Table of Contents

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  1. About the Data Vault Administrator Guide
  2. Introduction to the Data Vault
  3. Data Vault Service Startup and Shutdown
  4. Data Vault Configuration
  5. Data Vault ODBC Setup
  6. Data Vault Administration
  7. Data Repartitioning
  8. Partial Data Vault Copy
  9. Archived Data Migration
  10. Data Vault Administration Tool
  11. Data Vault Logs
  12. User Account Privileges
  13. ssasql Command Line Program
  14. Data Vault Audit Log
  15. Sample Configuration Files

Data Vault Administrator Guide

Data Vault Administrator Guide

Standard Log

Standard Log

The standard log is a text file where diagnostic messages from the Data Vault system are written.
The type of information written to the standard log file depends on the specified level of detail. At the most basic level, the log file contains all error messages and some other important information, such as the current configuration parameters. At the next highest level, in addition to the basic details, the log file contains some extra information returned from the server.
Finally, at the highest level of detail, system trace information is written to the log file, in addition to the previously mentioned information. This trace information includes the current section of code being executed, the current system layer, parameter values passed to functions, and other similar information.
Because the log file can grow quite large, especially at higher levels of logging detail, there are configurable options for limiting the growth of the log file, on the basis of either file size (the default) or time period. If both options are set, the file size takes precedence. Once the set limit is reached, a new log file is created to store the latest messages. The old log file is not removed, at least not right away. Since there can be one or more older log files left over, there is an option for specifying the total number of log files to retain, which automates the cleanup of old log files.
The following table describes the parameters related to the standard log file. They are all set in the [SERVER] section of the ssa.ini file:
Parameter
Description
LOG
Enables or disables standard logging.
LOGVERBOSE
The level of detail for log messages.
LOGLIMIT_FILESIZE
The maximum file size for the log file in bytes.
LOGLIMIT_TIME
The time limit for the log file, in number of minutes, hours, days, or months.
LOGLIMIT_MAXFILES
The total number of log files to retain.
A standard log file, located in the path specified by the LOGDIR parameter, has the following naming scheme:
ssa-
yyyy
-
mm
-
dd
-
HH
-
MM
-
SS
.log
where:
  • yyyy
    is the year
  • mm
    is the month
  • dd
    is the day
  • HH
    is the hour
  • MM
    is the minutes
  • SS
    is the seconds

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