May be https://issues.apache.org/jira/browse/CASSANDRA-4561
Can you upgrade to 1.1.6 ? Cheers ----------------- Aaron Morton Freelance Cassandra Developer New Zealand @aaronmorton http://www.thelastpickle.com On 14/11/2012, at 11:39 PM, Alain RODRIGUEZ <arodr...@gmail.com> wrote: > Hi, I am running C* 1.1.2 and there is no way to turn the compression on for > a CF. > > Here is the command I ran in the CLI: > > UPDATE COLUMN FAMILY data_action WITH > compression_options={sstable_compression:SnappyCompressor, chunk_length_kb : > 64}; > > Show schema : > > create column family data_action > with column_type = 'Standard' > and comparator = 'UTF8Type' > and default_validation_class = 'UTF8Type' > and key_validation_class = 'UTF8Type' > and read_repair_chance = 1.0 > and dclocal_read_repair_chance = 0.0 > and gc_grace = 864000 > and min_compaction_threshold = 4 > and max_compaction_threshold = 32 > and replicate_on_write = true > and compaction_strategy = > 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy' > and caching = 'KEYS_ONLY'; > > I tried also through cqlsh without success ("ALTER TABLE data_action WITH > compression_parameters:sstable_compression = 'SnappyCompressor' AND > compression_parameters:chunk_length_kb = 64;") > > I have no error message just these few lines on system.log: > > INFO 10:17:12,051 Completed flushing > /raid0/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hd-20-Data.db > (1367 bytes) for commitlog position > ReplayPosition(segmentId=721932060965088, position=116556860) > INFO 10:17:12,052 Compacting > [SSTableReader(path='/raid0/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hd-20-Data.db'), > > SSTableReader(path='/raid0/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hd-19-Data.db'), > > SSTableReader(path='/raid0/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hd-17-Data.db'), > > SSTableReader(path='/raid0/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hd-18-Data.db')] > INFO 10:17:12,134 Compacted to > [/raid0/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hd-21-Data.db,]. > 50,928 to 46,827 (~91% of original) bytes for 3 keys at 0.544606MB/s. > Time: 82ms. > > I also tried upgrading sstables but compression is definitely not enabled > (same size of data + JMX show a CompressionRatio of 0.0). > > Does anyone already saw something similar ? > > Alain
