IBM Books

Open Local Cursors with Blocking


Snapshot Information Level
Application

API Structure(s)
sqlm_appl

Monitor Group
Basic

Resettable

No

 

API Element Name
Element Type

open_loc_curs_blk
gauge

 

Description:  The number of local blocking cursors currently open for this application.

Usage:  You may use this element in conjunction with "Open Local Cursors" to calculate the percentage of local cursors that are blocking cursors. If the percentage is low, you may be able to improve performance by improving the row blocking in the application:

"Rejected Block Cursor Requests" and "Accepted Block Cursor Requests" provide additional information that may help you tune your configuration parameters to improve row blocking in your application.

For blocking cursors used by remote applications, see "Open Remote Cursors with Blocking".

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