Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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10.5.0
Description
The test perfschema.hostcache_peer_addr times out for me almost always when I run it on 10.5. Because MDEV-20466 introduced a NUL character to the output, the difference will not be displayed by mysql-test-run.pl. I got it with diff -au:
--- mysql-test/suite/perfschema/r/hostcache_peer_addr.result 2019-09-11 07:45:33.284745977 +0300
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+++ mysql-test/suite/perfschema/r/hostcache_peer_addr.reject 2020-01-13 14:58:37.799296135 +0200
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@@ -1,3 +1,12 @@
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+Timeout in wait_condition.inc for select count(*) = 1 from information_schema.processlist
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+Id User Host db Command Time State Info Progress
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+5 root localhost test Query 30 User sleep SELECT user FROM mysql.user WHERE user ='some' or sleep (30) 0.000
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+10 root localhost test Query 0 Init show full processlist 0.000
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+Timeout in wait_condition.inc for select count(*) <= 1 from performance_schema.threads
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+where `TYPE`='FOREGROUND'
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+Id User Host db Command Time State Info Progress
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+5 root localhost test Query 60 User sleep SELECT user FROM mysql.user WHERE user ='some' or sleep (30) 0.000
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+10 root localhost test Query 0 Init show full processlist 0.000
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flush status;
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flush hosts;
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flush user_resources; |
Above, there is a NUL character between ‘some’ and the closing quote. That command was added in MDEV-20466 to main.processlist_notembedded. That test does not appear to be properly cleaning up after itself.
I can repeat this deterministically as follows:
./mtr --no-reorder main.processlist_notembedded perfschema.hostcache_peer_addr
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10.5 8576a7bacfaa4f7ac3ec86cff436e0d6e7bb3a7d |
worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 16000..16019
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main.processlist_notembedded [ pass ] 32
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perfschema.hostcache_peer_addr [ fail ]
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Test ended at 2020-01-13 14:58:38
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CURRENT_TEST: perfschema.hostcache_peer_addr
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Binary files /mariadb/10.5/mysql-test/suite/perfschema/r/hostcache_peer_addr.result and /mariadb/10.5/mysql-test/suite/perfschema/r/hostcache_peer_addr.reject differ
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Attachments
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