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Joey Hess 2016-02-26 13:49:26 -04:00
parent fe44eb95e2
commit 66f2b3d4e0
Failed to extract signature
1 changed files with 13 additions and 0 deletions
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doc/bugs/checksum_loads_whole_file_into_memory.mdwn Normal file
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Using eg, fsck with the MD5 backend loads whole files into memory.
May only happen for very large files (40 gb) or in other specific
circumstances, including ghc version used for buildd etc.
Observed with 6.20160217-g95bbdb8, linux standalone amd64.
Not observed with 5.20151218-g5008846.
Commit 7482853ddddc21f2696dcfbc82d737f03032134a may be relevant,
but I don't understand how yet. A small test program using the same
code doesn't exhibit the problem, even when built in the identical build
environment as the 6.20160217-g95bbdb8 that has the problem.