michaelsembwever commented on code in PR #2254: URL: https://github.com/apache/cassandra/pull/2254#discussion_r1175529411
########## conf/cassandra.yaml: ########## @@ -566,6 +566,48 @@ commitlog_segment_size: 32MiB # # flush_compression: fast +# +sstable_compressor: +# - class_name: lz4 +# parameters: +# - enable: true +# chunk_length: 16KiB +# min_compress_ratio: 0.0 +# max_comrpessed_length: 16KiB +# class_specific_parameter: value +# +# +# The class_name is the compressor class name. It may be one of the aliases, +# the class name of a system ICompressor implementation, or fully qualified +# name of a class that implements ICompressor. +# +# class aliases are: +# alias system compressor impl. +# lz4 LZ4Compressor, +# none (null) -- disabled +# noop NoopCompressor +# snappy SnappyCompressor +# deflate DeflateCompressor +# zstd ZstdCompressor +# +# The standard parameters are any required or optional parameter for the instantiation of the +# specified class, or one of the following standard parameters: +# parameter usage +# enable Disables compression if set to false. Defaults to true. +# chunk_length The lenght of the compresson chunks, defaults to 16KiB +# min_compress_ratio The miniimal acceptable compression, must greater than or equal to 1.0. +# max_compressed_length The maximum size for a compressed block. Must be less than +# chunk_length. Defaults to Integer.MAX_VALUE +# chunk_length_in_kb The CQL compression parameter. +# +# Only one of the min_compress_ratio and max_compressed_length options can be specified. +# They are mathematically related in that +# chunk_length / max_compressed_length = min_compress_ratio +# if neither option is specified a min_compress_ratio of 0.0 is the default. +# +# Only one of chunk_length or chunk_length_in_kb may be specified. Review Comment: nit: my bad, please put the comment section before the commented out config. this is the norm in this file. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
