Re: Cassandra adding 500K + Super Column Family

2011-08-16 Thread Yi Yang
Sounds like it's a similar case as mine. The files are definitely, extremely big, 10x space overhead should be a good case if you are just putting values into it. I'm currently testing CASSANDRA-674 and hopes the better SSTable can solve the space overhead problem. Please follow my e-mail t

Re: Cassandra adding 500K + Super Column Family

2011-08-16 Thread aaron morton
Are you planning to create 500,000 Super Column Families or 500,000 rows in a single Super Column Family ? The former is a somewhat crazy. Cassandra schemas typically have up to a few tens of Column Families. Each column family involves a certain amount of memory overhead, this is now automati

Cassandra adding 500K + Super Column Family

2011-08-16 Thread Renato Bacelar da Silveira
I am wondering about a certain volume situation. I currently load a Keyspace with a certain amount of SCFs. Each SCF (Super Column Family) represents an entity. Each Entity may have up to 6000 values. I am planning to have 500,000 Entities (SCF) with 6000 Columns (within Super Columns - numbe