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118 lines
4.1 KiB
Text
118 lines
4.1 KiB
Text
############# mysql-test\t\thread_cache_size_func.test ##########################
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# #
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# Variable Name: thread_cache_size #
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# Scope: SESSION #
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# Access Type: Dynamic #
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# Data Type: Enumeration #
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# Default Value: 0 #
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# Values: 0-16384 #
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# #
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# #
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# Creation Date: 2008-03-02 #
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# Author: Sharique Abdullah #
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# #
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# Modified: HHunger 2008-08-27 Reduced test to needed function and inserted #
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# wait-loops #
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# #
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# Description: Test Cases of Dynamic System Variable "thread_cache_size" #
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# that checks behavior of this variable in the following ways #
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# * Functionality based on different values #
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# #
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# Reference: #
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# http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
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# #
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#################################################################################
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#
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# Setup
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#
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--source include/not_embedded.inc
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SET @global_thread_cache_size = @@GLOBAL.thread_cache_size;
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FLUSH STATUS;
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-- ECHO '# Test1#'
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SET @@GLOBAL.thread_cache_size=3;
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SHOW STATUS LIKE 'Threads_cached';
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--echo 0 Expected
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##################################
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# Make 4 connections #
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##################################
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--echo ** Connecting conn1 using username 'root' **
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CONNECT (conn1,localhost,root,,);
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--echo ** Connecting conn2 using username 'root' **
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CONNECT (conn2,localhost,root,,);
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--echo ** Connecting conn3 using username 'root' **
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CONNECT (conn3,localhost,root,,);
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--echo ** Connecting conn4 using username 'root' **
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CONNECT (conn4,localhost,root,,);
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--echo ** Connection default **
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CONNECTION default;
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# Wait until all connections done
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let $wait_condition= SELECT COUNT(*)= 5 FROM INFORMATION_SCHEMA.PROCESSLIST;
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--source include/wait_condition.inc
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SHOW STATUS LIKE 'Threads_cached';
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--echo 0 Expected
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####################################
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#Disconnecting all the connections #
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####################################
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--echo ** Disconnecting conn1,conn2,conn3,conn4 **
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DISCONNECT conn1;
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DISCONNECT conn2;
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DISCONNECT conn3;
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DISCONNECT conn4;
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#
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# Checking the status
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#
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# Wait until all disconnects ready
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let $wait_condition= SELECT COUNT(*)= 1 FROM INFORMATION_SCHEMA.PROCESSLIST;
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--source include/wait_condition.inc
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SHOW STATUS LIKE 'Threads_cached';
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--echo 3 Expected
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#
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# Decreasing cache size to 1
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#
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SET @@GLOBAL.thread_cache_size= 1;
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--echo ** Connecting conn1 using username 'root' **
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CONNECT (conn1,localhost,root,,);
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--echo ** Connecting conn2 using username 'root' **
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CONNECT (conn2,localhost,root,,);
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--echo connection default;
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CONNECTION default;
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# Wait until all connects ready
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let $wait_condition= SELECT COUNT(*)= 3 FROM INFORMATION_SCHEMA.PROCESSLIST;
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--source include/wait_condition.inc
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--echo ** Disconnecting conn1,conn2 **
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DISCONNECT conn1;
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DISCONNECT conn2;
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# Wait until all disconnects ready
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let $wait_condition= SELECT COUNT(*)= 1 FROM INFORMATION_SCHEMA.PROCESSLIST;
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--source include/wait_condition.inc
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SHOW STATUS LIKE 'Threads_cached';
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--echo 1 Expected
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#
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# Cleanup
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#
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SET @@GLOBAL.thread_cache_size = @global_thread_cache_size;
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