root@ [~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; unlink test 16384+0 records in 16384+0 records out 1073741824 bytes (1.1 GB) copied, 30.8495 seconds, 34.8 MB/s root@ [~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; unlink test 16384+0 records in 16384+0 records out 1073741824 bytes (1.1 GB) copied, 32.2204 seconds, 33.3 MB/s root@ [~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; unlink test 16384+0 records in 16384+0 records out 1073741824 bytes (1.1 GB) copied, 33.7744 seconds, 31.8 MB/s root@ [~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; unlink test 16384+0 records in 16384+0 records out 1073741824 bytes (1.1 GB) copied, 37.6231 seconds, 28.5 MB/s root@ [~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; unlink test 16384+0 records in 16384+0 records out 1073741824 bytes (1.1 GB) copied, 39.1599 seconds, 27.4 MB/s root@ [~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; unlink test 16384+0 records in 16384+0 records out 1073741824 bytes (1.1 GB) copied, 31.3246 seconds, 34.3 MB/s root@ [~]#
./ioping -c 25 / 4096 bytes from / (simfs /dev/simfs): request=1 time=0.1 ms 4096 bytes from / (simfs /dev/simfs): request=2 time=4.9 ms 4096 bytes from / (simfs /dev/simfs): request=3 time=23.0 ms 4096 bytes from / (simfs /dev/simfs): request=4 time=33.1 ms 4096 bytes from / (simfs /dev/simfs): request=5 time=24.3 ms 4096 bytes from / (simfs /dev/simfs): request=6 time=14.1 ms 4096 bytes from / (simfs /dev/simfs): request=7 time=25.8 ms 4096 bytes from / (simfs /dev/simfs): request=8 time=15.5 ms 4096 bytes from / (simfs /dev/simfs): request=9 time=12.6 ms 4096 bytes from / (simfs /dev/simfs): request=10 time=806.1 ms 4096 bytes from / (simfs /dev/simfs): request=11 time=414.0 ms 4096 bytes from / (simfs /dev/simfs): request=12 time=434.4 ms 4096 bytes from / (simfs /dev/simfs): request=13 time=14.9 ms 4096 bytes from / (simfs /dev/simfs): request=14 time=21.0 ms 4096 bytes from / (simfs /dev/simfs): request=15 time=141.9 ms 4096 bytes from / (simfs /dev/simfs): request=16 time=29.0 ms 4096 bytes from / (simfs /dev/simfs): request=17 time=814.7 ms 4096 bytes from / (simfs /dev/simfs): request=18 time=30.3 ms 4096 bytes from / (simfs /dev/simfs): request=19 time=7.4 ms 4096 bytes from / (simfs /dev/simfs): request=20 time=0.4 ms 4096 bytes from / (simfs /dev/simfs): request=21 time=0.2 ms 4096 bytes from / (simfs /dev/simfs): request=22 time=122.2 ms 4096 bytes from / (simfs /dev/simfs): request=23 time=153.6 ms 4096 bytes from / (simfs /dev/simfs): request=24 time=133.0 ms 4096 bytes from / (simfs /dev/simfs): request=25 time=18.8 ms --- / (simfs /dev/simfs) ioping statistics --- 25 requests completed in 27320.1 ms, 8 iops, 0.0 mb/s min/avg/max/mdev = 0.1/131.8/814.7/229.9 ms
The VPS itself generally feels sluggish. I opened a support ticket with the provider, asking if it were possible to be moved to a different node. Response told me that 30mb/sec is good i/o.
What are your thoughts?