[Gluster-users] New cluster - first experience

[Gandalf Corvotempesta]

2016-07-11 18:52 GMT+02:00, Alastair Neil <ajneil.tech at gmail.com>:
> what performance do you see with the dd directly to the bricks?

# echo 3 > /proc/sys/vm/drop_caches; dd if=/dev/zero of=test bs=1M
count=1000 conv=fsync
1000+0 records in
1000+0 records out
1048576000 bytes (1.0 GB) copied, 8.20727 s, 128 MB/s

# echo 3 > /proc/sys/vm/drop_caches; dd if=/dev/zero of=test bs=1M
count=1000 conv=fsync
1000+0 records in
1000+0 records out
1048576000 bytes (1.0 GB) copied, 8.24893 s, 127 MB/s

# echo 3 > /proc/sys/vm/drop_caches; dd if=/dev/zero of=test bs=1M
count=1000 conv=fsync
1000+0 records in
1000+0 records out
1048576000 bytes (1.0 GB) copied, 8.64035 s, 121 MB/s

# echo 3 > /proc/sys/vm/drop_caches; dd if=/dev/zero of=test bs=1M
count=1000 conv=fsync
1000+0 records in
1000+0 records out
1048576000 bytes (1.0 GB) copied, 8.29078 s, 126 MB/s

# echo 3 > /proc/sys/vm/drop_caches; dd if=/dev/zero of=test bs=1M
count=1000 conv=fsync
1000+0 records in
1000+0 records out
1048576000 bytes (1.0 GB) copied, 8.28962 s, 126 MB/s