Start of change

Scalability enhancements

Db2 12 provides several improvements that improve large n-way scaling.

The scalability enhancements introduced in Db2 Db2 12 include:
  • Improved efficiency on LPARs with high number of CPs
  • Log latch contention reduction
  • Bufferpool scaling improvements
  • IRLM latch contention reduction
  • Increased number of prefetch engines
  • Support for > 1 TB buffer pools (sum of VPSIZE and SPSIZE can be up to 16TB)
End of change