<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><div></div><div><br></div><div>Thanks,</div><div>Gurdeep.</div><div><br></div><div><br></div><div><div>On 8 Jul 2014, at 12:12 am, Pranith Kumar Karampuri <<a href="mailto:pkarampu@redhat.com">pkarampu@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<meta content="text/html; charset=windows-1252" http-equiv="Content-Type">
<div text="#000000" bgcolor="#FFFFFF">
<br>
<div class="moz-cite-prefix">On 07/07/2014 07:39 PM, Gurdeep Singh
(Guru) wrote:<br>
</div>
<blockquote cite="mid:F94DEE44-1473-43DD-9908-C71D91BB27FC@bazaari.com.au" type="cite">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
Hello Pranith,
<div><br>
</div>
<div>Process 18629 is not sending any traffic across the servers. </div>
<div><br>
</div>
<div>The process that are constantly sending packet across is 1055
& 18611.</div>
</blockquote>
In that case it is the application which is sending the traffic.
Niels just looked into the pcap file and even he found the process
with pid 14927 to be the one sending the traffic. Could you check
what process it is?<br>
<br>
Pranith.<br>
<blockquote cite="mid:F94DEE44-1473-43DD-9908-C71D91BB27FC@bazaari.com.au" type="cite">
<div><br>
</div>
<div>If any, what is the interval of RPC lookup on one file? can
we somehow control the lookup frequency?</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Gurdeep.</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div apple-content-edited="true">
</div>
<br>
<div>
<div>On 7 Jul 2014, at 11:59 pm, Pranith Kumar Karampuri <<a moz-do-not-send="true" href="mailto:pkarampu@redhat.com">pkarampu@redhat.com</a>>
wrote:</div>
<br class="Apple-interchange-newline">
<blockquote type="cite">
<meta content="text/html; charset=windows-1252" http-equiv="Content-Type">
<div text="#000000" bgcolor="#FFFFFF"> <br>
<div class="moz-cite-prefix">On 07/07/2014 07:22 PM,
Gurdeep Singh (Guru) wrote:<br>
</div>
<blockquote cite="mid:32AD0B84-7C38-4F5F-BEFE-76F72F7F2A43@bazaari.com.au" type="cite">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
<div style="margin: 0px; font-size: 10px; font-family:
Monaco; color: rgb(245, 245, 245); background-color:
rgb(0, 0, 0);">[guru@srv2 ~]$ ps -v 1055</div>
<div style="margin: 0px; font-size: 10px; font-family:
Monaco; color: rgb(245, 245, 245); background-color:
rgb(0, 0, 0);">Warning: bad syntax, perhaps a bogus
'-'? See /usr/share/doc/procps-3.2.8/FAQ</div>
<div style="margin: 0px; font-size: 10px; font-family:
Monaco; color: rgb(245, 245, 245); background-color:
rgb(0, 0, 0);"> PID TTY STAT TIME MAJFL TRS
DRS RSS %MEM COMMAND</div>
<div style="margin: 0px; font-size: 10px; font-family:
Monaco; color: rgb(245, 245, 245); background-color:
rgb(0, 0, 0);"> 1055 ? Ssl 86:01 31 0
319148 33092 3.2 /usr/sbin/glusterfs
--volfile-server=srv2 --volfile-id=/gv0
/var/www/html/image/</div>
<div style="margin: 0px; font-size: 10px; font-family:
Monaco; color: rgb(245, 245, 245); background-color:
rgb(0, 0, 0);">[guru@srv2 ~]$ </div>
<div><br>
</div>
</blockquote>
Gurdeep,<br>
Don't see anything odd here :-(. Mount is looking
up files and brick is serving it. Why don't you keep a
watch on the process '18629' and similar processes in the
cluster. Do a ps aux | grep glustershd to get the pids.
There will be one such process per machine in the cluster.
Check how much it consumes. That is the only process which
does operations without any operations on mounts.<br>
<br>
Pranith<br>
<br>
<blockquote cite="mid:32AD0B84-7C38-4F5F-BEFE-76F72F7F2A43@bazaari.com.au" type="cite">
<div><br>
</div>
<div><br>
</div>
<div>
<div>On 7 Jul 2014, at 11:49 pm, Pranith Kumar
Karampuri <<a moz-do-not-send="true" href="mailto:pkarampu@redhat.com">pkarampu@redhat.com</a>>
wrote:</div>
<br class="Apple-interchange-newline">
<blockquote type="cite">
<meta content="text/html; charset=windows-1252" http-equiv="Content-Type">
<div text="#000000" bgcolor="#FFFFFF"> <br>
<div class="moz-cite-prefix">On 07/07/2014 07:03
PM, Gurdeep Singh (Guru) wrote:<br>
</div>
<blockquote cite="mid:19E47DE9-3A91-47EC-8083-3E8E2574A045@bazaari.com.au" type="cite">
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
Hello Niels,
<div><br>
</div>
<div>I did a net hogs on the interface to see
what process might be using the bandwidth,</div>
<div><br>
</div>
<div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);">NetHogs
version 0.8.0</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);
min-height: 14px;"><br>
</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; background-color:
rgb(245, 245, 245);"> PID USER PROGRAM
DEV SENT RECEIVED </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);">18611
