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How to understand the Create limit and Toss Limit of a Storage Area

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TitleHow to understand the Create limit and Toss Limit of a Storage Area
URL NameP110710
Article Number000142264
EnvironmentProduct: OpenEdge
Version: 10.0B, 10.1x, 10.2x, 11.x, 12.x
OS: All supported platforms
Question/Problem Description
How to find the Create limit and Toss Limit of a Storage Area
How to interpret the output of: proutil -C dispTossCreateLimits
Steps to Reproduce
Clarifying Information
Error Message
Defect Number
Enhancement Number
Cause
Resolution
To find the Create limit and Toss Limit of a Storage Area, the PROUTIL dispTossCreateLimits feature can be used:
 
$   proutil dbname -C dispTossCreateLimits <area_number>

Example output from dispTossCreateLimits:
Object number: 2, type: 1, Toss Limit: 300, Create limit: 150.
Object number: 3, type: 1, Toss Limit: 300, Create limit: 150.
Object number: 4, type: 1, Toss Limit: 300, Create limit: 150.
 

Where:
  • "Object number" is the _File._File-Num in the database meta schema, ie the database object (table/index/lob) number
  • "type" refers to the Object Type:
Type 1: table
Type 2: index
Type 3: blob or clob
Type 8: master control object (or area object)
  • "Toss Limit"  is the minimum amount of free space needed in a block for it to remain on the RM Chain
  • "Create Limit" is the minimum amount of free space that must be available in the block after a record is created to allow creation of a new record starting in that block
For further discussion on Toss and Create Limits, refer to Article:
Workaround
Notes
Last Modified Date11/20/2020 7:38 AM
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