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.