jeremiahjordan

3 ms·

1. 1.▲
   Mysql to cassandra migration story(tildedave.com)

   5 points by jeremiahjordan 13y ago|0 comments
2. 2.▲
   Migrating from MongoDB to Cassandra(fullcontact.com)

   114 points by jeremiahjordan 13y ago|63 comments
3. 3.▲
   by jeremiahjordan 13y ago

   This is an interesting use of the HyperLogLog algorithm. And yay for less RAM overhead.
4. 4.▲
   by jeremiahjordan 13y ago

   They are atomic, they are not isolated. Those are two different properties. The "A" vs the "I" in ACID. http://en.wikipedia.org/wiki/ACID Edit: Actually, they are isolated in the sense of ACID, do
5. 5.▲
   by jeremiahjordan 13y ago

   "Minutes" is not "unaffected" if your site is now down.
6. 6.▲
   by jeremiahjordan 13y ago

   This is the reason our company creates their own packages and runs our own repositories.
7. 7.▲
   by jeremiahjordan 13y ago

   But that isn't W=1
8. 8.▲
   by jeremiahjordan 13y ago

   even if switch failures are rarer, couch at W=1 will silently drop data for network partition, dynamo at W=2 won't, how is the comparison at the end valid?