17.05 - File System: Miscellaneous Write Ahead Logging 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 the number of times the File System software performed a cylinder management event associated with the WAL log.

Column Name Mode Description Data Type
FileWALBufBusy count Number of times a WAL append operation resulted in a buffer switch that waited for the next buffer to exit a busy state. FLOAT
FileWALSize track Current size of the WAL log in cylinders. FLOAT
FileWCylAllocs count Number of new WAL cylinders allocated. FLOAT
FileWCylFrees count Number of times the File System logically frees a cylinder. FLOAT