66 Creating a Column Family 66 Inserting and Retrieving Columns 66 Adding Columns with ALTER COLUMNFAMILY 66 Altering Column Metadata 67 Specifying Column Expiration with TTL 67 Dropping Column Metadata JConsole 88 Compaction Metrics 89 Thread Pool Statistics 90 Read/Write Latency Metrics 90 ColumnFamily Statistics 90 Monitoring and Adjusting Cache Performance 91 Tuning Cassandra 91 Tuning the Commands 102 ALTER COLUMNFAMILY 102 Synopsis 103 Description 103 Parameters 103 Examples 103 BATCH 103 Synopsis 103 Description 104 Parameters 104 Example 104 CREATE COLUMNFAMILY 105 Synopsis 105

BEGIN DROP_AGGREGATE KEYWORDS BLOB DROP_COLUMNFAMILY LIST_PERMISSIONS BOOLEAN DROP_FUNCTION LIST_ROLES COUNTER LIST_USERS CREATE_AGGREGATE DROP_KEYSPACE PERMISSIONS CREATE_COLUMNFAMILY DROP_MATERIALIZED_VIEW REVOKE CREATE_FUNCTION DROP_ROLE