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Are there any benchmarks that justify bypassing VFS? My Google-fu is failing and the one page I found comparing file systems in the CEPH docs doesn’t talk about
by jonhohle 3y ago
Are there any benchmarks that justify bypassing VFS? My Google-fu is failing and the one page I found comparing file systems in the CEPH docs doesn’t talk about raw access, all images are broken (stored on CEPH raw storage?), and the text doesn’t seem to include throughout numbers.
- tryauuum 3y agohttps://www.pdl.cmu.edu/PDL-FTP/Storage/ceph-exp-sosp19.pdf https://www.pdl.cmu.edu/PDL-FTP/Storage/ceph-exp-sosp19.pdf my google-fu found this it's hard to read and summarize. It seems that the main point is that filesystems don't expose many tools ceph needs
- IcePic 3y agoIf you store stuff on xfs or ext4, it will cause more writes due to the journal, and since ceph is a DB in some sense, it also keeps a journal/WAL so doubling that is a waste.