Re: measuring swap partition speed
- In reply to: Mark Millard : "Re: measuring swap partition speed"
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Date: Sat, 23 Dec 2023 15:59:21 UTC
On Thu, 21 Dec 2023, at 17:32, Mark Millard wrote: > [For this message I'm replying to just the one point because I > expect that it is rather important to your context.] > swapfile write requires the write request to come through the filesystem > write path, which might require the filesystem to allocate more memory > and read some data. E.g. it is known that any ZFS write request > allocates memory, and that write request on large UFS file might require > allocating and reading an indirect block buffer to find the block number > of the written block, if the indirect block was not yet read. Are nfs writes the same as a "write request through the filesystem write path" ? If not the same, then the same deleterious effect in the context? --