http://simonwillison.net/2009-07-07T11:18:17+00:00Simon Willison2009-07-07T11:18:17+00:002009-07-07T11:18:17+00:00https://simonwillison.net/2009/Jul/7/cassandra/#atom-tag

<p><strong><a href="http://blog.evanweaver.com/articles/2009/07/06/up-and-running-with-cassandra/">Up and running with Cassandra</a></strong></p> Twitter are beginning to use Cassandra, the open source branch of Facebook’s BigTable-like non-relational database. Evan Weaver explains how to get started with it, but warns that it’s not yet a good idea to trust data to it without having a full backup in an unrelated storage engine. <p>Tags: <a href="https://simonwillison.net/tags/bigtable">bigtable</a>, <a href="https://simonwillison.net/tags/cassandra">cassandra</a>, <a href="https://simonwillison.net/tags/evanweaver">evanweaver</a>, <a href="https://simonwillison.net/tags/facebook">facebook</a>, <a href="https://simonwillison.net/tags/nonrelationaldatabases">nonrelationaldatabases</a>, <a href="https://simonwillison.net/tags/scaling">scaling</a>, <a href="https://simonwillison.net/tags/twitter">twitter</a></p>

2009-04-20T18:35:00+00:002009-04-20T18:35:00+00:00https://simonwillison.net/2009/Apr/20/peeping/#atom-tag

<p><strong><a href="http://blog.evanweaver.com/articles/2009/04/20/peeping-into-memcached/">peeping into memcached</a></strong></p> “Peep uses ptrace to freeze a running memcached server, dump the internal key metadata, and return the server to a running state”—you can then load the resulting data in to MySQL using LOAD LOCAL INFILE and analyse it using standard SQL queries. <p>Tags: <a href="https://simonwillison.net/tags/evanweaver">evanweaver</a>, <a href="https://simonwillison.net/tags/introspection">introspection</a>, <a href="https://simonwillison.net/tags/memcached">memcached</a>, <a href="https://simonwillison.net/tags/mysql">mysql</a>, <a href="https://simonwillison.net/tags/peep">peep</a>, <a href="https://simonwillison.net/tags/performance">performance</a>, <a href="https://simonwillison.net/tags/scaling">scaling</a>, <a href="https://simonwillison.net/tags/sql">sql</a>, <a href="https://simonwillison.net/tags/twitter">twitter</a></p>