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ChangeSet
1.1866 05/05/03 10:41:40 marko (AT) hundin (DOT) mysql.fi +2 -0
InnoDB: Set innodb_thread_concurrency=1000 by default.

sql/mysqld.cc
1.457 05/05/03 10:41:31 marko (AT) hundin (DOT) mysql.fi +1 -1
innodb_thread_concurrency: Set default value to 1000.

sql/ha_innodb.cc
1.199 05/05/03 10:41:30 marko (AT) hundin (DOT) mysql.fi +2 -2
Add UNIV_LIKELY hints to srv_thread_concurrency tests.

# This is a BitKeeper patch. What follows are the unified diffs for the
# set of deltas contained in the patch. The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User: marko
# Host: hundin.mysql.fi
# Root: /home/marko/mysql-5.0

--- 1.456/sql/mysqld.cc Sat Apr 16 04:35:46 2005
+++ 1.457/sql/mysqld.cc Tue May 3 10:41:31 2005
@@ -5170,7 +5170,7 @@
{"innodb_thread_concurrency", OPT_INNODB_THREAD_CONCURRENCY,
"Helps in performance tuning in heavily concurrent environments.",
(gptr*) &srv_thread_concurrency, (gptr*) &srv_thread_concurrency,
- 0, GET_LONG, REQUIRED_ARG, 8, 1, 1000, 0, 1, 0},
+ 0, GET_LONG, REQUIRED_ARG, 1000, 1, 1000, 0, 1, 0},
{"innodb_thread_sleep_delay", OPT_INNODB_THREAD_SLEEP_DELAY,
"Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0"
" disable a sleep",

--- 1.198/sql/ha_innodb.cc Fri Apr 22 14:07:34 2005
+++ 1.199/sql/ha_innodb.cc Tue May 3 10:41:30 2005
@@ -279,7 +279,7 @@
/*=========================*/
trx_t* trx) /* in: transaction handle */
{
- if (srv_thread_concurrency >= 500) {
+ if (UNIV_LIKELY(srv_thread_concurrency >= 500)) {

return;
}
@@ -296,7 +296,7 @@
/*========================*/
trx_t* trx) /* in: transaction handle */
{
- if (srv_thread_concurrency >= 500) {
+ if (UNIV_LIKELY(srv_thread_concurrency >= 500)) {

return;
}

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