<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; ">Looking at your profiler snapshot, these locks are in the Hibernate 2nd level cache implementation for Infinispan. Galder, any ideas?<div><br></div><div>- M</div><div><br><div><div>On 18 Sep 2012, at 13:43, St�le W. Pedersen <<a href="mailto:spederse@redhat.com">spederse@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">hi galder and manik, sorry for sending this mail to so many, but we've ran into a issue that prevents us from further scaling of the specjenterprise2010 benchmark.<br><br>so when doing specjenterprise2010 benchmark testing we've seen a lot of blocks caused by the entity/query cache. we've been testing with only caching a simple entity bean that's read-only and queries related to this entity (selects).<br><br>here is a screenshot of the hotspot found: <a href="https://dl.dropbox.com/u/30971563/specjent_block.png">https://dl.dropbox.com/u/30971563/specjent_block.png</a><br><br>here is the standalone.xml: <a href="https://dl.dropbox.com/u/30971563/standalone-full.xml">https://dl.dropbox.com/u/30971563/standalone-full.xml</a><br><br>here is the orm.xml: <a href="https://dl.dropbox.com/u/30971563/order_orm.xml">https://dl.dropbox.com/u/30971563/order_orm.xml</a><br><br>what we don't understand is why there are so many puts into the cache for an object that is marked as read-only. when we're testing without caching we do not see any blocks.<br><br>any help/ideas would be great. if anyone want a jprofiler snapshot of the run, let me know.<br><br>regards, st�le<br>-- <br>JBoss Performance Team Lead<br>JBoss by Red Hat<br></blockquote></div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>--</div><div>Manik Surtani</div><div><a href="mailto:manik@jboss.org">manik@jboss.org</a></div><div><a href="http://twitter.com/maniksurtani">twitter.com/maniksurtani</a></div><div><br></div><div><div>Platform Architect, JBoss Data Grid</div><div><a href="http://red.ht/data-grid">http://red.ht/data-grid</a></div></div></div></span></div></span></div></span>
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