What's a Cluster / Bucket in couchbase Server -


i'm new couchbase , nosql technologies in general, i'm working on web chat application running on node js using express , other modules.

i've chosen work nosql store sessions , needed data on server-side. don't understand important features of couchbase : cluster, bucket? can find clear definitions of how server works?

couchbase uses term cluster in same way many other products, couchbase cluster collection of machines running co-ordinated, distributed system of couchbase nodes.

a bucket couchbase specific term analogous 'database' in traditional rdbms terms. bucket provides container grouping data, both in terms of organisation , grouping of similar data , resource allocation. can configure buckets separately, providing different quotas, different io priorities , different security settings on per bucket basis. buckets primary method namespacing documents in couchbase.

for further information, architecture , concepts overview in couchbase documentation, data storage, starting point. outdated, still useful video on introduction couchbase might useful you.


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