<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 19 Oct 2012, at 02:19, Mircea Markus <<a href="mailto:mircea.markus@jboss.com">mircea.markus@jboss.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 18 Oct 2012, at 16:41, Manik Surtani wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=us-ascii"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 18 Oct 2012, at 17:45, Vladimir Blagojevic <<a href="mailto:vblagoje@redhat.com">vblagoje@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hey guys,<br><br>Investigating why EmbeddedCacheManager#cacheRemove hiccups <br>DistributedTwoNodesMapReduceTest. As you might recall upon end of <br>MapReduceTask there is EmbeddedCacheManager#cacheRemove call to remove <br>intermediate caches across the cluster. </blockquote></div></div></blockquote>I think you meant ECM#removeCache?<br><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><blockquote type="cite">Very often, almost every test <br>run, execution of cache remove is blocked by ongoing transactions that <br>have not completed - more specifically TransactionTable shows pending <br>remote transaction. This in turn prevents cache stop call, which in turn <br>causes a timeout on cache remove thus failing the test.<br><br>MapReduce uses txs in MapReduceManagerImpl#combine - it might well be <br>that there is smth wrong there or it could be that somehow <br></blockquote><div><br></div><div>^^^ Does this mean that to use Map/Reduce now, we *require* that a transaction manager is available, configured and present?</div></div></blockquote>Not really. It's only that the problem Vladimir describes only occurs when you run the MR against transactional caches (there is a tx leak which prevents caches to stop, that should be fixed by a pull request I sent).<br></div></div></blockquote><div><br></div><div>Ok. I was just wondering, since Vladimir did say MR uses txs in MapReduceManagerImpl#combine. Vladimir, could you pls clarify?</div><div><br></div><div>--</div></div><div><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><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>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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