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Bug#19904003 INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG=1 CAUSES INFINITE PAGE SPLIT

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The debug configuration parameter innodb_optimistic_insert_debug
which was introduced for testing corner cases in B-tree handling
had a bug in it. The value 1 would trigger an infinite sequence
of page splits.

Fix: When the value 1 is specified, disable this debug feature.
Approved by Yasufumi Kinoshita
This commit is contained in:
Marko Makela
2014-10-30 08:53:46 +02:00
parent 4274242655
commit ff906f032f
3 changed files with 29 additions and 2 deletions
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11
mysql-test/suite/innodb/r/insert_debug.result Normal file
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#
# Bug#19904003 INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG=1
# CAUSES INFINITE PAGE SPLIT
#
SET GLOBAL innodb_change_buffering_debug=1;
SET GLOBAL innodb_limit_optimistic_insert_debug=1;
CREATE TABLE t1(c1 INT PRIMARY KEY) ENGINE=InnoDB
PARTITION BY HASH (c1) PARTITIONS 15;
DROP TABLE t1;
SET GLOBAL innodb_change_buffering_debug=0;
SET GLOBAL innodb_limit_optimistic_insert_debug=0;