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MDEV#6296: runtime adjustment of wsrep_slave_threads creates

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threads but never removes them

When wsrep_slave_threads is changed at runtime, the old "change"
value is not taken into account and thus successive SETs can
make wsrep_slave_threads value inconsistent with the actual
number of applier threads present.
This commit is contained in:
Nirbhay Choubey 2014-06-15 13:53:43 -04:00
parent 85032e36c6
commit c7ad886a70
1 changed files with 1 additions and 1 deletions
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sql/wsrep_var.cc
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@ -453,7 +453,7 @@ void wsrep_node_address_init (const char* value)
bool wsrep_slave_threads_check (sys_var *self, THD* thd, set_var* var)
{
mysql_mutex_lock(&LOCK_wsrep_slave_threads);
wsrep_slave_count_change = var->value->val_int() - wsrep_slave_threads;
wsrep_slave_count_change += (var->value->val_int() - wsrep_slave_threads);
mysql_mutex_unlock(&LOCK_wsrep_slave_threads);
return 0;