https://bugs.openldap.org/show_bug.cgi?id=10296
Issue ID: 10296
Summary: Force a Mac OS full flush
Product: LMDB
Version: unspecified
Hardware: All
OS: Mac OS
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: liblmdb
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 1045
--> https://bugs.openldap.org/attachment.cgi?id=1045&action=edit
Use a F_FULLFSYNC fcntl when committing on Mac OS
Hello Howard and Happy New Year,
As discussed in this issue [1], the LMDB durability is incorrect when
committing. I propose the following patch that uses fcntl with the F_FULLFSYNC
flag. The fcntl documentation is on this page [2].
Note that I kept the calls to msync/fsync for simplicity and because they don't
cost much but feel free to skip them on Mac OS.
Have a nice day,
kero
[1]: https://github.com/cberner/redb/pull/928#issuecomment-2567032808
[2]:
https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/fcntl.2.html
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