Reason behind "Index creation no longer defaults to five shard"

What was the reasoning behind ""Index creation no longer defaults to five shard but one shard"

So far, the assumption was , more shards = more scalability = more parallelism
Isnt that change defeating the whole purpose of distributed systems like ES ?

A lot of users use time-based indices and this setting led to a lot of systems being severely oversharded which caused a lot of problems. From that perspective 1 is a much better default.

KISS, an acronym for "keep it simple, stupid" triumphs again :slight_smile:

Start with small , increase gradually on demand

Yes, if you do not have a use case with time-based indices, 5 is probably not the right number anyway.

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