root /usr/sbin/glusterfsd
tun0<span class="Apple-tab-span" style="white-space:pre"> </span> 16.307
17.547 KB/sec</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);">1055
root /usr/sbin/glusterfs
tun0<span class="Apple-tab-span" style="white-space:pre"> </span> 17.249
16.259 KB/sec</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);">13439
guru sshd: guru@pts/0
tun0<span class="Apple-tab-span" style="white-space:pre"> </span> 0.966
0.051 KB/sec</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);">18625
root /usr/sbin/glusterfs
tun0<span class="Apple-tab-span" style="white-space:pre"> </span> 0.000
0.000 KB/sec</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);">18629
root /usr/sbin/glusterfs
tun0<span class="Apple-tab-span" style="white-space:pre"> </span> 0.000
0.000 KB/sec</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);">9636
root /usr/sbin/glusterd
tun0<span class="Apple-tab-span" style="white-space:pre"> </span> 0.000
0.000 KB/sec</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);">?
root unknown TCP
0.000
0.000 KB/sec</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);
min-height: 14px;"><br>
</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; background-color:
rgb(245, 245, 245);"> TOTAL
34.523 33.856 KB/sec </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);
min-height: 14px;"><br>
</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245, 245,
245); background-color: rgb(0, 0, 0);
min-height: 14px;"><br>
</div>
<div>
<div><br>
</div>
<div><br>
</div>
</div>
</div>
</blockquote>
Which process corresponds to '1055'?<br>
<br>
Pranith<br>
<blockquote cite="mid:19E47DE9-3A91-47EC-8083-3E8E2574A045@bazaari.com.au" type="cite">
<div>
<div>
<div>Its glusterfs and glusterfsd process.</div>
<div><br>
</div>
<div>I looked at the capture file and see
that the lookup is being made on random
files.</div>
<div><br>
</div>
<div>For PID information, please see this:</div>
<div><br>
</div>
<div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ sudo netstat -tpn |
grep 49152</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 127.0.0.1:49152
127.0.0.1:1012
ESTABLISHED 18611/glusterfsd </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 127.0.0.1:49152
127.0.0.1:1016
ESTABLISHED 18611/glusterfsd </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 127.0.0.1:1016
127.0.0.1:49152
ESTABLISHED 18625/glusterfs </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 10.8.0.6:1021
10.8.0.1:49152
ESTABLISHED 1055/glusterfs </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 10.8.0.6:49152
10.8.0.1:1017
ESTABLISHED 18611/glusterfsd </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 10.8.0.6:1020
10.8.0.1:49152
ESTABLISHED 18629/glusterfs </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 127.0.0.1:1023
127.0.0.1:49152
ESTABLISHED 18629/glusterfs </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 10.8.0.6:49152
10.8.0.1:1022
ESTABLISHED 18611/glusterfsd </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 10.8.0.6:49152
10.8.0.1:1021
ESTABLISHED 18611/glusterfsd </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 127.0.0.1:49152
127.0.0.1:1023
ESTABLISHED 18611/glusterfsd </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 127.0.0.1:1012
127.0.0.1:49152
ESTABLISHED 1055/glusterfs </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">tcp 0 0 10.8.0.6:1019
10.8.0.1:49152
ESTABLISHED 18625/glusterfs </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ ps -v 18611</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">Warning: bad syntax, perhaps a
bogus '-'? See
/usr/share/doc/procps-3.2.8/FAQ</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);"> PID TTY STAT TIME MAJFL
TRS DRS RSS %MEM COMMAND</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">18611 ? Ssl 14:12 0
0 650068 20404 2.0
/usr/sbin/glusterfsd -s srv2
--volfile-id gv0.srv2.root-gluster-vol0
-p /var/lib/glusterd/vols/gv0</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ ps -v 18629</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">Warning: bad syntax, perhaps a
bogus '-'? See
/usr/share/doc/procps-3.2.8/FAQ</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);"> PID TTY STAT TIME MAJFL
TRS DRS RSS %MEM COMMAND</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">18629 ? Ssl 0:04 0
0 333296 17380 1.7
/usr/sbin/glusterfs -s localhost
--volfile-id gluster/glustershd -p
/var/lib/glusterd/glustershd/r</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ ps -v 18629</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">Warning: bad syntax, perhaps a
bogus '-'? See
/usr/share/doc/procps-3.2.8/FAQ</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);"> PID TTY STAT TIME MAJFL
TRS DRS RSS %MEM COMMAND</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">18629 ? Ssl 0:04 0
0 333296 17380 1.7
/usr/sbin/glusterfs -s localhost
--volfile-id gluster/glustershd -p
/var/lib/glusterd/glustershd/run/glustershd.pid
-l /var/log/glusterfs/glustershd.log -S
