Messages in this thread | | | Date | Thu, 24 Oct 2019 10:55:04 -0400 | From | "Theodore Y. Ts'o" <> | Subject | Re: File system for scratch space (in HPC cluster) |
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On Thu, Oct 24, 2019 at 12:43:40PM +0200, Paul Menzel wrote: > > In our cluster, we offer scratch space for temporary files. As > these files are temporary, we do not need any safety > requirements – especially not those when the system crashes or > shuts down. So no `sync` is for example needed. > > Are there file systems catering to this need? I couldn’t find > any? Maybe I missed some options for existing file systems.
You could use ext4 in nojournal mode. If you want to make sure that fsync() doesn't force a cache flush, you can mount with the nobarrier mount option.
- Ted
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