Hey Johannes, On Wed, Apr 20, 2011 at 3:37 PM, Johannes Zillmann <[email protected]> wrote: > Should it contain all hosts which contains a replica of any of the blocks, > sorted in a way the the hosts which contributes the most data come first ? > Or should it contains only those host which were determined as most optimal > regarding the data-locality during the splitting-process. > > F.e. in case (a). Should the location array only contain this one host, or > should it contain all hosts but the one host with all the blocks should > simply be on the first position ?
Its better to send all locations for maximal locality, but the order is not considered AFAIK. Its the order of TT heartbeats at the JT that matters, instead. -- Harsh J
