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Improved concurrency for key cache reassignment


include/my_sys.h:
  Improved concurrency for key cache reassignment
include/myisam.h:
  Improved concurrency for key cache reassignment
myisam/mi_keycache.c:
  Improved concurrency for key cache reassignment
myisam/mi_locking.c:
  Improved concurrency for key cache reassignment
mysys/mf_keycache.c:
  Improved concurrency for key cache reassignment
sql/ha_myisam.cc:
  Improved concurrency for key cache reassignment
sql/sql_table.cc:
  Improved concurrency for key cache reassignment
This commit is contained in:
unknown
2003-10-01 18:20:07 -07:00
parent 5a85cb66be
commit 7de7c38f2f
7 changed files with 89 additions and 21 deletions
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6
include/my_sys.h
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@ -262,7 +262,8 @@ enum cache_type
enum flush_type
{
FLUSH_KEEP, FLUSH_RELEASE, FLUSH_IGNORE_CHANGED, FLUSH_FORCE_WRITE
FLUSH_KEEP, FLUSH_RELEASE, FLUSH_IGNORE_CHANGED, FLUSH_FORCE_WRITE,
FLUSH_REMOVE
};
typedef struct st_record_cache /* Used when cacheing records */
@ -527,6 +528,9 @@ typedef struct st_key_cache_var
ulong cache_read; /* number of reads from files to the cache */
int blocks; /* max number of blocks in the cache */
struct st_key_cache_asmt *assign_list; /* list of assignments to the cache */
int assignments; /* number of not completed assignments */
void (*action)(void *); /* optional call back function */
void *extra_info; /* ptr to extra info */
} KEY_CACHE_VAR;
#define DEFAULT_KEY_CACHE_NAME "default"