Author Archives: Jeremy Zawodny
Sharding is Hard
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
Always Test with Real Data
As I previously noted, I’m in the midst of converting some data (roughly 2 billion records) into documents that will live in a MongoDB cluster. And any time you move data into a new data store, you have to be … Continue reading
Posted in craigslist, mongodb, mysql, programming, tech
7 Comments
Tools and Technology I’d Like To Use
This is a short list of technology and tools that I’ve been looking at off and on over the last few months and would like to try out to solve real problems (not just toy projects). RabbitMQ, because queuing make … Continue reading
Posted in Uncategorized
5 Comments
My Motorola Droid Keyboard is Unnecessary
I’ve had a Motorola Droid for over six months now and have decided that the slide-out keyboard is totally unnecessary for my use. That’s a little surprising to me in retrospect, since I originally got the Droid for three reasons: … Continue reading
Posted in tech
10 Comments
How I Comment Perl Code
I realized a few days ago that I have a particular way of commenting my Perl code. I wonder if I’m unique in this way, or if these are habits I’ve picked up reading others’ code over the years. A … Continue reading
Posted in programming, tech
20 Comments
1,250,000,000 Key/Value Pairs in Redis 2.0.0-rc3 on a 32GB Machine
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
200,000,000 Keys in Redis 2.0.0-rc3
I’ve been testing Redis 2.0.0-rc3 in the hopes of upgrading our clusters very soon. I really want to take advantage of hashes and various tweaks and enhancements that are in the 2.0 tree. I was also curious about the per-key … Continue reading
Posted in programming, tech
11 Comments
Coding Outside My Comfort Zone: Front-End Hacking with jQuery and flot
To folks who’ve read my tech ramblings over the years, it’s probably no surprise that I generally avoid doing front-end development (HTML, CSS, JavaScript) like the plague. In fact, that’s probably one of the reasons I finally migrated my blog … Continue reading
Posted in craigslist, programming, tech
5 Comments
MySQL 5.5.4-m3 in Production
Back in April I wrote that MySQL 5.5.4 is Very Exciting and couldn’t wait to start running it in production. Now here we are several months later and are using 5.5.4-m3 on all the slaves in what is arguably our … Continue reading
Posted in craigslist, mysql, tech
40 Comments
Database Drama
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
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