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Commit 2f99a53e authored by Horst Hunger's avatar Horst Hunger
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Final patch for bug#36733 containing all changes.

parent 6597382c
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Showing with 57 additions and 134 deletions
mysql-test/r/thread_cache_size_func.result
View file @ 2f99a53e
......@@ -2,67 +2,31 @@ SET @global_thread_cache_size = @@GLOBAL.thread_cache_size;
FLUSH STATUS;
'# Test1#'
SET @@GLOBAL.thread_cache_size=3;
Saving threads cached, threads created values
SHOW STATUS LIKE 'Threads_cached';
Variable_name Value
Threads_cached 0
0 Expected
'#Old value for thread_cache'#
** Connecting conn1 using username 'root' **
** Connecting conn2 using username 'root' **
** Connecting conn3 using username 'root' **
** Connecting conn4 using username 'root' **
Saving threads cached, threads created values
Threads Created Difference
4
4 Expected
** Connection default **
SHOW STATUS LIKE 'Threads_cached';
Variable_name Value
Threads_cached 0
0 Expected
** Connection default **
** Disconnecting conn1,conn2,conn3,conn4 **
'#new values for thread cache after disconnecting'#
Saving threads cached, threads created values
Threads Created Difference
0
0 Expected
SHOW STATUS LIKE 'Threads_cached';
Variable_name Value
Threads_cached 3
3 Expected
SET @@GLOBAL.thread_cache_size=1;
Saving threads cached, threads created values
Threads Created Difference
0
0 Expected
SHOW STATUS LIKE 'Threads_cached';
Variable_name Value
Threads_cached 3
1 Expected
Bug: The number of threads cached should have decreased with cache size decrease.
SET @@GLOBAL.thread_cache_size= 1;
** Connecting conn1 using username 'root' **
** Connecting conn2 using username 'root' **
Saving threads cached, threads created values
Threads Created Difference
0
1 Expected
Bug: The number of threads created should have increased because the cache should have 1 thread only
SHOW STATUS LIKE 'Threads_cached';
Variable_name Value
Threads_cached 1
0 Expected
Bug: The number of threads created should have decreased because atleast 1 new connection came in
** Connection default **
connection default;
** Disconnecting conn1,conn2 **
'#new status values for thread cache'#
Saving threads cached, threads created values
Threads Created Difference
0
0 Expected
SHOW STATUS LIKE 'Threads_cached';
Variable_name Value
Threads_cached 1
1 Expected
Saving threads cached, threads created values
SET @@GLOBAL.thread_cache_size = @global_thread_cache_size;
mysql-test/t/disabled.def
View file @ 2f99a53e
......@@ -11,7 +11,6 @@
##############################################################################
federated_transactions : Bug#29523 Transactions do not work
csv_alter_table : Bug#33696 2008-01-21 pcrews no .result file - bug allows NULL columns in CSV tables
thread_cache_size_func : Bug#36733 main.thread_cache_size_func fails randomly
log_tables.test : Bug #37798: main.log_tables fails randomly on powermacg5 and windows
slow_query_log_func.test : Bug #37962: *_func tests containing sleeps/race conditions
events-bugs.test : Bug #39848, Bug #39863, Bug #39569, Bug #37774
mysql-test/t/thread_cache_size_func.test
View file @ 2f99a53e
############# mysql-test\t\thread_cache_size_func.test #######################################
# #
# Variable Name: thread_cache_size #
# Scope: SESSION #
# Access Type: Dynamic #
# Data Type: Enumeration #
# Default Value: 0 #
# Values: 0-16384 #
# #
# #
# Creation Date: 2008-03-02 #
# Author: Sharique Abdullah #
# #
# Description: Test Cases of Dynamic System Variable "thread_cache_size" #
# that checks behavior of this variable in the following ways #
# * Functionality based on different values #
# #
# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
# option_mysqld_thread_cache_size #
# #
#########################################################################################
############# mysql-test\t\thread_cache_size_func.test ##########################
# #
# Variable Name: thread_cache_size #
# Scope: SESSION #
# Access Type: Dynamic #
# Data Type: Enumeration #
# Default Value: 0 #
# Values: 0-16384 #
# #
# #
# Creation Date: 2008-03-02 #
# Author: Sharique Abdullah #
# #
# Modified: HHunger 2008-08-27 Reduced test to needed function and inserted #
# wait-loops #
# #
# Description: Test Cases of Dynamic System Variable "thread_cache_size" #
# that checks behavior of this variable in the following ways #
# * Functionality based on different values #
# #
# Reference: #
# http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
# #
#################################################################################
#
# Setup
......@@ -32,41 +33,31 @@ SET @global_thread_cache_size = @@GLOBAL.thread_cache_size;
