Hello
I am new to nosql in general and would like some advice on couchbase and
other similar technologies.
I have done some performance testing of a number of technologies and find
the same results with each.
When I do x inserts on a single node I get better performance than when I
add a second node.
Read-performance is much better than insert performance but again a single
node performs better than 2 nodes.
I then thought that if I add the URIs in the buildConnection
URI server = new URI(addresses);
ArrayList<URI> serverList = new ArrayList<URI>();
serverList.add(server);
CouchbaseClient client = new CouchbaseClient(
serverList, "default", "");
In other words by explicitly telling the client about the second node it
should cause double performance but sadly I just got maybe an extra 10%
I then thought if I double the number of client threads because I now have
two servers to target it would double performance but again no: just a
slight increase.
So in summary : would adding an extra node cause an increase or decrease in
throughput (both reading and inserts) ?
And I am getting the same behaviour using other well known nosql
technologies too.
Many thanks in advance.
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