Basic HTML version of Foils prepared 7 October 97

Foil 31 Performance barriers

From untitled presentation ARL Database Tutorial -- February 98. by Gang Cheng Marek Podgorny Chao-Wei Ou


startup (latency)
interference (communication, locking)
load balance (execution skew - all the execution occurs in one partition)
data-partition (data skew - all the data is placed in one partition)
imbalance of system resources (CPUs and I/O channels)
CPU-intensive or I/O intensive queries



© on Mon Oct 13 1997