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Author SHA1 Message Date
Marko Mäkelä
a9d00db155 MDEV-11799 InnoDB can abort if the doublewrite buffer 
contains a bad and a good copy

Clean up the InnoDB doublewrite buffer code.

buf_dblwr_init_or_load_pages(): Do not add empty pages to the buffer.

buf_dblwr_process(): Do consider changes to pages that are all zero.
Do not abort when finding a corrupted copy of a page in the doublewrite
buffer, because there could be multiple copies in the doublewrite buffer,
and only one of them needs to be good.
 2017-01-15 18:56:56 +02:00
Jan Lindström
b3df257cfd MDEV-10469: innodb.innodb-alter-tempfile fails in buildbot: InnoDB: Warning: database page corruption or a failed 
Test case intentionally crashes the server and that could lead partially
written pages that are then restored from doublewrite buffer.
 2016-08-13 09:27:50 +03:00
Nirbhay Choubey
320240be1d Merge test for bug#72594 from upstream 2015-04-30 10:23:36 -04:00