diff --git a/dbcon/mysql/my.cnf b/dbcon/mysql/my.cnf
index f7e1835f5..1f9ec25c8 100644
--- a/dbcon/mysql/my.cnf
+++ b/dbcon/mysql/my.cnf
@@ -40,7 +40,7 @@ myisam_sort_buffer_size = 64M
 thread_cache_size = 8
 query_cache_size = 0
 # Try number of CPU's*2 for thread_concurrency
-thread_concurrency = 8
+#thread_concurrency = 8
 thread_stack = 512K
 join_buffer_size = 128M
 lower_case_table_names=1