If you only have 3 nodes, I would just stick to the defaults, which is both
master and data.
Having dedicated master (no data) nodes helps because it helps eliminate
OOM pressures since the actual data lives elsewhere. With so few nodes,
every machine should hold a portion of the data. Dedicated master nodes
make sense when you have a bigger cluster IMHO.
Besides the number of documents and their size, the most important metric
is how many fields are indexed and what type. Dozens of analyzed string
fields per document might encountered memory problems. Few fields and
mainly numerical data? You would have no problems.
I would start off with the defaults and only make changes if you notice
some erroneous pattern.
Cheers,
Ivan
On Wed, Aug 20, 2014 at 11:14 AM, IronMan2014 sabdalla80@gmail.com wrote:
I also wanted to add, while reading up on this topic, dedicating a master
only node kept popping up.
With this configuration:
node 1 {master=yes, node.data = false}
node 2 {master=no, node.data = yes}
node 3 {master=no, node.data = yes}
What happens if node1 the master encounters a network issue?
On Wednesday, August 20, 2014 1:30:17 PM UTC-4, IronMan2014 wrote:
I know I have more reading to do, but some of the terms are still
confusing to me.
I would like to index about 5-6 million documents, doc is about 5k in
size.
Everything lives on the cloud, feeder instances and index instances.
The 3 nodes are eligible to be master nodes.
Should I make the three nodes masters, should they be "node.data" = true?
Does making the 3 nodes masters reduce split brain problem?
Can someone elaborate on what I need to be thinking about while trying to
come up with the best configuration?
Thanks
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