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While preparing PR #16701, we identified an inconsistency in the chunk format documentation. The `varint` encoding can require up to 10 bytes for a 64-bit integer, such as when timestamps are encoded. However, the chunk length field is a 32-bit integer, which requires at most 5 bytes in `varint` encoding. This is reflected in the code, where a maximum of 5 bytes are read when parsing the chunk length.50ba25f273/tsdb/chunks/chunks.go (L709-L711)50ba25f273/tsdb/chunks/chunks.go (L47-L48)Co-authored-by: Istvan Zoltan Ballok <istvan.zoltan.ballok@sap.com> Signed-off-by: Victor Herrero Otal <victor.herrero.otal@sap.com>