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docs: more than 23 is not supported for CHUNK_MAX_EXP, fixes #3115

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Thomas Waldmann 2017-11-05 21:35:58 +01:00
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docs/misc/create_chunker-params.txt
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@ -7,6 +7,7 @@ CHUNK_MIN_EXP and CHUNK_MAX_EXP give the exponent N of the 2^N minimum and
maximum chunk size. Required: CHUNK_MIN_EXP < CHUNK_MAX_EXP.
Defaults: 19 (2^19 == 512KiB) minimum, 23 (2^23 == 8MiB) maximum.
Currently it is not supported to give more than 23 as maximum.
HASH_MASK_BITS is the number of least-significant bits of the rolling hash
that need to be zero to trigger a chunk cut.