summaryrefslogtreecommitdiff
path: root/myisam/mi_check.c
diff options
context:
space:
mode:
authorserg@serg.mysql.com <>2002-06-30 16:14:48 +0000
committerserg@serg.mysql.com <>2002-06-30 16:14:48 +0000
commit0a1de562a737e57d13981e38469bd72cb47c1842 (patch)
tree982282b567e1de58ac0c3525ec4d78ad82500a7a /myisam/mi_check.c
parentcc327c60c8ac77fb1f38716a9a9cf368965b7498 (diff)
parenta90ad0a0d071f6f8a7fe87674ec8aa2ede6e16b3 (diff)
downloadmariadb-git-0a1de562a737e57d13981e38469bd72cb47c1842.tar.gz
merged
Diffstat (limited to 'myisam/mi_check.c')
-rw-r--r--myisam/mi_check.c48
1 files changed, 31 insertions, 17 deletions
diff --git a/myisam/mi_check.c b/myisam/mi_check.c
index 3c1d090f53d..f27f297b3a4 100644
--- a/myisam/mi_check.c
+++ b/myisam/mi_check.c
@@ -14,7 +14,7 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-/* Descript, check and repair of MyISAM tables */
+/* Describe, check and repair of MyISAM tables */
#include "ftdefs.h"
#include <m_ctype.h>
@@ -1187,6 +1187,7 @@ int mi_repair(MI_CHECK *param, register MI_INFO *info,
my_seek(info->dfile,0L,MY_SEEK_END,MYF(0));
sort_info.dupp=0;
sort_param.fix_datafile= (my_bool) (! rep_quick);
+ sort_param.master=1;
sort_info.max_records= ~(ha_rows) 0;
set_data_file_type(&sort_info, share);
@@ -1888,6 +1889,7 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
sort_param.tmpdir=param->tmpdir;
sort_param.sort_info=&sort_info;
sort_param.fix_datafile= (my_bool) (! rep_quick);
+ sort_param.master =1;
del=info->state->del;
param->glob_crc=0;
@@ -2107,13 +2109,14 @@ err:
DESCRIPTION
Same as mi_repair_by_sort but do it multithreaded
Each key is handled by a separate thread.
+ TODO: make a number of thread a parameter
RESULT
0 ok
<>0 Error
*/
-int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
+int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
const char * name, int rep_quick)
{
int got_error;
@@ -2131,7 +2134,7 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
SORT_INFO sort_info;
ulonglong key_map=share->state.key_map;
pthread_attr_t thr_attr;
- DBUG_ENTER("mi_repair_by_sort_r");
+ DBUG_ENTER("mi_repair_parallel");
start_records=info->state->records;
got_error=1;
@@ -2267,6 +2270,8 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
i--;
continue;
}
+ if ((!(param->testflag & T_SILENT)))
+ printf ("- Fixing index %d\n",key+1);
sort_param[i].key_read= ((sort_param[i].keyinfo->flag & HA_FULLTEXT) ?
sort_ft_key_read : sort_key_read);
sort_param[i].key_cmp=sort_key_cmp;
@@ -2274,6 +2279,7 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
sort_param[i].lock_in_memory=lock_memory;
sort_param[i].tmpdir=param->tmpdir;
sort_param[i].sort_info=&sort_info;
+ sort_param[i].master=0;
sort_param[i].fix_datafile=0;
sort_param[i].filepos=new_header_length;
@@ -2300,7 +2306,8 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
sort_param[i].key_length+=ft_max_word_len_for_sort-ft_max_word_len;
}
sort_info.total_keys=i;
- sort_param[0].fix_datafile= ! rep_quick;
+ sort_param[0].master= 1;
+ sort_param[0].fix_datafile= (my_bool)(! rep_quick);
sort_info.got_error=0;
pthread_mutex_init(&sort_info.mutex, MY_MUTEX_INIT_FAST);
@@ -2321,10 +2328,10 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
In the second one all the threads will fill their sort_buffers
(and call write_keys) at the same time, putting more stress on i/o.
*/
-#if 1
+#ifndef USING_SECOND_APPROACH
param->sort_buffer_length/sort_info.total_keys;
#else
- param->sort_buffer_length*sort_param[i].key_length/total_key_length;
+ param->sort_buffer_length*sort_param[i].key_length/total_key_length;
#endif
if (pthread_create(&sort_param[i].thr, &thr_attr,
thr_find_all_keys,
@@ -2488,7 +2495,8 @@ static int sort_key_read(MI_SORT_PARAM *sort_param, void *key)
if (info->state->records == sort_info->max_records)
{
mi_check_print_error(sort_info->param,
- "Found too many records; Can`t continue");
+ "Key %d - Found too many records; Can't continue",
+ sort_param->key+1);
DBUG_RETURN(1);
}
sort_param->real_key_length=
@@ -2578,7 +2586,8 @@ static int sort_get_next_record(MI_SORT_PARAM *sort_param)
if (!sort_param->fix_datafile)
{
sort_param->filepos=sort_param->pos;
- share->state.split++;
+ if (sort_param->master)
+ share->state.split++;
}
sort_param->max_pos=(sort_param->pos+=share->base.pack_reclength);
if (*sort_param->record)
@@ -2588,7 +2597,7 @@ static int sort_get_next_record(MI_SORT_PARAM *sort_param)
mi_static_checksum(info,sort_param->record));
DBUG_RETURN(0);
}
- if (!sort_param->fix_datafile)
+ if (!sort_param->fix_datafile && sort_param->master)
{
info->state->del++;
info->state->empty+=share->base.pack_reclength;
@@ -2734,7 +2743,8 @@ static int sort_get_next_record(MI_SORT_PARAM *sort_param)
}
if (b_type & (BLOCK_DELETED | BLOCK_SYNC_ERROR))
{
- if (!sort_param->fix_datafile && (b_type & BLOCK_DELETED))
+ if (!sort_param->fix_datafile && sort_param->master &&
+ (b_type & BLOCK_DELETED))
{
info->state->empty+=block_info.block_len;
info->state->del++;
@@ -2753,7 +2763,7 @@ static int sort_get_next_record(MI_SORT_PARAM *sort_param)
continue;
}
- if (!sort_param->fix_datafile)
+ if (!sort_param->fix_datafile && sort_param->master)
share->state.split++;
if (! found_record++)
{
@@ -2895,7 +2905,8 @@ static int sort_get_next_record(MI_SORT_PARAM *sort_param)
if (!sort_param->fix_datafile)
{
sort_param->filepos=sort_param->pos;
- share->state.split++;
+ if (sort_param->master)
+ share->state.split++;
}
sort_param->max_pos=(sort_param->pos=block_info.filepos+
block_info.rec_len);
@@ -3003,12 +3014,15 @@ int sort_write_record(MI_SORT_PARAM *sort_param)
break;
}
}
- info->state->records++;
- if ((param->testflag & T_WRITE_LOOP) &&
- (info->state->records % WRITE_COUNT) == 0)
+ if (sort_param->master)
{
- char llbuff[22];
- printf("%s\r", llstr(info->state->records,llbuff)); VOID(fflush(stdout));
+ info->state->records++;
+ if ((param->testflag & T_WRITE_LOOP) &&
+ (info->state->records % WRITE_COUNT) == 0)
+ {
+ char llbuff[22];
+ printf("%s\r", llstr(info->state->records,llbuff)); VOID(fflush(stdout));
+ }
}
DBUG_RETURN(0);
} /* sort_write_record */