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Bug#12920 - key_read_requests counter appears to re-set

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After merge fix.


include/keycache.h:
  Bug#12920 - key_read_requests counter appears to re-set
  After merge fix.
  Status variables moved into KEY_CACHE in 4.1.
  Enlarging them there.
include/my_sys.h:
  Bug#12920 - key_read_requests counter appears to re-set
  After merge fix.
  Status variables moved into KEY_CACHE in 4.1.
  Removed unused global variables.
myisam/mi_test2.c:
  Bug#12920 - key_read_requests counter appears to re-set
  After merge fix.
  Status variables moved into KEY_CACHE in 4.1.
  Changed to print default key cache status.
mysys/mf_keycache.c:
  Bug#12920 - key_read_requests counter appears to re-set
  After merge fix.
  Status variables moved into KEY_CACHE in 4.1.
  Changed their debug printout.
sql/mysqld.cc:
  Bug#12920 - key_read_requests counter appears to re-set
  After merge fix.
  Changed to print full value.
sql/sql_show.cc:
  Bug#12920 - key_read_requests counter appears to re-set
  After merge fix.
  Added a branch for long long values.
sql/sql_test.cc:
  Bug#12920 - key_read_requests counter appears to re-set
  After merge fix.
  changed to print full values.
sql/structs.h:
  Bug#12920 - key_read_requests counter appears to re-set
  After merge fix.
  Added a branch for long long keycache values.
This commit is contained in:
unknown 2005-09-14 13:18:16 +02:00
parent 683e228a26
commit 5fe65297d2
8 changed files with 39 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
include/keycache.h
View File

@ -90,10 +90,10 @@ typedef struct st_key_cache
/* Statistics variables. These are reset in reset_key_cache_counters(). */
ulong global_blocks_changed; /* number of currently dirty blocks */
ulong global_cache_w_requests;/* number of write requests (write hits) */
ulong global_cache_write; /* number of writes from the cache to files */
ulong global_cache_r_requests;/* number of read requests (read hits) */
ulong global_cache_read; /* number of reads from files to the cache */
ulonglong global_cache_w_requests;/* number of write requests (write hits) */
ulonglong global_cache_write; /* number of writes from cache to files */
ulonglong global_cache_r_requests;/* number of read requests (read hits) */
ulonglong global_cache_read; /* number of reads from files to cache */
int blocks; /* max number of blocks in the cache */
my_bool in_init; /* Set to 1 in MySQL during init/resize */

3
include/my_sys.h
View File

@ -216,9 +216,6 @@ extern CHARSET_INFO *all_charsets[256];
extern CHARSET_INFO compiled_charsets[];
/* statistics */
extern ulonglong my_cache_w_requests, my_cache_write;
extern ulonglong my_cache_r_requests, my_cache_read;
extern ulong my_blocks_used, my_blocks_changed;
extern ulong my_file_opened,my_stream_opened, my_tmp_file_created;
extern uint mysys_usage_id;
extern my_bool my_init_done;

10
myisam/mi_test2.c
View File

@ -831,7 +831,6 @@ end:
puts("Locking used");
if (use_blob)
puts("blobs used");
#if 0
printf("key cache status: \n\
blocks used:%10lu\n\
not flushed:%10lu\n\
@ -839,9 +838,12 @@ w_requests: %10lu\n\
writes: %10lu\n\
r_requests: %10lu\n\
reads: %10lu\n",
my_blocks_used, my_blocks_changed,
(ulong) my_cache_w_requests, (ulong) my_cache_write,
(ulong) my_cache_r_requests, (ulong) my_cache_read);
dflt_key_cache->blocks_used,
dflt_key_cache->global_blocks_changed,
(ulong) dflt_key_cache->global_cache_w_requests,
(ulong) dflt_key_cache->global_cache_write,
(ulong) dflt_key_cache->global_cache_r_requests,
(ulong) dflt_key_cache->global_cache_read);
}
end_key_cache(dflt_key_cache,1);
if (blob_buffer)

13
mysys/mf_keycache.c
View File

@ -632,12 +632,13 @@ void end_key_cache(KEY_CACHE *keycache, my_bool cleanup)
keycache->blocks_changed= 0;
}
DBUG_PRINT("status",
("used: %d changed: %d w_requests: %ld \
writes: %ld r_requests: %ld reads: %ld",
keycache->blocks_used, keycache->global_blocks_changed,
keycache->global_cache_w_requests, keycache->global_cache_write,
keycache->global_cache_r_requests, keycache->global_cache_read));
DBUG_PRINT("status", ("used: %d changed: %d w_requests: %lu "
"writes: %lu r_requests: %lu reads: %lu",
keycache->blocks_used, keycache->global_blocks_changed,
(ulong) keycache->global_cache_w_requests,
(ulong) keycache->global_cache_write,
(ulong) keycache->global_cache_r_requests,
(ulong) keycache->global_cache_read));
if (cleanup)
{

