<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=UTF-8" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Michael Neale wrote:
<blockquote cite="mid:50F08D8B-BF74-473E-98A5-FF24DB084FFA@gmail.com"
type="cite">
<pre wrap="">I am not aware of peasimistic locking use being very common. When
people want it, it's generally cause the GUI suggests it (eg bob wants
to view a file, but Alice has it locked)
</pre>
</blockquote>
With optimistic locking we can just submit our update and it fails if
something else updted the recorded in the mean time - doing a counter
comparison. With pessemistic we have to download the record first,
compare them, and then upload. As what we are comparing in a binary
blob, we want to avoid pulling that from the db.<br>
<br>
Mark<br>
<blockquote cite="mid:50F08D8B-BF74-473E-98A5-FF24DB084FFA@gmail.com"
type="cite">
<pre wrap="">Sent from my phone.
On 13/11/2009, at 10:27 AM, Salaboy <a class="moz-txt-link-rfc2396E" href="mailto:salaboy@gmail.com"><salaboy@gmail.com></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I suppose that the versión field its being used. So, the default must
be optimistic
- Ing. Mauricio Salatino -
On Nov 12, 2009, at 9:43 PM, Michael Neale <a class="moz-txt-link-rfc2396E" href="mailto:michael.neale@gmail.com"><michael.neale@gmail.com></a>
wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I thought optimistic locking was the default ? Or do you mean you
know
how to switch, just that it doesn't work?
Sent from my phone.
On 13/11/2009, at 8:16 AM, Salaboy <a class="moz-txt-link-rfc2396E" href="mailto:salaboy@gmail.com"><salaboy@gmail.com></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I Will take a look on that
Sent from my iPhone
On Nov 12, 2009, at 7:33 PM, Mark Proctor <a class="moz-txt-link-rfc2396E" href="mailto:mproctor@codehaus.org"><mproctor@codehaus.org></a>
wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Any hibernate guru's out there? Currently the persistence stuff
uses
pessematic locking, which is slow, in theory we should be using
optimistic locking, but I couldn't get it to work. Anyone want to
give
that a go?
Mark
_______________________________________________
rules-dev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:rules-dev@lists.jboss.org">rules-dev@lists.jboss.org</a>
<a class="moz-txt-link-freetext" href="https://lists.jboss.org/mailman/listinfo/rules-dev">https://lists.jboss.org/mailman/listinfo/rules-dev</a>
</pre>
</blockquote>
<pre wrap="">_______________________________________________
rules-dev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:rules-dev@lists.jboss.org">rules-dev@lists.jboss.org</a>
<a class="moz-txt-link-freetext" href="https://lists.jboss.org/mailman/listinfo/rules-dev">https://lists.jboss.org/mailman/listinfo/rules-dev</a>
</pre>
</blockquote>
<pre wrap="">_______________________________________________
rules-dev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:rules-dev@lists.jboss.org">rules-dev@lists.jboss.org</a>
<a class="moz-txt-link-freetext" href="https://lists.jboss.org/mailman/listinfo/rules-dev">https://lists.jboss.org/mailman/listinfo/rules-dev</a>
</pre>
</blockquote>
<pre wrap="">_______________________________________________
rules-dev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:rules-dev@lists.jboss.org">rules-dev@lists.jboss.org</a>
<a class="moz-txt-link-freetext" href="https://lists.jboss.org/mailman/listinfo/rules-dev">https://lists.jboss.org/mailman/listinfo/rules-dev</a>
</pre>
</blockquote>
<pre wrap=""><!---->
_______________________________________________
rules-dev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:rules-dev@lists.jboss.org">rules-dev@lists.jboss.org</a>
<a class="moz-txt-link-freetext" href="https://lists.jboss.org/mailman/listinfo/rules-dev">https://lists.jboss.org/mailman/listinfo/rules-dev</a>
</pre>
</blockquote>
<br>
</body>
</html>