Commit 682304af authored by unknown's avatar unknown

Merge


storage/ndb/tools/Makefile.am:
  Auto merged
parents a318cc7c e40b76c9
...@@ -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.
...@@ -1604,25 +1607,21 @@ btr_search_validate(void) ...@@ -1604,25 +1607,21 @@ btr_search_validate(void)
mem_heap_t* heap = NULL; mem_heap_t* heap = NULL;
ulint offsets_[REC_OFFS_NORMAL_SIZE]; ulint offsets_[REC_OFFS_NORMAL_SIZE];
ulint* offsets = offsets_; ulint* offsets = offsets_;
/* How many cells to check before temporarily releasing
btr_search_latch. */
ulint chunk_size = 10000;
*offsets_ = (sizeof offsets_) / sizeof *offsets_; *offsets_ = (sizeof offsets_) / sizeof *offsets_;
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);
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);
} }
node = hash_get_nth_cell(btr_search_sys->hash_index, i)->node; node = hash_get_nth_cell(btr_search_sys->hash_index, i)->node;
while (node != NULL) { while (node != NULL) {
...@@ -1676,9 +1675,9 @@ btr_search_validate(void) ...@@ -1676,9 +1675,9 @@ 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. */
if (i != 0) { if (i != 0) {
......
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