Reduce memory usage of HLT2
This issue should list some ideas to reduce the memory usage of HLT2.
- Reduce memory usage in RICH reconstruction: Rec!4473 (merged), LHCb!5186 (merged), LHCb!5189 (merged)
- Reduce memory usage by avoiding loading
RecSummaryincpppy: Rec!4466 (merged)
Edited by Michel De Cian