I have made some investigations into 10G and found that 300-400MB/s is
expected with default settings. Improvements are possible up to 1000MB/s
via mtu 9000 and if you increase ip buffers ex
max_buf=4097152 tcp
send_buf=2048576 tcp
recv_buf=2048576 tcp,
NFS lockd servers (ex 1024), NFS number of threads (ex 64) and NFS
transfer size (ex 1048576)
http://napp-it.org/doc/downloads/performance_smb2.pdf
Gea
Am 16.09.2016 um 19:43 schrieb Ergi Thanasko:
Hi all,
We have a a few servers conected via 10g nic LACP, some of them have 4nic
and some have 6nic in a link aggregation mode. We been moving a lot of data
around and we are trying to get the maximum performance. I have seen zpool can
deliver 2-3GB accumulated throughput. Iperf does about 600-800MB/sec between
those two servers.
Given the hardware that we have and the zpool performance, we expected to
see some serious data transfer rates however we only see around 200-300MB/sec
average using rsync or copy paste over NFS. Standard MTU 1500 and nfs block
size. I want to ask the community what to do get some higher throughout and
the application level. I hear ZFS send/receive or ZFS shadow does work faster
but it does snapshots. Out data (Terabytes) is constantly evolving and we
prefer something in the nature of rsync but to utilize the network hardware.
If Anyone has a hardware setup that can see 1GB/sec throughput and does not
mind sharing?
Any software that use multithreads sessions to move data around zfs
friendly? We do not mind getting going with a commercial solution like camvault
or veeam if they work.
Thank you for your time
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