/var/run/823fa3197e2d1841be888</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ ps -v 18629</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">Warning: bad syntax, perhaps a
bogus '-'? See
/usr/share/doc/procps-3.2.8/FAQ</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);"> PID TTY STAT TIME MAJFL
TRS DRS RSS %MEM COMMAND</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">18629 ? Ssl 0:04 0
0 333296 17380 1.7
/usr/sbin/glusterfs -s localhost
--volfile-id gluster/glustershd -p
/var/lib/glusterd/glustershd/run/glustershd.pid
-l /var/log/glusterfs/glustershd.log -S
/var/run/823fa3197e2d1841be8881500723b063.socket
--xlator-option
*replicate*.node-uuid=84af83c9-0a29-</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ ps -v 18625</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">Warning: bad syntax, perhaps a
bogus '-'? See
/usr/share/doc/procps-3.2.8/FAQ</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);"> PID TTY STAT TIME MAJFL
TRS DRS RSS %MEM COMMAND</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">18625 ? Ssl 0:03 0
0 239528 41040 4.0
/usr/sbin/glusterfs -s localhost
--volfile-id gluster/nfs -p
/var/lib/glusterd/nfs/run/nfs.pid -l
/var/log/glusterfs/nfs.log -S
/var/run/5ad5b036fd636cc5dddffa73593e4089.socket</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ sudo nethogs tun0</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">Waiting for first packet to arrive
(see <a moz-do-not-send="true" href="http://sourceforge.net/">sourceforge.net</a>
bug 1019381)</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ rpm -qa | grep
gluster</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">glusterfs-3.5.1-1.el6.x86_64</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">glusterfs-cli-3.5.1-1.el6.x86_64</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">glusterfs-libs-3.5.1-1.el6.x86_64</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">glusterfs-fuse-3.5.1-1.el6.x86_64</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">glusterfs-server-3.5.1-1.el6.x86_64</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">glusterfs-api-3.5.1-1.el6.x86_64</div>
<div style="margin: 0px; font-size: 10px;
font-family: Monaco; color: rgb(245,
245, 245); background-color: rgb(0, 0,
0);">[guru@srv2 ~]$ </div>
</div>
<div><br>
</div>
<div><br>
</div>
<div>I don’t see anything odd here. Please
suggest.</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Gurdeep.</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>On 7 Jul 2014, at 9:06 pm, Niels de Vos
<<a moz-do-not-send="true" href="mailto:ndevos@redhat.com">ndevos@redhat.com</a>>
wrote:</div>
<br class="Apple-interchange-newline">
<blockquote type="cite">On Sun, Jul 06, 2014
at 11:28:51PM +1000, Gurdeep Singh (Guru)
wrote:<br>
<blockquote type="cite">Hello,<br>
<br>
I have setup gluster in replicate type
and its working fine.<br>
<br>
I am seeing a constant chatting between
the hosts for lookup call and <br>
lookup reply. I am trying to understand
as to why this traffic is <br>
being initiated constantly. Please look
at the attached image. This <br>
traffic is using around 200KB/s of
constant bandwidth and is <br>
exhausting our allocated monthly
bandwidth on our 2 VPS.<br>
</blockquote>
<br>
You can use Wireshark to identify which
process does the LOOKUP calls. <br>
For this, do the following:<br>
<br>
1. select a LOOKUP Call<br>
2. enable the 'packet details' pane (found
in the main menu, 'view')<br>
3. expand the 'Transmission Control
Protocol' tree<br>
4. check the 'Source port' of the LOOKUP
Call<br>
<br>
Together with the 'Source' and the 'Source
port' you can go to the <br>
server that matches the 'Source' address.
A command like this would give <br>
you the PID of the process in the right
column:<br>
<br>
# netstat -tpn | grep $SOURCE_PORT<br>
<br>
And with 'ps -v $PID' you can check which
process is responsible for the <br>
LOOKUP. This process can be a fuse-mount,
self-heal-daemon or any other <br>
glusterfs-client. Depending on the type of
client, you maybe can tune <br>
the workload or other options a little.<br>
<br>
In Wireshark you can also check what
filename is LOOKUP'd, just expand <br>
the 'GlusterFS' part in the 'packet
details' and check the 'Basename'. <br>
Maybe this filename (without directory
structure) does give you any <br>
ideas of which activity is causing the
LOOKUPs.<br>
<br>
HTH,<br>
Niels<br>
<br>
<blockquote type="cite"><br>
The configuration I have for Gluster is:<br>
<br>
[guru@srv1 ~]$ sudo gluster volume info<br>
[sudo] password for guru: <br>
<br>
Volume Name: gv0<br>
Type: Replicate<br>
Volume ID:
dc8dc3f2-f5bd-4047-9101-acad04695442<br>
Status: Started<br>
Number of Bricks: 1 x 2 = 2<br>
Transport-type: tcp<br>
Bricks:<br>
Brick1: srv1:/root/gluster-vol0<br>
Brick2: srv2:/root/gluster-vol0<br>
Options Reconfigured:<br>
cluster.lookup-unhashed: on<br>
performance.cache-refresh-timeout: 60<br>
performance.cache-size: 1GB<br>
storage.health-check-interval: 30<br>
<br>
<br>
<br>
Please suggest how to fine tune the RPC
calls/reply. <br>
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