<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hello Pranith,<div><br></div><div>The version I am using is 3.5.1.1</div><div><br></div><div>I did a wireshark capture and from looking at gluster information found that RPC lookup is being made for random files.</div><div><br></div><div>Gurdeep.<br><div apple-content-edited="true"><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><br></div><div><br></div></div>
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<br><div><div>On 7 Jul 2014, at 7:19 pm, Pranith Kumar Karampuri <<a href="mailto:pkarampu@redhat.com">pkarampu@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<div class="moz-cite-prefix">On 07/06/2014 06:58 PM, Gurdeep Singh
(Guru) wrote:<br>
</div>
<blockquote cite="mid:D5C73F7C-8A9D-42B2-994B-68507333896F@bazaari.com.au" type="cite">
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Hello,
<div><br>
</div>
<div>I have setup gluster in replicate type and its working fine.</div>
<div><br>
</div>
<div>I am seeing a constant chatting between the hosts for lookup
call and lookup reply. I am trying to understand as to why this
traffic is being initiated constantly. Please look at the
attached image. This traffic is using around 200KB/s of constant
bandwidth and is exhausting our allocated monthly bandwidth on
our 2 VPS.</div>
</blockquote>
Self-heal-daemon tries to check if there is anything that needs
healing every 10 minutes. Those RPCs are lookups. Could you check
from the tcpdump if it is generating from self-heal-daemon? Which
version of gluster are you using? I think there is a way to increase
this 'time' in latest versions.<br>
<br>
Pranith<br>
<blockquote cite="mid:D5C73F7C-8A9D-42B2-994B-68507333896F@bazaari.com.au" type="cite">
<div><br>
</div>
<div>The configuration I have for Gluster is:</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@srv1
~]$ sudo gluster volume info</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">[sudo]
password for guru: </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 class="webkit-block-placeholder">
</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Volume
Name: gv0</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Type:
Replicate</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Volume
ID: dc8dc3f2-f5bd-4047-9101-acad04695442</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Status:
Started</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Number
of Bricks: 1 x 2 = 2</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Transport-type:
tcp</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Bricks:</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Brick1:
srv1:/root/gluster-vol0</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Brick2:
srv2:/root/gluster-vol0</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">Options
Reconfigured:</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">cluster.lookup-unhashed:
on</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">performance.cache-refresh-timeout:
60</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">performance.cache-size:
1GB</div>
<div style="margin: 0px; font-size: 10px; font-family: Monaco;
color: rgb(245, 245, 245); background-color: rgb(0, 0, 0);">storage.health-check-interval:
30</div>
</div>
<div><br>
</div>
<div><span><Mail Attachment.png></span></div>
<div><br>
</div>
<div>Please suggest how to fine tune the RPC calls/reply. </div>
<div><br>
</div>
<div>Thanks,</div>
<div>Gurdeep. </div>
<br>
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