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MDEV-8501: encryption.create_or_replace fails in buildbot on P8 builders

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Analysis: There is race between drop table and encryption threads that
could cause encryption thread to enter mutex that has been already
released.

Fix: When destroying crypt_data first enter the mutex and set crypt data
unavailable, then release the memory and clean up the data. This should
make the race more unprobable. Additionally, added big_test for
create_or_replace as it could fail testcase timeout
if you have slow I/O (tested that testcase passes with --mem).
This commit is contained in:
Jan Lindström
2015-07-21 12:51:14 +03:00
parent 6d3bd6588e
commit 62b5a56191
3 changed files with 15 additions and 1 deletions
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2
mysql-test/suite/encryption/t/create_or_replace.test
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@@ -1,6 +1,8 @@
--source include/have_innodb.inc
--source include/have_file_key_management_plugin.inc
--source include/not_embedded.inc
# This is needed for longer testcase timeout at least P7/P8
--source include/big_test.inc
#
# MDEV-8164: Server crashes in pfs_mutex_enter_func after fil_crypt_is_closing or alike