Author: xedin Date: Wed Aug 31 21:12:31 2011 New Revision: 1163817 URL: http://svn.apache.org/viewvc?rev=1163817&view=rev Log: NEWS.txt updated to reflect latest compression developments
Modified: cassandra/trunk/NEWS.txt Modified: cassandra/trunk/NEWS.txt URL: http://svn.apache.org/viewvc/cassandra/trunk/NEWS.txt?rev=1163817&r1=1163816&r2=1163817&view=diff ============================================================================== --- cassandra/trunk/NEWS.txt (original) +++ cassandra/trunk/NEWS.txt Wed Aug 31 21:12:31 2011 @@ -12,7 +12,13 @@ Upgrading Features -------- - "cassandra.bat install" will install Cassandra as a Windows Service - - SSTable compression can be enabled by setting options ??? + - SSTable compression can be enabled by setting "compressionParameters" + attribute on CFMetaData (set "compressionParameters" to null to disable compression). + SnappyCompressor and DeflateCompressor are currently + available as "compression class" and "chunk_length_kb" as compression + option. Stress tool supports -I option to provide compressor and + CLI `{create/update} column family` commands support "compression" + and "compression_options" parameters. - Compressed SSTable blocks are checksummed to protect against bitrot - New LevelDB-inspired compaction algorithm can be enabled by setting the Columnfamily compaction_strategy=LeveledCompactionStrategy option.