# 16Gb RAM / 8 cores : best config? **URL:** \ **Category:** Elasticsearch\ **Created:** [December 31, 2013, 12:47pm UTC](https://discuss.elastic.co/t/16gb-ram-8-cores-best-config/15062 "2013-12-31T12:47:05Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Yann\_Barraud](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/yann_barraud/32/1108_2.png) [@Yann\_Barraud](https://discuss.elastic.co/u/Yann_Barraud)\ **Post date:** [December 31, 2013, 12:47pm UTC](https://discuss.elastic.co/t/16gb-ram-8-cores-best-config/15062/1 "2013-12-31T12:47:05Z")
Hi What would be the best cubic for ES running on a dedicated machine with 16 Gb of RAM & 8 cores ? Thanks, Yann -- 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+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/7c91a40b-c99e-4894-961d-f99f01803a34%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/7c91a40b-c99e-4894-961d-f99f01803a34%40googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![jprante](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jprante/32/44941_2.png) [@jprante](https://discuss.elastic.co/u/jprante)\ **Post date:** [December 31, 2013, 4:47pm UTC](https://discuss.elastic.co/t/16gb-ram-8-cores-best-config/15062/2 "2013-12-31T16:47:35Z")
No easy answer, it depends on your OS and your requirements - indexing load, searching load, analytics ... you should start with ES default settings and heap size increased to 50% of RAM, that is 8G Jörg -- 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+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFi\_LSygR1WSJhetfo97WjoE\_niZ1T2r%2BpP%2BvHCJMfE3w%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFi_LSygR1WSJhetfo97WjoE_niZ1T2r%2BpP%2BvHCJMfE3w%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Yann\_Barraud](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/yann_barraud/32/1108_2.png) [@Yann\_Barraud](https://discuss.elastic.co/u/Yann_Barraud)\ **Post date:** [January 1, 2014, 11:29am UTC](https://discuss.elastic.co/t/16gb-ram-8-cores-best-config/15062/3 "2014-01-01T11:29:36Z")
Hi, Thanks for the answer. I have an index with 2,5M docs, and 8,5 Go. I'm doing fuzzylikethisfield queries, and custom score queries. OS is ubuntu, virtualized. And the results are really slow. As if it was running an a single core... Cordialement, Yann Barraud 2013/12/31 [joergprante@gmail.com](mailto:joergprante@gmail.com) [joergprante@gmail.com](mailto:joergprante@gmail.com) > No easy answer, it depends on your OS and your requirements - indexing > load, searching load, analytics ... you should start with ES default > settings and heap size increased to 50% of RAM, that is 8G > > Jörg > > -- > You received this message because you are subscribed to a topic in the > Google Groups "elasticsearch" group. > To unsubscribe from this topic, visit > [https://groups.google.com/d/topic/elasticsearch/r5wx8u2prns/unsubscribe](https://groups.google.com/d/topic/elasticsearch/r5wx8u2prns/unsubscribe). > To unsubscribe from this group and all its topics, send an email to > [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > To view this discussion on the web visit > [https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFi\_LSygR1WSJhetfo97WjoE\_niZ1T2r%2BpP%2BvHCJMfE3w%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFi_LSygR1WSJhetfo97WjoE_niZ1T2r%2BpP%2BvHCJMfE3w%40mail.gmail.com) > . > > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- 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+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CA%2BhvuXd820HakDfKT%3DkWZf3Kzp\_a5q6seyZJ4-fVBUXyGra6HA%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CA%2BhvuXd820HakDfKT%3DkWZf3Kzp_a5q6seyZJ4-fVBUXyGra6HA%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![jprante](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jprante/32/44941_2.png) [@jprante](https://discuss.elastic.co/u/jprante)\ **Post date:** [January 1, 2014, 11:55am UTC](https://discuss.elastic.co/t/16gb-ram-8-cores-best-config/15062/4 "2014-01-01T11:55:30Z")
Do not use VM if you want maximum single node performance. And, fuzzylikethis is slow, yes. Have you tried the parameters minSimilarity, prefixLength, ignoreTF, maxnumterms? Or use another query type which is faster? Jörg -- 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+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAKdsXoErV1%2Bb%3DQrx-ZQodzDJAGMjC%3DAxE0f6iR0rBtEUrcqmPg%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAKdsXoErV1%2Bb%3DQrx-ZQodzDJAGMjC%3DAxE0f6iR0rBtEUrcqmPg%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Yann\_Barraud](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/yann_barraud/32/1108_2.png) [@Yann\_Barraud](https://discuss.elastic.co/u/Yann_Barraud)\ **Post date:** [January 3, 2014, 10:34am UTC](https://discuss.elastic.co/t/16gb-ram-8-cores-best-config/15062/5 "2014-01-03T10:34:16Z")
Hi, I will take a look at this. I can't have nothing but a VM ATM. And I think fuzzylikethis is the good one for me (running this bvefore rescoring with my dedup plugin). But I did not have a look at those params. Thanks for pointing me, I'll let you know... Cordialement, Yann Barraud 2014/1/1 [joergprante@gmail.com](mailto:joergprante@gmail.com) [joergprante@gmail.com](mailto:joergprante@gmail.com) > Do not use VM if you want maximum single node performance. > > And, fuzzylikethis is slow, yes. Have you tried the parameters > minSimilarity, prefixLength, ignoreTF, maxnumterms? > > Or use another query type which is faster? > > Jörg > > -- > You received this message because you are subscribed to a topic in the > Google Groups "elasticsearch" group. > To unsubscribe from this topic, visit > [https://groups.google.com/d/topic/elasticsearch/r5wx8u2prns/unsubscribe](https://groups.google.com/d/topic/elasticsearch/r5wx8u2prns/unsubscribe). > To unsubscribe from this group and all its topics, send an email to > [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > To view this discussion on the web visit > [https://groups.google.com/d/msgid/elasticsearch/CAKdsXoErV1%2Bb%3DQrx-ZQodzDJAGMjC%3DAxE0f6iR0rBtEUrcqmPg%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAKdsXoErV1%2Bb%3DQrx-ZQodzDJAGMjC%3DAxE0f6iR0rBtEUrcqmPg%40mail.gmail.com) > . > > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- 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+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CA%2BhvuXfzftwVBDYJtc%2BjAW8Rjggre8UF\_3Fy%3DkNd-\_ewQHL84Q%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CA%2BhvuXfzftwVBDYJtc%2BjAW8Rjggre8UF_3Fy%3DkNd-_ewQHL84Q%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 1:58am UTC](https://discuss.elastic.co/t/16gb-ram-8-cores-best-config/15062/6 "2017-07-06T01:58:31Z")