Compression Factor in Document Size


I wanted to understand what is the compression logic followed in Elastic Search for storing of documents?

Any documentation which describes the compression factor would be really helpful in scaling ES for anticipated write load.

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Although this blog post is a bit old, it might give you a start to understand some of the issues at play here. I think in the end there is no such thing as a fixed number, the size used on disc will depend on the kind of data and the analysis it undergoes. So in the end you probably have to measure your storing needs with a small subset of the expected data and then extrapolate from that.

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