On Tue, 2014-08-12 at 11:50 +0200, Ramprasad Padmanabhan wrote: > Are there documented benchmarks with number of cores > As of now I just have a test bed. > > > We have 150 million records ( will go up to 1000 M ) , distributed in 400 > cores. > A single machine 16GB RAM + 16 cores search is working "fine"
About 6M records for a single machine. That is not a lot. What is a typical query rate for a core? I would guess that the CPU is idle most of the time and that you could serve quite a lot more cores from a single machine by increasing RAM or using SSDs (if you are not doing so already). How large is a typical core in GB? > But I still am not sure will this work fine in production 16 cores is not many for a single machine and since you can direct any search to a single core, you can scale up forever. What is it you are worried about? > Obviously I can always add more nodes to solr, but I need to justify how > much I need. Are you worried about cost? - Toke Eskildsen, State and University Library, Denmark