ZFS, BTRFS, XFS, EXT4 and LVM with KVM – a storage performance comparison
ZFS, BTRFS, XFS, EXT4 and LVM with KVM – a storage performance comparison Virtual machines storage performance is a hot topic – after all, one of the main problem when virtualizing many OS instances is to correctly size the I/O subsystem, both in term of space and speed. Of course performance is not the only thing to consider: another big role is played by flexibility and ease to use/configure. So
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Linux ã®ã‚·ã‚¹ãƒ†ãƒ コールã§ã‚ã‚‹ write(2) 㮠ドã‚ュメントをèªã‚€ã¨ Atomic/non-atomic: A write is atomic if the whole amount written in one operation is not interleaved with data from any other process. This is useful when there are multiple writers sending data to a single reader. Applications need to know how large a write request can be expected to be performed atomically. This maximum is called {PIPE_BUF}. This volume of
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