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]> 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]. > 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/CAF3ZnZ%3D9FR%3DkU49DTV9KBVnCzz1pDRzPju3yPjy6Awtf%3DwAKGQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
