An Yang created QPID-6282:
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Summary: low performance sending big message with RDMA transport
agent
Key: QPID-6282
URL: https://issues.apache.org/jira/browse/QPID-6282
Project: Qpid
Issue Type: Wish
Components: C++ Broker
Affects Versions: 0.22
Environment: RHEL6.6/CentOS6.6 64bits, Mellanox ConnectX-3 dual port
FDR 56Gbps IB cards, qpid packages from MRG-clone
http://glitesoft.cern.ch/cern/mrg/slc6X/x86_64/RPMS/
Reporter: An Yang
Transferring large messages, the message size is more than 120MB, it will cost
over 250ms.
qperf -m 120m serverip，it said:
[root@node2 qpid-benchmark]# qperf -m 120m 192.168.1.1 tcp_lat
tcp_lat:
latency = 58.8 ms
[root@node2 qpid-benchmark]# qperf -m 120m 192.168.1.1 tcp_bw
tcp_bw:
bw = 2.82 GB/sec
[root@node2 qpid-benchmark]# qperf -m 120m 192.168.1.1 rc_lat
rc_lat:
latency = 20.6 ms
[root@node2 qpid-benchmark]# qperf -m 120m 192.168.1.1 rc_bw
rc_bw:
bw = 5.82 GB/sec
[root@node2 qpid-benchmark]#
I use the following cmds:
qpid-send -b 'amqp:rdma:192.168.1.1' -a 'benchmark-0;{create:always}'
--report-total --report-header=no --timestamp=yes --sequence=no --durable False
--connection-options '{tcp-nodelay:true,reconnect:true,heartbeat:1}' --messages
0 --content-size 120240000 --send-rate 1
qpid-receive -b 'amqp:rdma:192.168.1.1' -a 'benchmark-0;{create:always}'
--print-content no -f --report-every 3 --receive-rate 2
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