I remembered seeing someone answer this question in the Cassandra user mailing list a short while back, but I cannot find the exact message right now. Ironically, Cassandra Evangelist Rebecca Mills just posted an article that addresses this issue (Things you should be doing when using Cassandra drivers…points #13 and #22). But the answer is … Read more
You are running into CASSANDRA-11850, where cqlsh breaks with Python 2.7.11+. This ticket has been marked as “Resolved” and a patch has been applied to Cassandra 3.9 which has not been released yet. I believe I installed all the necessary packages such as java 8 and python 2.7.12. In the interim (until 3.9 is released) … Read more
You could use “child process” module of nodejs to execute any shell commands or scripts with in nodejs. Let me show you with an example, I am running a shell script(hi.sh) with in nodejs. hi.sh echo “Hi There!” node_program.js const { exec } = require(‘child_process’); var yourscript = exec(‘sh hi.sh’, (error, stdout, stderr) => { … Read more
There is a lot of confusion around this, I will try to make it as simple as possible. The primary key is a general concept to indicate one or more columns used to retrieve data from a Table. The primary key may be SIMPLE and even declared inline: create table stackoverflow_simple ( key text PRIMARY … Read more
You should read the following and learn a little bit about the advantages of a well designed innodb table and how best to use clustered indexes – only available with innodb ! http://dev.mysql.com/doc/refman/5.0/en/innodb-index-types.html http://www.xaprb.com/blog/2006/07/04/how-to-exploit-mysql-index-optimizations/ then design your system something along the lines of the following simplified example: Example schema (simplified) The important features are that … Read more
“The goal of this project is to keep the interface in sync with the latest version of Cassandra and make it as easy as possible for .NET developers to start, adopt and program against the Cassandra database.” ^ This was taken from the github readme page. They aim to keep up to date. On May … Read more