Hi list, i've find option to enable journal discard for ssd datastore May be it's have a sense to provide punch hole support on btrfs?
As i understand it's can not only free space, but also can speedup writes: ➜ ~ ioping -i 0 -w 5 -q -WWWD ./zeroed --- ./zeroed ( ) ioping statistics --- 143 requests completed in 5.01 s, 28 iops, 114.4 KiB/s min/avg/max/mdev = 21.3 ms / 35.0 ms / 66.4 ms / 7.71 ms ➜ ~ ioping -i 0 -w 5 -q -WWWD ./truncated --- ./truncated ( ) ioping statistics --- 167 requests completed in 5.03 s, 33 iops, 133.0 KiB/s min/avg/max/mdev = 21.5 ms / 30.1 ms / 66.4 ms / 8.39 ms Thanks -- Have a nice day, Timofey. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
