http://lmgtfy.com/?q=SLA
wunder On Feb 17, 2011, at 11:04 AM, Dennis Gearon wrote: > What's an 'LSA' > > Dennis Gearon > > > Signature Warning > ---------------- > It is always a good idea to learn from your own mistakes. It is usually a > better > idea to learn from others’ mistakes, so you do not have to make them > yourself. > from 'http://blogs.techrepublic.com.com/security/?p=4501&tag=nl.e036' > > > EARTH has a Right To Life, > otherwise we all die. > > > > > ________________________________ > From: Stijn Vanhoorelbeke <stijn.vanhoorelb...@gmail.com> > To: solr-user@lucene.apache.org; bing...@asu.edu > Sent: Thu, February 17, 2011 4:28:13 AM > Subject: Re: My Plan to Scale Solr > > Hi, > > I'm currently looking at SolrCloud. I've managed to set up a scalable > cluster with ZooKeeper. > ( see the examples in http://wiki.apache.org/solr/SolrCloud for a quick > understanding ) > This way, all different shards / replicas are stored in a centralised > configuration. > > Moreover the ZooKeeper contains out-of-the-box loadbalancing. > So, lets say - you have 2 different shards and each is replicated 2 times. > Your zookeeper config will look like this: > > \config > ... > /live_nodes (v=6 children=4) > lP_Port:7500_solr (ephemeral v=0) > lP_Port:7574_solr (ephemeral v=0) > lP_Port:8900_solr (ephemeral v=0) > lP_Port:8983_solr (ephemeral v=0) > /collections (v=20 children=1) > collection1 (v=0 children=1) "configName=myconf" > shards (v=0 children=2) > shard1 (v=0 children=3) > lP_Port:8983_solr_ (v=4) > "node_name=lP_Port:8983_solr url=http://lP_Port:8983/solr/"; > lP_Port:7574_solr_ (v=1) > "node_name=lP_Port:7574_solr url=http://lP_Port:7574/solr/"; > lP_Port:8900_solr_ (v=1) > "node_name=lP_Port:8900_solr url=http://lP_Port:8900/solr/"; > shard2 (v=0 children=2) > lP_Port:7500_solr_ (v=0) > "node_name=lP_Port:7500_solr url=http://lP_Port:7500/solr/"; > lP_Port:7574_solr_ (v=1) > "node_name=lP_Port:7574_solr url=http://lP_Port:7574/solr/"; > > --> This setup can be realised, by 1 ZooKeeper module - the other solr > machines need just to know the IP_Port were the zookeeper is active & that's > it. > --> So no configuration / installing is needed to realise quick a scalable / > load balanced cluster. > > Disclaimer: > ZooKeeper is a relative new feature - I'm not sure if it will work out in a > real production environment, which has a tight SLA pending. > But - definitely keep your eyes on this stuff - this will mature quickly! > > Stijn Vanhoorelbeke -- Walter Underwood Venture ASM, Troop 14, Palo Alto
