Hi Jacek, On Fri, 4 Sep 2015, Jacek Becla wrote: > Andy > > I am not sure I see the connection between assigning query > to a different czar and your comment "if we explode queries > into 1000's of pieces and then try to handle reassembly in > a single place" As we saw, a czar can easily become overwhelmed getting back all the results from a sharded query. My take is that the number of czars needed to launch queries is substantially less than the number of "czars" neeed to get the results. That's what I was alluding to. Andy ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the QSERV-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=QSERV-L&A=1