<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; ">Hi.<div><br></div><div>Found this comment on RolapEvaluatorRoot while analyzing query performance:</div><div><br></div><div><a href="https://github.com/pentaho/mondrian/blob/master/src/main/mondrian/rolap/RolapEvaluatorRoot.java#L104">https://github.com/pentaho/mondrian/blob/master/src/main/mondrian/rolap/RolapEvaluatorRoot.java#L104</a></div><div><br></div><div><br></div><div><div> // This fragment is a concurrency bottleneck, so use a cache of</div><div> // hierarchy usages.</div><div> final HierarchyUsage hierarchyUsage = cube.getFirstUsage(hierarchy);</div><div> if (hierarchyUsage != null) {</div><div> if (defaultMember instanceof RolapMemberBase) {</div><div> ((RolapMemberBase) defaultMember).makeUniqueName(</div><div> hierarchyUsage);</div><div> }</div><div> }</div></div><div><br></div><div><br></div><div>I was directed to this class because my logs showed that makeUniqueName is being repeatedly called while running the query, even though the member already has its unique name assigned.</div><div><br></div><div>Does anyone know why this is a concurrency bottleneck?</div><div><br></div><div><br></div><div>thanks,</div><div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><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>Pedro Vale <span class="Apple-tab-span" style="white-space: pre; "> </span><br>Webdetails Dev Lead </div><div><br></div><div><a href="http://www.webdetails.pt/">http://www.webdetails.pt</a></div><div><br></div></div></span><br class="Apple-interchange-newline"></div></span><br class="Apple-interchange-newline"></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
</div>
<br></div></body></html>