<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><span style="background-color: rgba(255, 255, 255, 0);">Hi,</span><div><span style="background-color: rgba(255, 255, 255, 0);">Try iperf in TCP mode, because GlusterFS use TCP not UDP.</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Best,</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Bart</span></div><div dir="ltr"><br>On 25 Oct 2018, at 09:52, Krishna Verma <<a href="mailto:kverma@cadence.com">kverma@cadence.com</a>> wrote:<br><br></div><blockquote type="cite"><div dir="ltr">
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<p class="MsoNormal">Hi All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have checked the network speed bandwidth from my Gluster Master node to Slave node that I found 957 Mbits/sec. But syncing over the geo replication is too much slow as it took 1.28hrs to sync a 9.8GB of file from master to slave.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone having any clue to improve the sync speed over geo replication?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[root@XXXXXX]# iperf -c sj-gluster01 -u -b 1500m<o:p></o:p></p>
<p class="MsoNormal">------------------------------------------------------------<o:p></o:p></p>
<p class="MsoNormal">Client connecting to sj-gluster01, UDP port 5001<o:p></o:p></p>
<p class="MsoNormal">Sending 1470 byte datagrams, IPG target: 7.84 us (kalman adjust)<o:p></o:p></p>
<p class="MsoNormal">UDP buffer size: 208 KByte (default)<o:p></o:p></p>
<p class="MsoNormal">------------------------------------------------------------<o:p></o:p></p>
<p class="MsoNormal">[ 3] local 172.23.16.38 port 39104 connected with 172.18.33.52 port 5001<o:p></o:p></p>
<p class="MsoNormal">[ ID] Interval Transfer Bandwidth<o:p></o:p></p>
<p class="MsoNormal">[ 3] 0.0-10.0 sec 1.11 GBytes <span style="background:yellow;mso-highlight:yellow">
957 Mbits/sec</span><o:p></o:p></p>
<p class="MsoNormal">[ 3] Sent 813830 datagrams<o:p></o:p></p>
<p class="MsoNormal">[ 3] Server Report:<o:p></o:p></p>
<p class="MsoNormal">[ 3] 0.0-10.2 sec 230 MBytes 188 Mbits/sec 12.987 ms 649728/813829 (80%)<o:p></o:p></p>
<p class="MsoNormal">[root@XXXXXX]#<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">/Krishna<o:p></o:p></p>
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