17.05 - TASM: AMP Worker Task Columns - Teradata Database

Teradata Vantageā„¢ - Resource Usage Macros and Tables

prodname
Advanced SQL Engine
Teradata Database
vrm_release
17.00
17.05
created_date
June 2020
category
Administration
User Guide
featnum
B035-1099-170K

These columns report statistics about the AMP Worker Tasks.

For more information about the ResUsageSawt table and columns, see ResUsageSawt Table Overview.

Column Name Mode Description Data Type
AmpsFlowControlled track Number of AMPs currently in flow control on the work input mailbox. FLOAT
FlowCtlCnt count Number of times this log period that the node entered the flow control state from a non-flow controlled state. FLOAT
AwtInuse track Number of AMP Worker Tasks currently in use for this node. FLOAT
AwtInuseMax max Peak number of AWTs for any one of the AMPs on the node.
AwtInuseMax is not the peak number in use on the node for all AMPs at any one point in time.

AwtInuseMax represents the largest number of AWTs in use on any single AMP.

FLOAT