Oh, isn't that easier! Need more coffee before suggesting things.. Thanks, Erick
On Fri, May 4, 2012 at 8:16 PM, Lance Norskog <goks...@gmail.com> wrote: > If you are not using SolrCloud, splitting an index is simple: > 1) copy the index > 2) remove what you do not want via "delete-by-query" > 3) Optimize! > > #2 brings up a basic design question: you have to decide which > documents go to which shards. Mostly people use a value generated by a > hash on the actual id- this allows you to assign docs evenly. > > http://wiki.apache.org/solr/UniqueKey > > On Fri, May 4, 2012 at 4:28 PM, Young, Cody <cody.yo...@move.com> wrote: >> You can also make a copy of your existing index, bring it up as a second >> instance/core and then send delete queries to both indexes. >> >> -----Original Message----- >> From: Erick Erickson [mailto:erickerick...@gmail.com] >> Sent: Friday, May 04, 2012 8:37 AM >> To: solr-user@lucene.apache.org >> Subject: Re: Single Index to Shards >> >> There's no way to split an _existing_ index into multiple shards, although >> some of the work on SolrCloud is considering being able to do this. You have >> a couple of choices here: >> >> 1> Just reindex everything from scratch into two shards >> 2> delete all the docs from your index that will go into shard 2 and >> 2> just >> index the docs for shard 2 in your new shard >> >> But I want to be sure you're on the right track here. You only need to shard >> if your index contains "too many" documents for your hardware to produce >> decent query rates. If you are getting (and I'm picking this number out of >> thin air) 50 QPS on your hardware (i.e. you're not stressing memory >> etc) and just want to get to 150 QPS, use replication rather than sharding. >> >> see: http://wiki.apache.org/solr/SolrReplication >> >> Best >> Erick >> >> On Fri, May 4, 2012 at 9:44 AM, michaelsever <sever_mich...@bah.com> wrote: >>> If I have a single Solr index running on a Core, can I split it or >>> migrate it into 2 shards? >>> >>> -- >>> View this message in context: >>> http://lucene.472066.n3.nabble.com/Single-Index-to-Shards-tp3962380.ht >>> ml Sent from the Solr - User mailing list archive at Nabble.com. > > > > -- > Lance Norskog > goks...@gmail.com
