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Parents and children of check-in [1c948348]

2018-07-26
21:48
In the unix VFS, give every unixInodeInfo object its own mutex, rather than using the global VFS mutex, to improve concurrency in cases where there are many threads operating on separate database files. check-in: 22f47cf4 user: drh tags: trunk
2018-07-23
22:55
Return an SQLITE_NOMEM error if the locking mutex fails to allocate. Closed-Leaf check-in: 1c948348 user: drh tags: separate-lock-mutex
21:10
First attempt at reducing mutex contention in the unix VFS by providing a separate mutex for each unixInodeInfo object. check-in: f69afaf0 user: drh tags: separate-lock-mutex