02 Feb 12
Surprisingly common scenarios:
- requiring 1G memory to support a few hundred users
- saving 500K session state per user
- requiring 2M for a text index per simple document
- creating 100K temporary objects per user hit
19 Jan 12
This covers the basics of memory allocation and garbage collection in Java, the different garbage collectors available in HotSpot and how they can be tuned, and finally some anecdotes from Attila’s experiences at Twitter.