"node" is referring to "individual data node". Currently "Reduce" is only done once on the "Client Node", not on each individual data node.
I am just wondering how scalable it is for analytics with current architecture. I would like to hear if anyone had any experience. On Tuesday, December 16, 2014 8:57:28 AM UTC-5, Adrien Grand wrote: > > What you mean with "node level reduce"? > > On Mon, Dec 15, 2014 at 10:52 PM, Yifan Wang <yifan.w...@gmail.com > <javascript:>> wrote: >> >> If I understand correctly, ElasticSearch directly sends query to and >> collects aggregated results from each shard. With number of shards >> increases, Reduce phase on the Client node will become overwhelmed. >> >> One would assume, if ElasticSearch support node level aggregation, the >> "Reduce" becomes distributed so Client node will not become overwhelmed for >> large clusters with lots of shards. I am wondering if ElasticSearch >> supports node level reduce. If not, why? I think this is critical if we >> like ElasticSearch to be truly scalable for analytics. >> >> Thanks. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elasticsearch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to elasticsearc...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elasticsearch/a8f56d70-9738-4768-9637-9159e6955cc2%40googlegroups.com >> >> <https://groups.google.com/d/msgid/elasticsearch/a8f56d70-9738-4768-9637-9159e6955cc2%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > > -- > Adrien Grand > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/575e1709-e421-4a80-9db2-17923bfcb256%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
