A code example may be too much to ask for, but would be very helpful. First, the simplest possible Cassandra client. No eventlet, no ssl. It works: Next, eventlet. No threads, so eventlet is pointless here. But it works: Next, ssl, no eventlet. This... Read More | Share it now!
Category Archives: cassandra
Latest version Download the latest Apache Cassandra 3.11 release: 3.11.4 (pgp, sha256 and sha512), released on 2019-02-11. Older supported releases The following older Cassandra releases are still supported: Apache Cassandra... Read More | Share it now!
Using cqlsh with SSL
Using a cqlshrc file is the easiest method of getting cqlshrc settings. The cqlshrc.sample provides an example that can be copied as a starting point. Prerequisites Prepare SSL certificates with a self-signed CA for... Read More | Share it now!
Cassandra Client-to-node encryption
Client-to-node encryption https://docs.datastax.com/en/archived/cassandra/3.0/cassandra/configuration/secureCqlshSSL.html Client-to-node encryption protects data in flight from client machines to a database cluster using SSL (Secure Sockets Layer). It... Read More | Share it now!
Cassandra Setting a Consistency Level
The consistency level used for a query determines how many of the replicas of the data you are interacting with need to respond for the query to be considered a success. By default, ConsistencyLevel.LOCAL_ONE will be used for all queries. You... Read More | Share it now!
Connect to cassandra from remote
Alternate solution to Kat. Worked with Ubuntu 16.04 ssh into server server_user@**.**.**.** Stop cassandra if running: Check if running with ps aux | grep cassandra If running, will output a large block of commands / flags, e.g.ubuntu 14018... Read More | Share it now!
The cassandra-stress tool
https://docs.datastax.com/en/cassandra/3.0/cassandra/tools/toolsCStress.html The cassandra-stress tool is a Java-based stress testing utility for basic benchmarking and load testing a Cassandra cluster.Data modeling choices can greatly affect... Read More | Share it now!
Add Nodes To The Google cloud Cassandra Cluster
https://docs.bitnami.com/google-templates/infrastructure/cassandra/configuration/enable-additional-nodes/ IMPORTANT: These steps assume that you have already installed the Google Cloud SDK and you are signed in to the Google Cloud Platform... Read More | Share it now!
Adding nodes to an existing Cassandra cluster
https://docs.datastax.com/en/cassandra/3.0/cassandra/operations/opsAddNodeToCluster.html Virtual nodes (vnodes) greatly simplify adding nodes to an existing cluster: Calculating tokens and assigning them to each node is no longer required. Rebalancing... Read More | Share it now!
Load-testing Apache Cassandra
Load-testing Apache Cassandra; Parsing Latency & Throughput Results (Part 1 of 3) https://medium.com/linode-cube/load-testing-apache-cassandra-parsing-latency-throughput-results-part-1-of-3-1c0712166e40 Setting up the client and server As... Read More | Share it now!