<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 22 Oct 2012, at 19:48, Vladimir Blagojevic wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hey guys,<br><br>Erik noted that we should by default have no failover policy installed <br>rather the default random policy we currently have.</div></blockquote><div>The random policy tries to re-run the task in case of a cluster failure. I imagine the user would do the same, so not sure why not to add it..</div><div>Erik, mind comment about the cons of having this failover in place? </div><div> </div><blockquote type="cite"><div> Also he noted that <br>keys are never supplied to failover policy and they might be important <br>when it comes to a deciding where to dispatch the failed over task.<br></div></blockquote>The main reason for passing the keys is in order to calculate the locality of the task based on consistent hash. We don't have a reference to the consistent hash in the DistributedTaskFailoverPolicy, so not sure this would be useful as it is.</div><div><blockquote type="cite"><div><br>Our current interface is :<br><br>public interface DistributedTaskFailoverPolicy {<br>Address failover(Address failedExecution, List<Address> <br>executionCandidates, Exception cause);<br>}<br><br>Rather than adding yet another parameter here maybe we should make a <br>simple container class<br><br>public class FailoverContext {<br><br>Address failedExecution;<br>List<Address> executionCandidates;<br>Exception cause;<br>List<Object> inputKeys;<br>}<br><br>and have<br><br><br>public interface DistributedTaskFailoverPolicy {<br>Address failover(FailoverContext context);<br>}<br><br>WDYT?<br><br>Regards,<br>Vladimir<br>_______________________________________________<br>infinispan-dev mailing list<br><a href="mailto:infinispan-dev@lists.jboss.org">infinispan-dev@lists.jboss.org</a><br>https://lists.jboss.org/mailman/listinfo/infinispan-dev<br></div></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; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><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; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-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; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-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; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-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; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-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>Cheers,</div><div>-- <br>Mircea Markus</div><div>Infinispan lead (<a href="http://www.infinispan.org">www.infinispan.org</a>)</div><div><br></div></div></span></div></span></div></span></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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