<html>
  <head>
    <meta content="text/html; charset=windows-1252"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    <p>Hi Deepak, <br>
    </p>
    <p>Are you reading a small file data-set or large files data-set and
      secondly, volume is mounted using which protocol?<br>
    </p>
    <p>for small files data-set :-</p>
    <p>
      <meta http-equiv="content-type" content="text/html;
        charset=windows-1252">
    </p>
    <p>
      <meta charset="utf-8">
      <b style="font-weight:normal;"
        id="docs-internal-guid-d67243dc-ad82-c74b-4cb8-0d710b813167">
        <p dir="ltr"
          style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">gluster volume set <b>vol-name</b> cluster.lookup-optimize </span><span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">on (default=off)</span></p>
        <p dir="ltr"
          style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">gluster volume set <b>vol-name</b> server.event-threads </span><span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">4 (default=2)</span></p>
        <p dir="ltr"
          style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">gluster volume set <b>vol-name</b> client.event-threads </span><span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">4 </span><b
            style="font-weight:normal;"
            id="docs-internal-guid-d67243dc-ad82-c74b-4cb8-0d710b813167"><span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;">(default=2)</span></b></p>
      </b></p>
    <p>and do a re-balance on the volume and then check the performance,
      we generally see a performance bump up when we turn these
      parameter on.</p>
    <p>Thanks &amp; regards</p>
    <p>Karan Sandha<br class="Apple-interchange-newline">
    </p>
    <br>
    <div class="moz-cite-prefix">On 03/08/2017 02:21 AM, Deepak Naidu
      wrote:<br>
    </div>
    <blockquote
      cite="mid:131704adcfed40cea77cb01c973861e5@HQMAIL105.nvidia.com"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html;
        charset=windows-1252">
      <meta name="Generator" content="Microsoft Word 14 (filtered
        medium)">
      <style><!--
/* Font Definitions */
@font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:11.0pt;
        font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:purple;
        text-decoration:underline;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
        {mso-style-priority:34;
        margin-top:0in;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:.5in;
        margin-bottom:.0001pt;
        font-size:11.0pt;
        font-family:"Calibri","sans-serif";}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:"Calibri","sans-serif";
        color:windowtext;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-family:"Calibri","sans-serif";}
@page WordSection1
        {size:8.5in 11.0in;
        margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
        {page:WordSection1;}
/* List Definitions */
@list l0
        {mso-list-id:2020428024;
        mso-list-type:hybrid;
        mso-list-template-ids:989129724 1166981432 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
        {mso-level-start-at:0;
        mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Symbol;
        mso-fareast-font-family:Calibri;
        mso-bidi-font-family:"Times New Roman";}
@list l0:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l0:level3
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
@list l0:level4
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Symbol;}
@list l0:level5
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l0:level6
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
@list l0:level7
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Symbol;}
@list l0:level8
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l0:level9
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
ol
        {margin-bottom:0in;}
ul
        {margin-bottom:0in;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
      <div class="WordSection1">
        <p class="MsoNormal">Is there are any tuning param for READ,  I
          need to set to get maximum throughput on glusterfs distributed
          volume read performance. Currently, I am trying to compare
          this with my local SSD Disk performance.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt &quot;Times New Roman&quot;">        
              </span></span></span><!--[endif]-->My local SSD(/dev/sdb)
          can random read 6.3TB in 56 minutes on XFS filesystem.<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt &quot;Times New Roman&quot;">        
              </span></span></span><!--[endif]-->I have 2x node
          distributed glusterfs volume. When I read the same workload,
          it takes around 63 minutes.  <o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt &quot;Times New Roman&quot;">        
              </span></span></span><!--[endif]-->Network is IPoIB using
          RDMA. Infiniband network is 1x 100 Gb/sec (4X EDR)<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Any suggestion is appreciated.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">--<o:p></o:p></p>
        <p class="MsoNormal">Deepak<o:p></o:p></p>
      </div>
      <div>
        <hr>
      </div>
      <div>This email message is for the sole use of the intended
        recipient(s) and may contain confidential information.  Any
        unauthorized review, use, disclosure or distribution is
        prohibited.  If you are not the intended recipient, please
        contact the sender by reply email and destroy all copies of the
        original message. </div>
      <div>
        <hr>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Gluster-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Gluster-users@gluster.org">Gluster-users@gluster.org</a>
<a class="moz-txt-link-freetext" href="http://lists.gluster.org/mailman/listinfo/gluster-users">http://lists.gluster.org/mailman/listinfo/gluster-users</a></pre>
    </blockquote>
    <br>
  </body>
</html>