Performance optimization
Logging module - patch 1
Logging module - patch 2
Logging module - patch 3
Logging module - patch 4
Logging module - patch 5
Logging module - patch 6
Logging module - patch 7
Logging module - patch 8
Logging module - patch 9
Logging module - patch 10
Logging module - patch 11
Logging module - patch 12
Logging module - patch 13
Logging module - patch 14