Re: [MooseFS-Users] speed drop

[Remolina, D. J <dij...@ae...>]

When you say 100Mbps, do you mean megabits per second or megabytes per second?  100Mbps is much different to 100MB/s


At Gigabit interconnect, your network limitation will be ~112MB/s (megabytes per second) read/writes which is the maximum bandwidth of your gigabit network cards.


Have you tried mounting the file system itself on one of the servers? This should rule out network. If the reads/writes are slow there, then it may help you isolate the issue to the backend storage.


To make sure you are getting the full gigabit bandwith on your servers, also use a tool to measure the connectivity between them, perhaps a tool like iperf can help.


HTH,


Diego

________________________________
From: Roman <int...@gm...>
Sent: Thursday, August 9, 2018 7:39:23 AM
To: moo...@li...
Subject: [MooseFS-Users] speed drop

Hello!

I have problems with the drop in the speed of reading and writing.
I have a 1 Gbit network. Initially, the write and read speed in the
Moosefs cluster was ~100Mbps (3 copies of the data). At the moment it is
about 10Mbps.
There are no problems with the network. Switches and network cards work
as it should.

Where to dig?


Thanks,
Roman

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