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Fix docs: Snappy compressor works in 64 kB blocks instead of 32 kB now #106

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Fix docs: Snappy compressor works in 64 kB blocks instead of 32 kB now #106

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6 changes: 3 additions & 3 deletions format_description.txt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
Snappy compressed format description
Last revised: 2011-10-05
Last revised: 2020-10-13


This is not a formal specification, but should suffice to explain most
Expand Down Expand Up @@ -76,9 +76,9 @@ yielding a form of run-length encoding (RLE). For instance,

<literal: "xab"> <copy: offset=2 length=4>

Note that since the current Snappy compressor works in 32 kB
Note that since the current Snappy compressor works in 64 kB
blocks and does not do matching across blocks, it will never produce
a bitstream with offsets larger than about 32768. However, the
a bitstream with offsets larger than about 65536. However, the
decompressor should not rely on this, as it may change in the future.

There are several different kinds of copy elements, depending on
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