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MDEV-15326 preparation: Test slow shutdown after XA PREPARE

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We were missing a test that would exercise trx_free_prepared()
with innodb_fast_shutdown=0. Add a test.

Note: if shutdown hangs due to the XA PREPARE transactions,
in MariaDB 10.2 the test would unfortunately pass, but take
2*60 seconds longer, because of two shutdown_server statements
timing out after 60 seconds. Starting with MariaDB 10.3, the
hung server would be killed with SIGABRT, and the test could
fail thanks to a backtrace message.
This commit is contained in:
Marko Mäkelä
2019-09-03 11:23:57 +03:00
parent b2775ae855
commit 154bd0950f
2 changed files with 26 additions and 1 deletions
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9
mysql-test/suite/innodb/r/recovery_shutdown.result
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@@ -1,3 +1,5 @@
FLUSH TABLES;
call mtr.add_suppression("Found 1 prepared XA transactions");
#
# MDEV-13797 InnoDB may hang if shutdown is initiated soon after startup
# while rolling back recovered incomplete transactions
@@ -7,10 +9,12 @@ BEGIN;
COMMIT;
connect con$c,localhost,root,,;
CREATE TABLE t8 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
BEGIN;
XA START 'x';
INSERT INTO t8 (a) SELECT NULL FROM t;
UPDATE t8 SET a=a+100, b=a;
DELETE FROM t8;
XA END 'x';
XA PREPARE 'x';
connect con$c,localhost,root,,;
CREATE TABLE t7 (a SERIAL, b INT UNIQUE, c INT UNIQUE) ENGINE=InnoDB;
BEGIN;
@@ -62,4 +66,7 @@ connection default;
SET GLOBAL innodb_flush_log_at_trx_commit=1;
CREATE TABLE u(a SERIAL) ENGINE=INNODB;
FLUSH TABLES;
XA RECOVER;
formatID gtrid_length bqual_length data
1 1 0 x
DROP TABLE t,u;