An Asynchronous I/O Module For SQLite
(asyncvfs.html)
... This may improve performance when an NFS or other
network file-system, as the synchronous round-trips to the server be
required to establish file locks are avoided. However, if multiple
connections attempt to access the same database file when ...
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SQLite Frequently Asked Questions
(faq.html)
... this locking mechanism might
not work correctly if the database file is kept on an NFS filesystem.
This is because fcntl() file locking is broken on many NFS implementations.
You should avoid putting SQLite database files on NFS if multiple ...
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How To Corrupt An SQLite Database File
(howtocorrupt.html)
2.1. Filesystems with broken or missing lock implementations
... This is especially true of network filesystems and NFS in particular.
If SQLite is used on a filesystem where the locking primitives contain
bugs, and if two or more threads or processes try to access the same
database at the ...
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File Locking And Concurrency In SQLite Version 3
(lockingv3.html)
... One should
note that POSIX advisory locking is known to be buggy or even unimplemented
on many NFS implementations (including recent versions of Mac OS X)
and that there are reports of locking problems
for network filesystems under Windows. Your ...
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Atomic Commit In SQLite
(atomiccommit.html)
9.1. Broken Locking Implementations
... We have received reports of implementations of both
Windows network filesystems and NFS in which locking was
subtly broken. We can not verify these reports, but as
locking is difficult to get right on a network filesystem
we have no ...
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