Re: Limit on number of columns

On Wed, Mar 18, 2015 at 12:43 PM, Ruebenacker, Oliver A < oliver.ruebenac...@altisource.com> wrote: >For the limit of number of cells > (columns *rows) > per partition, I wonder what we mean by number of columns, since different > rows ma

Re: Limit on number of columns

Generally a concern for limitations on number of columns is a concern about storage for rows in a partition. Cassandra is a column-oriented database, but this is really referring to its cell-oriented storage structure, with each column name and column value pair being a single cell (except collecti

Limit on number of columns

Hello, For the limit of number of cells (columns *rows) per partition, I wonder what we mean by number of columns, since different rows may have different columns? Is the number of columns the number of columns of the biggest row,

Re: Limit on number of columns

http://wiki.apache.org/cassandra/CassandraLimitations "Cassandra's compaction code currently deserializes an entire row (per columnfamily) at a time. So all the data from a given columnfamily/key pair must fit in memory. Fixing this is relatively easy since columns are stored in-order on disk so t

Limit on number of columns

Hello, Is there a practical limit on the number of columns I put on a key? Obviously if I tried to grab the entire row at once I would have a problem. However, if I had an open ended row, with column names of "1" to "9" etc. And I only accessed ranges, would there be a practical limit I w