Top "Cassandra" questions

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

how to configure the DBeaver and Cassandra

I am very new to DBeaver. From forum i got to know that driver need to update for cassandra 3+ to …

cassandra dbeaver
Advantages of databases like Greenplum or Vertica compared to MongoDB or Cassandra

I am currently working in a few projects with MongoDB and Apache Cassandra respectively. I am also using Solr a …

mongodb cassandra data-warehouse vertica greenplum
How do I set the consistency level of an individual CQL query in CQL3?

In the earlier beta releases of CQL, there was a command I could use to set the read / write consistency …

cassandra cql3 datastax-enterprise consistency
Can't connect to cassandra - NoHostAvailableException

I know there are several threads about the NoHostAvailableException but they simply don't provide a solution to my problem. I …

cassandra datastax-java-driver
Cassandra NoHostAvailableException: All host(s) tried for query failed in Production

We have 10 Cassandra nodes in production running Cassandra-2.1.8. We recently upgraded to 2.1.8 version. Previously we were using only 3 nodes running …

java cassandra datastax-java-driver
What is the batch limit in Cassandra?

I have a Java client that pushes (INSERT) records in batch to Cassandra cluster. The elements in the batch all …

cassandra cassandra-3.0 cassandra-2.2
how do i know if nodetool repair is finished

I have a 2 node apache cassandra (2.0.3) cluster with rep factor of 1. I change rep factor to 2 using the following command …

cassandra cassandra-2.0 nodetool
alter composite primary key in cassandra CQL 3.0

I'm in a situation where I need to change the the composite primary key as follows: Old Primary Key: (id, …

cassandra composite-primary-key alter cql3 cqlsh
How to know the size of a keyspace and column family in Cassandra?

Recently I've started working on Grails integration with Cassandra using the Java driver for cassandra(cassandra-driver-core-2.0.2). So I was curious …

cassandra nodetool
com.datastax.driver.core.exceptions.InvalidQueryException: unconfigured table schema_keyspaces

I am trying to configure spring data with cassandra. But I am getting bellow error , when my app is deploying …

java spring cassandra spring-data datastax