Category Archives: nosql

Seeking Sucks: Spoiled by SSDs

Posted on April 4, 2013 by

I’m in the process of rebuilding full-text indexes for a good sized document collection that lives in a sharded MongoDB cluster. And the funny thing about this is that I don’t really use MongoDB that much. I mean we put … Continue reading →

Posted in craigslist, mongodb, nosql, sphinx, tech | 10 Comments

NoSQL is What?

Posted on July 23, 2011 by

I found myself reading NoSQL is a Premature Optimization a few minutes ago and threw up in my mouth a little. That article is so far off base that I’m not even sure where to start, so I guess I’ll … Continue reading →

Posted in mongodb, mysql, nosql, programming, redis | 70 Comments

Video from my MongoSF 2011 Talk

Posted on June 2, 2011 by

To go along with the Slides from my MongoSF 2011 Talk, the video is now on-line thanks to 10gen. I had a great time at MongoSF 2011, learned some important new things about MongoDB and got a sense of just how … Continue reading →

Posted in craigslist, mongodb, nosql | 1 Comment

Speaking at MongoSF on May 24th

Posted on May 23, 2011 by

I’m a little late to be posting this the night before. In any case, tomorrow afternoon I’ll be presenting at MongoSF 2011. My talk title is Lessons Learned from Migrating 2+ Billion Documents at Craigslist and it picks up where my … Continue reading →

Posted in craigslist, mongodb, nosql | 2 Comments

Redis Sharding at Craigslist

Posted on February 26, 2011 by

After reading Salvatore’s Redis Presharding, I thought I’d write up the sharding technique we use at Craigslist to take advantage of multiple cores, multiple hosts, and allow for painless growth (up to a point). Nodes The primary building block of … Continue reading →

Posted in craigslist, nosql, programming, redis | 29 Comments

Redis 2.2 replication consistency with maxmemory and LRU

Posted on January 27, 2011 by

We’ve been running a version of Redis 2.2 RC at Craigslist for a few months now and it has been flawless. It has rapidly become the backbone of one of our internal systems. When I upgraded from the 2.0 series … Continue reading →

Posted in nosql, programming, redis, tech | 4 Comments

Sharding is Hard

Posted on October 8, 2010 by

Reading the Foursqure/MongoDB post-mortem I’m struck by a few things. First, the folks at 10gen are doing a great job of being very open and upfront about what happened and how they hope to solve this problem so that it … Continue reading →

Posted in mongodb, nosql, programming, tech | 2 Comments

1,250,000,000 Key/Value Pairs in Redis 2.0.0-rc3 on a 32GB Machine

Posted on July 25, 2010 by

Following up on yesterday’s 200,000,000 Keys in Redis 2.0.0-rc3 post, which was a worst-case test scenario to see what the overhead for top-level keys in Redis is, I decided to push the boundaries in a different way. I wanted to … Continue reading →

Posted in nosql, programming, tech | 9 Comments

Database Drama

Posted on July 10, 2010 by

There’s been a surprising amount of drama (in some circles, at least) about database technology recently.  I shouldn’t be surprised, given the volume of reactions to the I Want a New Datastore post that I wrote. (Hint: I still hear … Continue reading →

Posted in mysql, nosql, tech | 15 Comments

Testing Redis 2.0.0 Release Canidate with Perl

Posted on July 2, 2010 by

I’m pretty excited about the upcoming 2.0.0 release of Redis. As you can see in the changelog, I made a few minor contributions to this release. I’m most excited about being able to perform unions and intersections with sorted sets … Continue reading →

Posted in craigslist, nosql, programming | 1 Comment