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Add new user variables for tuning memory usage:

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query_alloc_block_size, query_prealloc_size, range_alloc_block_size,transaction_alloc_block_size and transaction_prealloc_size
Add more checks for "out of memory" detection in range optimization
This commit is contained in:
monty@mashka.mysql.fi
2003-10-11 22:00:24 +03:00
parent 9bba878b8c
commit c95d142f8f
21 changed files with 257 additions and 81 deletions
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27
sql/sql_test.cc
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@@ -22,6 +22,7 @@
#include "sql_select.h"
#include <hash.h>
#include <thr_alarm.h>
#include <malloc.h>
/* Intern key cache variables */
extern "C" pthread_mutex_t THR_LOCK_keycache;
@@ -257,6 +258,32 @@ Next alarm time: %lu\n",
thd->proc_info="malloc";
my_checkmalloc();
TERMINATE(stdout); // Write malloc information
#ifdef HAVE_MALLINFO
struct mallinfo info= mallinfo();
printf("\nMemory status:\n\
Non-mmapped space allocated from system: %d\n\
Number of free chunks: %d\n\
Number of fastbin blocks: %d\n\
Number of mmapped regions: %d\n\
Space in mmapped regions: %d\n\
Maximum total allocated space: %d\n\
Space available in freed fastbin blocks: %d\n\
Total allocated space: %d\n\
Total free space: %d\n\
Top-most, releasable space: %d\n",
(int) info.arena,
(int) info.ordblks,
(int) info.smblks,
(int) info.hblks,
(int) info.hblkhd,
(int) info.usmblks,
(int) info.fsmblks,
(int) info.uordblks,
(int) info.fordblks,
(int) info.keepcost);
#endif
puts("");
if (thd)
thd->proc_info=0;
}