[Gluster-users] small write speed problem on EBS, distributed replica

karol skocik karol.skocik at gmail.com
Wed Mar 23 04:17:12 PDT 2011


I see my email to the list was truncated - sending it again.

Hi,
 here are the measurements - the client machine is KS, and server
machines are DFS0[1-4].
First, the setup now is:

Volume Name: EBSOne
Type: Distribute
Status: Started
Number of Bricks: 1
Transport-type: tcp
Bricks:
Brick1: dfs01:/mnt/ebs

With just one client machine writing 1GB file to EBSOne, averaged from 3 runs:

Bandwidth (mean): 22441.84 KB/s
Bandwidth (deviation): 6059.24 KB/s
Completion latency (mean): 1274.47 KB/s
Completion latency (deviation): 1814.58 KB/s

Now, the latencies:



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