Posts tagged mongodb
MongoDB is web-scale
MongoDB is Web Scale. Lulz, right? Turns out, Mongo is the first NoSQL to nail painless Hadoop and Pig integration…thus becoming the first ‘web scale’ database.
Cache Reheating & MongoDB
Some tips & hints about Cache reheating
We’ve been doing some updates on Find Lunch In - some nice performance improvements and some better Analytics integration. Check it out over at www.findlunchin.co.uk.
Generate a simple report of attacks on your servers from Graylog2 data using MapReduce
Whilst setting up centralised logging for one of our clients clusters, it was noticed that there are sometimes a large number of failed login attempts. Rather than manually checking each one, I’ve written a script using PHP and MongoDB JS MapReduce to aggregate the data and provide a useful report.
The following code will output a CSV report with the columns;
- Offending IP address
- Your servers hostname
- The number of entries which matched
It’s not 100% fool proof, but provides us with a good guide with where to look / block first.
p.s. We also have a slightly modified version which allows checking of a list of IP addresses against successful logins…
