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authorMikael Pettersson <[email protected]>2015-05-31 11:38:41 +0200
committerMikael Pettersson <[email protected]>2015-05-31 11:38:41 +0200
commit7a2da8a21c947503591b19c9ec2a262b7b2fb581 (patch)
tree9b0914729167c57600bad31da3affaa56d7ba154 /lib/kernel
parentefbfe9602983ff451b864e557bdf3733222b78ba (diff)
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mnesia: don't delete log file on emfile error
If the VM runs into the process' file descriptor limit when mnesia tries to open (not create) a disk_log file, the open fails with an emfile error. Mnesia misinterprets this as a corrupt file, deletes it, tries to create a new empty disk_log file, which also fails. The end result is a corrupt database on disk. Check for emfile errors and error out immediately without deleting the file in those cases.
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