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Startup Command and Parameter Reference
Startup Parameter Descriptions : Cursor Size (-cs)

Cursor Size (-cs)

Use Cursor Size (-cs) to change the maximum number of index levels. You seldom need to use this parameter.
Operating system and syntax
UNIX / Windows
-cs n
Use with
Maximum value
Minimum value
Single-user default
Multi-user default
Client Connection
The cursor size, which is the number of index levels.
OpenEdge indexes have a tree structure. Even large indexes typically are no deeper than three or four levels. Index cursors, which act as place holders during file access, have size 6 by default; that is, they support up to five levels of indirect access. Therefore, few users ever require the cursor size (-cs) parameter. However, in rare cases involving large index keys, increase -cs in response to the following error message:
Index index-number has at least n levels. Increase -cs parameter.
Increasing -cs by 2 should be sufficient.