Why do you set up more than one JVM per machine? Jörg
On Wed, Mar 19, 2014 at 10:36 AM, Herbert Bodner <[email protected]>wrote: > Hey, > I have about 7 million documents in my ES cluster using default > configurations (5 shards, 1 replica). > I set up 4 virtual machines with similar configurations on a 8 core > server, each virtual machine assigned with 2 virtual cores and 4 GB memory. > On each node I installed Elasticsearch. > I did several search tests to measure query response time and the results > are a bit confusing: > > 1. When using only a single node, I get the best response time. > 2. When using a 2-node cluster response time increases significantly, > meaning the response time gets worse (the more found documents the worse > the response time) > 3. For a three- or four-node cluster the response time improves again and > is at the level of the single-node configuration. > > Any idea why the 2-node cluster has such a bad performance compared to the > other configurations? > > cheers > Herbert > > -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/4068f0a2-50dc-4f4a-9f51-6e12dced4e80%40googlegroups.com<https://groups.google.com/d/msgid/elasticsearch/4068f0a2-50dc-4f4a-9f51-6e12dced4e80%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAKdsXoGF%3DhT5BbT8dR6nuBq29CPB75kjY-SDwNvSZDX9tV%3DjDA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
