Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
> > I wouldn't expect anything like the gains of bcache/flashcache/enhencio. > Normally internal metadata are just as fast, thanks to the write cache > of your disks and RAID adapter. Those are much faster than SSDs and > metadata are small enough. > However you may benefit from external metadata when your those caches > are saturated by writes (high throughput for a long time). > If you do have an SSD and expect big writes, give it a try and please > tell us if it really makes a difference. > My raid is linux sw raid. No write cache. James