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<p style="margin-top:0;margin-bottom:0">They more or less don't. They only come in to play for applications that explicitly ask for them and the implementation is fast and efficient (it's tied in to the standard Lustre locking mechanisms)</p>
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<p style="margin-top:0;margin-bottom:0">- Patrick</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> lustre-discuss <lustre-discuss-bounces@lists.lustre.org> on behalf of E.S. Rosenberg <esr+lustre@mail.hebrew.edu><br>
<b>Sent:</b> Sunday, November 26, 2017 1:03:39 PM<br>
<b>To:</b> Torsten Harenberg<br>
<b>Cc:</b> lustre-discuss@lists.lustre.org<br>
<b>Subject:</b> Re: [lustre-discuss] Lustre and Elasticsearch</font>
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<div>Hi Torsten,<br>
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Thanks that worked!<br>
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Do you or anyone on the list know if/how flock affects Lustre performance? <br>
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Thanks again,<br>
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<div>Eli<br>
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<div class="x_gmail_extra"><br>
<div class="x_gmail_quote">On Tue, Nov 21, 2017 at 9:18 AM, Torsten Harenberg <span dir="ltr">
<<a href="mailto:torsten.harenberg@cern.ch" target="_blank">torsten.harenberg@cern.ch</a>></span> wrote:<br>
<blockquote class="x_gmail_quote" style="margin:0 0 0 .8ex; border-left:1px #ccc solid; padding-left:1ex">
Hi Eli,<br>
<br>
Am 21.11.17 um 01:26 schrieb E.S. Rosenberg:<br>
<span class="">> So I was wondering would this issue be solved by Lustre bindings for<br>
> Java or is this a way of locking that isn't supported by Lustre?<br>
<br>
</span>I know nothing about Elastic Search, but have you tried to mount Lustre<br>
with "flock" in the mount options?<br>
<br>
Cheers<br>
<span class="x_HOEnZb"><font color="#888888"><br>
Torsten<br>
<br>
--<br>
<><><><><><><><><><><><><><><><wbr><><><><><><><><><><><><><><><><wbr><><><><br>
<> <><br>
<> Dr. Torsten Harenberg <a href="mailto:Torsten.Harenberg@cern.ch">Torsten.Harenberg@cern.ch</a> <><br>
<> Bergische Universitaet <><br>
<> Fakutät 4 - Physik Tel.: <a href="tel:%2B49%20%280%29202%20439-3521" value="+492024393521">
+49 (0)202 439-3521</a> <><br>
<> Gaussstr. 20 Fax : <a href="tel:%2B49%20%280%29202%20439-2811" value="+492024392811">
+49 (0)202 439-2811</a> <><br>
<> 42097 Wuppertal @CERN: Bat. 1-1-049 <><br>
<> <><br>
<><><><><><><>< Of course it runs NetBSD <a href="http://www.netbsd.org" rel="noreferrer" target="_blank">
http://www.netbsd.org</a> ><><br>
</font></span></blockquote>
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