Hello, guys
I wrote small script :
#!/bin/bash
for i in {1..1000}; do
size=$((RANDOM%5+1))
dd if=/dev/zero of=/storage/test/bigfile${i} count=1024 bs=${size}k
done
This script creates files with different size on volume
here is output:
2097152 bytes (2.1 MB) copied, 0.120632 s, 17.4 MB/s
1024+0 records in
1024+0 records out
1048576 bytes (1.0 MB) copied, 0.14548 s, 7.2 MB/s
1024+0 records in
1024+0 records out
2097152 bytes (2.1 MB) copied, 0.125532 s, 16.7 MB/s
1024+0 records in
1024+0 records out
3145728 bytes (3.1 MB) copied, 0.144503 s, 21.8 MB/s
1024+0 records in
1024+0 records out
1048576 bytes (1.0 MB) copied, 0.0994717 s, 10.5 MB/s
1024+0 records in
1024+0 records out
4194304 bytes (4.2 MB) copied, 0.142613 s, 29.4 MB/s
1024+0 records in
1024+0 records out
4194304 bytes (4.2 MB) copied, 0.103823 s, 40.4 MB/s
1024+0 records in
1024+0 records out
1048576 bytes (1.0 MB) copied, 0.138864 s, 7.6 MB/s
1024+0 records in
1024+0 records out
3145728 bytes (3.1 MB) copied, 0.102374 s, 30.7 MB/s
1024+0 records in
1024+0 records out
3145728 bytes (3.1 MB) copied, 0.166409 s, 18.9 MB/s
1024+0 records in
1024+0 records out
1048576 bytes (1.0 MB) copied, 0.169923 s, 6.2 MB/s
1024+0 records in
1024+0 records out
2097152 bytes (2.1 MB) copied, 0.142017 s, 14.8 MB/s
1024+0 records in
1024+0 records out
2097152 bytes (2.1 MB) copied, 0.159753 s, 13.1 MB/s
1024+0 records in
1024+0 records out
3145728 bytes (3.1 MB) copied, 0.146142 s, 21.5 MB/s
^C180+0 records in
180+0 records out
737280 bytes (737 kB) copied, 0.0306554 s, 24.1 MB/s
as you can see - the speed very slow :(
I have configured ethernet networks on bricks - as bond (but only on
ope peer)
Output of iperf
iperf -c 192.168.15.165
------------------------------------------------------------
Client connecting to 192.168.15.165, TCP port 5001
TCP window size: 640 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.15.159 port 37095 connected with 192.168.15.165 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 1.03 GBytes 880 Mbits/sec
I will run this command dd if=/dev/zero of=/storage/test/bigfile${i}
count=1024 bs=10k on peer.. speed is very high:
root at nas:~# dd if=/dev/zero of=/storage/test/bigfile${i} count=1024 bs=10k
1024+0 records in
1024+0 records out
10485760 bytes (10 MB) copied, 0.0114412 s, 916 MB/s
root at nas:~#
my volume config:
root at nas:~# gluster volume info
Volume Name: storage
Type: Replicate
Volume ID: 8abee05f-9aa1-41d7-9f72-363c6fd8fc74
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: nas.storage:/storage
Brick2: back.storage:/storage
Options Reconfigured:
performance.cache-size: 256MB
my installation is default, any one have good guide how to get good
performance ?
Thank you
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