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From:Dmitry Lenev Date:October 13 2010 7:22am
Subject:bzr commit into mysql-5.5-runtime branch (Dmitry.Lenev:3162) Bug#57422
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#At file:///home/dlenev/src/bzr/mysql-5.5-rt-57422/ based on revid:jon.hauglid@stripped

 3162 Dmitry Lenev	2010-10-13
      Fix for bug #57422 "rpl_row_sp003 sporadically fails under
      heavy load".
      
      rpl_row_sp003.test has sporadically failed when run on machine
      under heavy load or on slow hardware.
      
      This patch fixes races in the test which were causing these
      failures and also removes unnecessary 100 second wait from it. 

    modified:
      mysql-test/extra/rpl_tests/rpl_row_sp003.test
      mysql-test/suite/rpl/r/rpl_row_sp003.result
=== modified file 'mysql-test/extra/rpl_tests/rpl_row_sp003.test'
--- a/mysql-test/extra/rpl_tests/rpl_row_sp003.test	2009-11-26 23:32:01 +0000
+++ b/mysql-test/extra/rpl_tests/rpl_row_sp003.test	2010-10-13 07:20:50 +0000
@@ -36,9 +36,22 @@ send CALL test.p1();
 
 connection master;
 # To make sure tha the call on master1 arrived at the get_lock
-sleep 1;
+let $wait_condition=
+  select count(*) = 1 from information_schema.processlist
+  where state = 'User lock' and
+        info = 'SELECT  get_lock("test", 100)';
+--source include/wait_condition.inc
 CALL test.p2();
 SELECT release_lock("test");
+
+connection master1;
+# Reap CALL test.p1() to ensure that it has fully completed
+# before doing any selects on test.t1.
+--reap
+# Release lock acquired by it.
+SELECT release_lock("test");
+
+connection master;
 SELECT * FROM test.t1; 
 #show binlog events;
 --source include/wait_for_ndb_to_binlog.inc
@@ -51,6 +64,7 @@ DROP TABLE IF EXISTS test.t1;
 eval CREATE TABLE test.t1(a INT,PRIMARY KEY(a))ENGINE=$engine_type;
 CALL test.p2();
 CALL test.p1();
+SELECT release_lock("test");
 SELECT * FROM test.t1;
 
 sync_slave_with_master;

=== modified file 'mysql-test/suite/rpl/r/rpl_row_sp003.result'
--- a/mysql-test/suite/rpl/r/rpl_row_sp003.result	2007-06-27 12:28:02 +0000
+++ b/mysql-test/suite/rpl/r/rpl_row_sp003.result	2010-10-13 07:20:50 +0000
@@ -26,6 +26,11 @@ CALL test.p2();
 SELECT release_lock("test");
 release_lock("test")
 1
+get_lock("test", 100)
+1
+SELECT release_lock("test");
+release_lock("test")
+1
 SELECT * FROM test.t1;
 a
 5
@@ -37,7 +42,10 @@ CREATE TABLE test.t1(a INT,PRIMARY KEY(a
 CALL test.p2();
 CALL test.p1();
 get_lock("test", 100)
-0
+1
+SELECT release_lock("test");
+release_lock("test")
+1
 SELECT * FROM test.t1;
 a
 8


Attachment: [text/bzr-bundle] bzr/dmitry.lenev@oracle.com-20101013072050-7909mvfqaklynyc5.bundle
Thread
bzr commit into mysql-5.5-runtime branch (Dmitry.Lenev:3162) Bug#57422Dmitry Lenev13 Oct
  • Re: bzr commit into mysql-5.5-runtime branch (Dmitry.Lenev:3162)Bug#57422Luís Soares13 Oct