tvalentyn commented on code in PR #22419:
URL: https://github.com/apache/beam/pull/22419#discussion_r933588821
##########
sdks/python/apache_beam/io/filesystem.py:
##########
@@ -166,6 +177,9 @@ def _initialize_decompressor(self):
self._decompressor = bz2.BZ2Decompressor()
elif self._compression_type == CompressionTypes.DEFLATE:
self._decompressor = zlib.decompressobj()
+ elif self._compression_type == CompressionTypes.ZSTD:
+ self._decompressor = zstandard.ZstdDecompressor(
+ max_window_size=2147483648).decompressobj()
Review Comment:
can we also add a unit test exercising this compression on a small payload?
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