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High-Performance Loader Overview

In This Chapter
Overview of Features
Data Load
Data Unload
Loading Modes
Express Mode
Deluxe Mode
HPL Components
onpload Utility
ipload Utility
onpladm Utility
onpload Database
Starting onpload
Relationships Among the Parts of the HPL
Environment Variables
DBONPLOAD Environment Variable
PLCONFIG Environment Variable
PLOAD_SHMBASE Environment Variable
Avoiding Shared-Memory Collision
Setting the PLOAD_SHMBASE Environment Variable
PLOAD_LO_PATH Environment Variable
PLOAD_SHMAT Environment Variable
Architecture of the onpload Utility
Deluxe-Mode Loads
Threads That the onpload Utility Uses
Threads That the Database Server Uses
Express-Mode Loads
Unloads
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