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An update on bcachefs

An update on bcachefs

Posted Jun 18, 2018 12:40 UTC (Mon) by poelzi (guest, #14953)
Parent article: An update on bcachefs

> bcache-stats
--- bcache ---
Device /dev/dm-3 (254:3)
UUID ec13b555-309c-4c03-a34f-10ffbe9d51d2
Block Size 0.50KiB
Bucket Size 2.00MiB
Congested? False
Read Congestion 2.0ms
Write Congestion 20.0ms
Total Cache Size 80.00GiB
Total Cache Used 80.00GiB (100%)
Total Cache Unused 0B (0%)
Dirty Data 0B (0%)
Evictable Cache 80.00GiB (100%)
Replacement Policy [lru] fifo random
Cache Mode writethrough [writeback] writearound none
Total Hits 9573 (67%)
Total Misses 4685
Total Bypass Hits 3422 (15%)
Total Bypass Misses 18947
Total Bypassed 2.70GiB

bcache works like charm (rebooted yesterday, usually I have ~80% hit rate ...). It caches my 2TB media hdd on my notebook trough a 80gb SSD partition. I also use it on my home server to cache /home.
I'm looking forward to bcachefs as I'm quite disappointed by btrfs and zfs.
Bcache + ext4 still has proven the most stable and pleasantly fast solution so far, thank you very much for this.


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