if i set 4Gb heap for 8Gb system master node only, for what purposes are the remaning 4GB ?
For the filesystem cache (but the master don't do IOs) ? Le mardi 11 novembre 2014 22:46:50 UTC+1, Mark Walkom a écrit : > > You should use 50% of your system memory for heap. > > A client is just a node that is neither a master or a data node, though > once you set a node to master, you can leverage it as a client as well. > > On 12 November 2014 05:02, lagarutte via elasticsearch < > [email protected] <javascript:>> wrote: > >> Ok, since the master doesn't contain any data, and don't do lot ofs IOs: >> For 8GB RAM, what's the recommended HEAP_SIZE ? 7GB >> >> >> and i don't fully understand the client (query management node). >> Today, i have set node.master=true and node.data=true. >> and with new master only, i will have masters only nodes and data only >> nodes. >> >> >> What the correct setting for client node ? node.client=true (with >> node.master=false and node.data=false) with http adress set ? >> so i don't need to tell the masters adress to the other applications like >> logstash, tomcat, ... ? >> >> >> Le mardi 11 novembre 2014 09:45:17 UTC+1, Mark Walkom a écrit : >>> >>> I'd suggest you go for 8GB system RAM with a small disk and then also >>> use these nodes as clients - ie query management. >>> >>> You may need more RAM, but that should be a good start. >>> >>> On 11 November 2014 19:35, lagarutte via elasticsearch < >>> [email protected]> wrote: >>> >>>> Hello, >>>> I'm currently thinking of creating VM nodes for the masters. >>>> >>>> Today, several nodes have master and data node roles. >>>> But I have OOM memory errors and so masters crashed frequently. >>>> >>>> What would be the correct hardware sizing for a master node only (like >>>> 2 CPUs, 4GB RAM) for managing a cluster of 20 data nodes with 4000 shards ? >>>> >>>> >>>> regards >>>> >>>> -- >>>> 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/6447f37c-68d7-4c22-aa1f-4bbf022df3b7% >>>> 40googlegroups.com >>>> <https://groups.google.com/d/msgid/elasticsearch/6447f37c-68d7-4c22-aa1f-4bbf022df3b7%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] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elasticsearch/2a49b009-4522-45b1-86af-9bafdb56db95%40googlegroups.com >> >> <https://groups.google.com/d/msgid/elasticsearch/2a49b009-4522-45b1-86af-9bafdb56db95%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/0b48c2e8-9e95-46bd-80f7-d99e67980ada%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
