} STATUS_VAR;
/*
@ -770,7 +773,7 @@ typedef struct system_status_var
*/
#define last_system_status_var questions
#define last_cleared_system_status_var memory_used
#define last_cleared_system_status_var local_memory_used
/*
Global status variables