- scalability vs efficiency vs. performance
- OLAP vs. OLTP vs. HTAP
  - postgres v/ good at OLTP
  - middling for OLAP
- OLAP issues
  - parallelism
  - efficiency
- Issues with improving efficiency
  - very lowhanging fruits gone
  - Amdahls Law
- Bad news:
  - batch tuple processing
- Good news:
  - bitmapscan improvements
  - hash-agg improvements
  - transition value computation improvements
  - expression evaluation
    - faster interpretation
  - tuple deforming
    - oops 1-3%
- So, how to improve further
  - JIT compilation
    - what does JIT compliation mean
Future News:
  - smarter JIT evaluation:
    - inline functions
  - batch tuple processing #2
  - buffer management