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nexedi
MariaDB
Commits
59a30d07
Commit
59a30d07
authored
Mar 30, 2006
by
kent@mysql.com
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btr0sea.c:
Added BTR_CHUNK_SIZE, removed 'chunk_size' declared after declaration block
parent
46d0edb8
Changes
1
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7 deletions
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innobase/btr/btr0sea.c
innobase/btr/btr0sea.c
+6
-7
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innobase/btr/btr0sea.c
View file @
59a30d07
...
@@ -59,6 +59,9 @@ before hash index building is started */
...
@@ -59,6 +59,9 @@ before hash index building is started */
#define BTR_SEARCH_BUILD_LIMIT 100
#define BTR_SEARCH_BUILD_LIMIT 100
/* How many cells to check before temporarily releasing btr_search_latch */
#define BTR_CHUNK_SIZE 10000
/************************************************************************
/************************************************************************
Builds a hash index on a page with the given parameters. If the page already
Builds a hash index on a page with the given parameters. If the page already
has a hash index with different parameters, the old hash index is removed.
has a hash index with different parameters, the old hash index is removed.
...
@@ -1606,10 +1609,6 @@ btr_search_validate(void)
...
@@ -1606,10 +1609,6 @@ btr_search_validate(void)
ulint
*
offsets
=
offsets_
;
ulint
*
offsets
=
offsets_
;
*
offsets_
=
(
sizeof
offsets_
)
/
sizeof
*
offsets_
;
*
offsets_
=
(
sizeof
offsets_
)
/
sizeof
*
offsets_
;
/* How many cells to check before temporarily releasing
btr_search_latch. */
ulint
chunk_size
=
10000
;
rw_lock_x_lock
(
&
btr_search_latch
);
rw_lock_x_lock
(
&
btr_search_latch
);
cell_count
=
hash_get_n_cells
(
btr_search_sys
->
hash_index
);
cell_count
=
hash_get_n_cells
(
btr_search_sys
->
hash_index
);
...
@@ -1617,7 +1616,7 @@ btr_search_validate(void)
...
@@ -1617,7 +1616,7 @@ btr_search_validate(void)
for
(
i
=
0
;
i
<
cell_count
;
i
++
)
{
for
(
i
=
0
;
i
<
cell_count
;
i
++
)
{
/* We release btr_search_latch every once in a while to
/* We release btr_search_latch every once in a while to
give other queries a chance to run. */
give other queries a chance to run. */
if
((
i
!=
0
)
&&
((
i
%
chunk_size
)
==
0
))
{
if
((
i
!=
0
)
&&
((
i
%
BTR_CHUNK_SIZE
)
==
0
))
{
rw_lock_x_unlock
(
&
btr_search_latch
);
rw_lock_x_unlock
(
&
btr_search_latch
);
os_thread_yield
();
os_thread_yield
();
rw_lock_x_lock
(
&
btr_search_latch
);
rw_lock_x_lock
(
&
btr_search_latch
);
...
@@ -1676,8 +1675,8 @@ btr_search_validate(void)
...
@@ -1676,8 +1675,8 @@ btr_search_validate(void)
}
}
}
}
for
(
i
=
0
;
i
<
cell_count
;
i
+=
chunk_size
)
{
for
(
i
=
0
;
i
<
cell_count
;
i
+=
BTR_CHUNK_SIZE
)
{
ulint
end_index
=
ut_min
(
i
+
chunk_size
-
1
,
cell_count
-
1
);
ulint
end_index
=
ut_min
(
i
+
BTR_CHUNK_SIZE
-
1
,
cell_count
-
1
);
/* We release btr_search_latch every once in a while to
/* We release btr_search_latch every once in a while to
give other queries a chance to run. */
give other queries a chance to run. */
...
...
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