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How to monitor before-image growth with Virtual System Tables


TitleHow to monitor before-image growth with Virtual System Tables
URL NameP11835
Article Number000128085
Version: 8.x, 9.x
Product: OpenEdge
Version: 10.x, 11.x
OS: All supported platforms
Question/Problem Description
How to monitor before-image growth with Virtual System Tables
Steps to Reproduce
Clarifying Information
Error Message
Defect Number
Enhancement Number
As with all VST monitoring, routines may be customized according to specific  needs.  Below is a sample of how this can be achieved:
/* Before-image Logging Information*/
_Logging-BiClAge COLON 32 LABEL "Before-image cluster age time"
_Logging-LastCkp COLON 32 LABEL "Time of last checkpoint"
FORMAT "X(30)"
_Logging-BiBlkSize COLON 32 LABEL "Before-image block size"
_Logging-BiClSize COLON 32 LABEL "Before-image cluster size"
_Logging-BiExtents COLON 32 LABEL "Number of before-image extents"
_Logging-BiLogSize COLON 32 LABEL "Before-image log size (kb)"
_Logging-BiBytesFree COLON 32 LABEL "Bytes remaining in current cluster"
_Logging-BiBytesFree COLON 32 LABEL "Bytes free in current cluster"
_Logging-LastCkp COLON 32 LABEL "Last checkpoint was at"
_Logging-BiBuffs COLON 32 LABEL "Number of BI buffers"
_Logging-BiFullBuffs COLON 32 LABEL "Number of Full BI buffers"
WITH FRAME biLoggingFrame TITLE "BI logging status"

/* _ActBILog VST Table displays before-image log activity in more detail*/
References to Other Documentation:
Database Administration Guide and Reference - Chapter 20, "Virtual System Tables"

Progress Article(s):

 How to calculate the number of clusters existing in the before-image log based off of the number of clusters shown in VST?
Last Modified Date11/20/2020 7:38 AM
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