Service manual

5
DiskSubsystemAlternatives.......................................................... 90
MonitoringI/OandDiskUse......................................................... 94
SizingforMultiprocessorSystems........................................................ 94
SizingNetworkCapacity................................................................ 94
SizingforSSL.......................................................................... 94
Chapter 5 Tuning the Operating System ..........................................97
CheckingPlatformSupport.............................................................. 97
PatchingtheSystem .................................................................... 98
EnforcingBasicSecurity.................................................................98
IsolatetheSystem ................................................................... 98
NoDualBoot ....................................................................... 98
StrongPasswords ................................................................... 99
(Windows)LocalSecurityPolicy ...................................................... 99
(UNIXPlatforms)UsersandGroups ................................................... 99
DisablingUnnecessaryServices ......................................................100
KeepingAccurateTime ................................................................100
RestartingAfterSystemFailure .........................................................100
GeneratingBasicTuningRecommendations .............................................. 101
TuningSystemSettings ................................................................ 102
(Windows)DeferredProcedureCalls ................................................. 102
FileDescriptors ....................................................................103
(HP-UX)LargeFileSupport..........................................................103
(HP-UX)ThreadsPendingTimeout ...................................................103
(HP-UX)ThreadsPerProcess ........................................................103
TransmissionControlProtocol(TCP)Settings ..........................................104
Chapter 6 Tuning Cache Sizes . . ...............................................107
TypesofCache ....................................................................... 107
DatabaseCache ....................................................................108
EntryCache ....................................................................... 109
ImportCache ......................................................................110
FileSystemCache ..................................................................111
TotalAggregateCacheSize ..........................................................111
HowSearchesUseCache...............................................................112
HowUpdatesUseCache...............................................................115
HowSuffixInitializationUsesCache ....................................................116
OptimizingForSearches ...............................................................118
AllEntriesandIndexesinMemory ...................................................118
PlentyofMemory,32-BitDirectoryServer .............................................120
LessMemory,SomeFileSystemCache ................................................120
LowMemory,LowFileSystemCache.................................................121