Top "Cassandra" questions

Apache Cassandra is a highly scalable, eventually consistent, distributed, structured row/column store.

Results pagination in Cassandra (CQL)

I am wondering how can I achieve pagination using Cassandra. Let us say that I have a blog. The blog …

cassandra cql cql3 datastax-enterprise
Difference between Document-based and Key/Value-based databases?

I know there are three different, popular types of non-sql databases. Key/Value: Redis, Tokyo Cabinet, Memcached ColumnFamily: Cassandra, HBase …

mongodb couchdb cassandra redis non-relational-database
Error while connecting to Cassandra using Java Driver for Apache Cassandra 1.0 from com.example.cassandra

While connecting to Cassandra client using java driver for Cannsandra by DataStax, it is throwing following error.. Exception in thread "…

cassandra datastax-java-driver
Understand cassandra replication factor versus consistency level

I want to clarify very basic concept of replication factor and consistency level in Cassandra. Highly appreciate if someone can …

cassandra
What causes "no viable alternative at input 'None'" error with Cassandra CQL

I'm attempting to insert a modified document back to Cassandra DB with a new key. I'm having hard time figuring …

python cassandra cql
Cassandra timeout cqlsh query large(ish) amount of data

I'm doing a student project involving building and querying a Cassandra data cluster. When my cluster load was light ( around 30…

cassandra timeout cqlsh
Import and export schema in cassandra

How to import and export schema from Cassandra or Cassandra cqlsh prompt?

database cassandra schema database-schema cqlsh
How to connect to Cassandra(remotehost) using cqlsh

I cannot cqlsh to remote host ./cqlsh xx.xx.x.xxx 9042 Connection error: ('Unable to connect to any servers', {'10.101.33.163…

cassandra cqlsh
SELECT DISTINCT cql ignores WHERE clause

Executing two identical requests but the DISTINCT keyword gives unexpected results. Without the keyword, the result is ok but with …

cassandra distinct cql
Not enough replica available for query at consistency ONE (1 required but only 0 alive)

I have a Cassandra cluster with three nodes, two of which are up. They are all in the same DC. …

cassandra