FLUSH STATUS;
#
# Greater than cache threads, setting cache size to 3
#
-- ECHO '# Test1#'
SET @@GLOBAL.thread_cache_size=3;
let $threadsCreated1 = query_get_value(SHOW STATUS LIKE 'Threads_created', Value, 1);
--echo Saving threads cached, threads created values
SHOW STATUS LIKE 'Threads_cached';
--echo 0 Expected
--ECHO '#Old value for thread_cache'#
##################################
# Make 4 connections #
##################################
--echo ** Connecting conn1 using username 'root' **
connect (conn1,localhost,root,,);
CONNECT (conn1,localhost,root,,);
--echo ** Connecting conn2 using username 'root' **
connect (conn2,localhost,root,,);
CONNECT (conn2,localhost,root,,);
--echo ** Connecting conn3 using username 'root' **
connect (conn3,localhost,root,,);
CONNECT (conn3,localhost,root,,);
--echo ** Connecting conn4 using username 'root' **
connect (conn4,localhost,root,,);
CONNECT (conn4,localhost,root,,);
let $threadsCreated2 = query_get_value(SHOW STATUS LIKE 'Threads_created', Value, 1);
--echo Saving threads cached, threads created values
--echo ** Connection default **
CONNECTION default;
--disable_query_log
eval SELECT ($threadsCreated2 - $threadsCreated1) AS 'Threads Created Difference';
--enable_query_log
# Wait until all connections done
let $wait_condition= SELECT COUNT(*)= 5 FROM INFORMATION_SCHEMA.PROCESSLIST;
--source include/wait_condition.inc
--echo 4 Expected
SHOW STATUS LIKE 'Threads_cached';
--echo 0 Expected
......@@ -74,85 +65,54 @@ SHOW STATUS LIKE 'Threads_cached';
#Disconnecting all the connections #
####################################
--echo ** Connection default **
connection default;
--echo ** Disconnecting conn1,conn2,conn3,conn4 **
disconnect conn1;
disconnect conn2;
disconnect conn3;
disconnect conn4;
DISCONNECT conn1;
DISCONNECT conn2;
DISCONNECT conn3;
DISCONNECT conn4;
#
# Checking the status
#
--echo '#new values for thread cache after disconnecting'#
let $threadsCreated3 = query_get_value(SHOW STATUS LIKE 'Threads_created', Value, 1);
# Wait until all disconnects ready
let $wait_condition= SELECT COUNT(*)= 1 FROM INFORMATION_SCHEMA.PROCESSLIST;
--source include/wait_condition.inc
--echo Saving threads cached, threads created values
--disable_query_log
eval SELECT ($threadsCreated3 - $threadsCreated2) AS 'Threads Created Difference';
--enable_query_log
--echo 0 Expected
SHOW STATUS LIKE 'Threads_cached';
--echo 3 Expected
#
# Decreasing cache size to 1
#
SET @@GLOBAL.thread_cache_size=1;
connection default;
let $threadsCreated6 = query_get_value(SHOW STATUS LIKE 'Threads_created', Value, 1);
--echo Saving threads cached, threads created values
--disable_query_log
eval SELECT $threadsCreated6 - $threadsCreated3 AS 'Threads Created Difference';
--enable_query_log
--echo 0 Expected
SHOW STATUS LIKE 'Threads_cached';
--echo 1 Expected
--echo Bug: The number of threads cached should have decreased with cache size decrease.
SET @@GLOBAL.thread_cache_size= 1;
--echo ** Connecting conn1 using username 'root' **
CONNECT (conn1,localhost,root,,);
--echo ** Connecting conn2 using username 'root' **
CONNECT (conn2,localhost,root,,);
let $threadsCreated4 = query_get_value(SHOW STATUS LIKE 'Threads_created', Value, 1);
--echo Saving threads cached, threads created values
--disable_query_log
eval SELECT $threadsCreated4 - $threadsCreated3 AS 'Threads Created Difference';
--enable_query_log
--echo 1 Expected
--echo Bug: The number of threads created should have increased because the cache should have 1 thread only
SHOW STATUS LIKE 'Threads_cached';
--echo 0 Expected
--echo Bug: The number of threads created should have decreased because atleast 1 new connection came in
--echo connection default;
CONNECTION default;
--echo ** Connection default **
connection default;
# Wait until all connects ready
let $wait_condition= SELECT COUNT(*)= 3 FROM INFORMATION_SCHEMA.PROCESSLIST;
--source include/wait_condition.inc
--echo ** Disconnecting conn1,conn2 **
disconnect conn1;
disconnect conn2;
--ECHO '#new status values for thread cache'#
let $threadsCreated5 = query_get_value(SHOW STATUS LIKE 'Threads_created', Value, 1);
--echo Saving threads cached, threads created values
--disable_query_log
eval SELECT ($threadsCreated5 - $threadsCreated4) AS 'Threads Created Difference';
--enable_query_log
--echo 0 Expected
DISCONNECT conn1;
DISCONNECT conn2;
# Wait until all disconnects ready
let $wait_condition= SELECT COUNT(*)= 1 FROM INFORMATION_SCHEMA.PROCESSLIST;
--source include/wait_condition.inc
SHOW STATUS LIKE 'Threads_cached';
--echo 1 Expected
--echo Saving threads cached, threads created values
#
# Cleanup
#
SET @@GLOBAL.thread_cache_size = @global_thread_cache_size;
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