PGCon2012 - Final Release
        PGCon 2012
        
        The PostgreSQL Conference
      
| Speakers | |
|---|---|
|   | Robert Haas | 
| Schedule | |
|---|---|
| Day | Talks - 2 - Friday - 2012-05-18 | 
| Room | MRT 218 | 
| Start time | 15:00 | 
| Duration | 01:00 | 
| Info | |
| ID | 416 | 
| Event type | Lecture | 
| Track | Hacking | 
| Language used for presentation | English | 
Performance Improvements in PostgreSQL 9.2
Bigger servers, bigger problems
 
  The upcoming PostgreSQL 9.2 release features a large number of performance enhancements by many different authors, including heavyweight lock manager improvements, reduced lock hold times in key hot spots, better group commit, index-only scans, better write-ahead log parallelism, sorting improvements, and a userspace AVC for sepgsql.
In this talk I'll give an overview of what was changed, how it helped, lessons learned, and the challenges that remain.