8
sql/mysqld.cc
View File

@ -5544,13 +5544,13 @@ struct show_var_st status_vars[]= {
{"Key_blocks_used", (char*) &dflt_key_cache_var.blocks_used,
SHOW_KEY_CACHE_CONST_LONG},
{"Key_read_requests", (char*) &dflt_key_cache_var.global_cache_r_requests,
SHOW_KEY_CACHE_LONG},
SHOW_KEY_CACHE_LONGLONG},
{"Key_reads", (char*) &dflt_key_cache_var.global_cache_read,
SHOW_KEY_CACHE_LONG},
SHOW_KEY_CACHE_LONGLONG},
{"Key_write_requests", (char*) &dflt_key_cache_var.global_cache_w_requests,
SHOW_KEY_CACHE_LONG},
SHOW_KEY_CACHE_LONGLONG},
{"Key_writes", (char*) &dflt_key_cache_var.global_cache_write,
SHOW_KEY_CACHE_LONG},
SHOW_KEY_CACHE_LONGLONG},
{"Max_used_connections", (char*) &max_used_connections, SHOW_LONG},
{"Not_flushed_delayed_rows", (char*) &delayed_rows_in_use, SHOW_LONG_CONST},
{"Open_files", (char*) &my_file_opened, SHOW_LONG_CONST},

4
sql/sql_show.cc
View File

@ -2091,6 +2091,10 @@ int mysqld_show(THD *thd, const char *wild, show_var_st *variables,
value= (value-(char*) &dflt_key_cache_var)+ (char*) dflt_key_cache;
end= int10_to_str(*(long*) value, buff, 10);
break;
case SHOW_KEY_CACHE_LONGLONG:
value= (value-(char*) &dflt_key_cache_var)+ (char*) dflt_key_cache;
end= longlong10_to_str(*(longlong*) value, buff, 10);
break;
case SHOW_UNDEF: // Show never happen
case SHOW_SYS:
break; // Return empty string

19
sql/sql_test.cc
View File

@ -309,6 +309,11 @@ end:
static int print_key_cache_status(const char *name, KEY_CACHE *key_cache)
{
char llbuff1[22];
char llbuff2[22];
char llbuff3[22];
char llbuff4[22];
if (!key_cache->key_cache_inited)
{
printf("%s: Not in use\n", name);
@ -322,16 +327,18 @@ Division_limit: %10lu\n\
Age_limit: %10lu\n\
blocks used: %10lu\n\
not flushed: %10lu\n\
w_requests: %10lu\n\
writes: %10lu\n\
r_requests: %10lu\n\
reads: %10lu\n\n",
w_requests: %10s\n\
writes: %10s\n\
r_requests: %10s\n\
reads: %10s\n\n",
name,
(ulong) key_cache->param_buff_size, key_cache->param_block_size,
key_cache->param_division_limit, key_cache->param_age_threshold,
key_cache->blocks_used,key_cache->global_blocks_changed,
key_cache->global_cache_w_requests,key_cache->global_cache_write,
key_cache->global_cache_r_requests,key_cache->global_cache_read);
llstr(key_cache->global_cache_w_requests,llbuff1),
llstr(key_cache->global_cache_write,llbuff2),
llstr(key_cache->global_cache_r_requests,llbuff3),
llstr(key_cache->global_cache_read,llbuff4));
}
return 0;
}

2
sql/structs.h
View File

@ -181,7 +181,7 @@ enum SHOW_TYPE
SHOW_SSL_GET_CIPHER_LIST,
#endif /* HAVE_OPENSSL */
SHOW_RPL_STATUS, SHOW_SLAVE_RUNNING, SHOW_SLAVE_RETRIED_TRANS,
SHOW_KEY_CACHE_LONG, SHOW_KEY_CACHE_CONST_LONG
SHOW_KEY_CACHE_LONG, SHOW_KEY_CACHE_CONST_LONG, SHOW_KEY_CACHE_LONGLONG
};
enum SHOW_COMP_OPTION { SHOW_OPTION_YES, SHOW_OPTION_NO, SHOW_OPTION_DISABLED};