17.10 - SLG Throughput - Advanced SQL Engine - Teradata Workload Management

Teradata Vantageā„¢ - Workload Management User Guide

Product
Advanced SQL Engine
Teradata Workload Management
Release Number
17.10
Release Date
July 2021
Content Type
Administration
User Guide
Publication ID
B035-1197-171K
Language
English (United States)
The workload event type SLG Throughput detects when a workload misses SLG throughput goals. There are typically two causes of missed throughput goals:
  • System overload: If Arrivals> SLG Throughput, the cause is system overload. The system cannot keep up with requests arriving in the workload, and competing workloads may slow down throughput even more. Only system overload triggers the SLG Throughput event in TASM.
  • Under-demand: If Arrivals< = SLG Throughput, the workload missed the SLG because it is not busy enough. An almost idle system can still miss SLG Throughput, so qualify the SLG Throughput event with Arrivals > SLG Throughput.