Best zip compression level for JSON or text files? [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 11 years ago.

Has anyone performed some tests 开发者_JS百科(size and speed) for the selection of the 'best' compression level of the Java zip deflater, to be used on general/miscellaneous JSON or text files? If yes which level do you recommend? Thanks.

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I could not find a precise answer to this question, but someone came with something close enough.