There was a talk about index internals at pgconf.eu that also covered the new BRIN indexes.<p>Slides are here: <a href="http:&#x2F;&#x2F;hlinnaka.iki.fi&#x2F;presentations&#x2F;Index-internals-Vienna2015.pdf" rel="nofollow">http:&#x2F;&#x2F;hlinnaka.iki.fi&#x2F;presentations&#x2F;Index-internals-Vienna2...</a>