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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5.5(EOL), 10.0(EOL), 10.1(EOL), 10.2(EOL), 10.3(EOL)
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None
Description
Aria can under some circumstances hang in log_handler.cc::translog_buffer_flush
The hang is caused because of buffer->copy_to_buffer_in_progress getting out of sync.
I have attached a minimal stacktrace from 10.2 that shows one hang.
Attachments
Activity
bb-5.5-MDEV-15113 5676edf451cc9f653c2 doesn't build.
Building C object storage/maria/CMakeFiles/aria.dir/ma_pagecache.c.o
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/data/src/bb-5.5-MDEV-15113/storage/maria/ma_loghandler.c: In function ‘used_buffs_urgent_unlock’:
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/data/src/bb-5.5-MDEV-15113/storage/maria/ma_loghandler.c:4976:3: error: ‘for’ loop initial declarations are only allowed in C99 or C11 mode
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for (uint i= buffs->unlck_ptr; i < buffs->wrt_ptr; i++)
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^
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/data/src/bb-5.5-MDEV-15113/storage/maria/ma_loghandler.c:4976:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
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[ 81%] Building C object storage/maria/CMakeFiles/aria.dir/ma_pagecaches.c.o
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storage/maria/CMakeFiles/aria.dir/build.make:1411: recipe for target 'storage/maria/CMakeFiles/aria.dir/ma_loghandler.c.o' failed
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make[2]: *** [storage/maria/CMakeFiles/aria.dir/ma_loghandler.c.o] Error 1
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make[2]: *** Waiting for unfinished jobs....
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CMakeFiles/Makefile2:3570: recipe for target 'storage/maria/CMakeFiles/aria.dir/all' failed
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make[1]: *** [storage/maria/CMakeFiles/aria.dir/all] Error 2
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I didn't get anything relevant to the change while running tests on bb-5.5-MDEV-15113 7435cebf49f, please go ahead in push
MDEV-4312 has to stay open, at least the crash is still reproducible.
On the 2nd thought, I'm not quite happy with my test coverage yet, I need to run more tests.
Might be related to
MDEV-4312(see the last stack trace in the comment, there is also a hang in translog_buffer_flush).