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Applied patch recieved from Marko:

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Make innodb_thread_concurrency 0 by default, and extend the usable
 range from 0 to 1000 (0 disables the thread throttling).


innobase/include/srv0srv.h:
  Remove SRV_CONCURRENCY_THRESHOLD. The magic value is 0 from now on.
innobase/srv/srv0srv.c:
  Remove SRV_CONCURRENCY_THRESHOLD. The magic value is 0 from now on.
mysql-test/r/innodb.result:
  innodb_thread_concurrency is 0..1000 now, and the default is 0.
mysql-test/t/innodb.test:
  innodb_thread_concurrency is 0..1000 now.
sql/ha_innodb.cc:
  Remove SRV_CONCURRENCY_THRESHOLD. The magic value is 0 from now on.
sql/mysqld.cc:
  innodb_thread_concurrency is 0..1000 now, and 0 (the default)
   disables the thread throttling.
This commit is contained in:
unknown 2006-01-18 15:20:56 +03:00
commit e3f0690d9b
6 changed files with 15 additions and 13 deletions
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4
sql/ha_innodb.cc
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@ -338,7 +338,7 @@ innodb_srv_conc_enter_innodb(
/*=========================*/
trx_t* trx) /* in: transaction handle */
{
if (UNIV_LIKELY(srv_thread_concurrency >= SRV_CONCURRENCY_THRESHOLD)) {
if (UNIV_LIKELY(!srv_thread_concurrency)) {
return;
}
@ -355,7 +355,7 @@ innodb_srv_conc_exit_innodb(
/*========================*/
trx_t* trx) /* in: transaction handle */
{
if (UNIV_LIKELY(srv_thread_concurrency >= SRV_CONCURRENCY_THRESHOLD)) {
if (UNIV_LIKELY(!srv_thread_concurrency)) {
return;
}