17.05 - Net: Net Miscellaneous Contention Management 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 identify some additional contention management not addressed in the other contention management areas.

Column Name Mode Description Data Type
NetBrdWindowOverrun count Broadcast window overruns on all Bynets.
This column is net-specific, that is, it relates to each specific Bynet. On a single-node system, net-specific statistics are not meaningful and are always zero
FLOAT
NetMrgBufWaits count Number of times an IOP task encountered an empty row-block buffer on all Bynets. FLOAT
NetMrgHeapFails count Number of times a merge operation heap space request failed. FLOAT
NetMrgHeapRequests count Number of times a merge operation requested heap space. FLOAT
NetMsgFCSleep count Number of times a transmitter process was put to sleep because it was flow controlled. FLOAT