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Resolved Chasing Random Disconnects in DB Server to Client RDS Envionment
  1. Issue
  2.  ODBC
  3.  PowerBuilder
  4.  SQL Anywhere
0 Votes
  1. Glenn Barber
  2. PowerBuilder
  3. Tuesday, 4 April 2023 04:35 PM UTC

We have a PowerBuilder app PB17 LTR which talks to SAP SQL Anywhere 17.

The app is running on a VM Server running Remote Desktop Services with upwards of 50+ users.

The database is running on a separate VM Server dedicated to the Database

The IT department which manages the operation has reported intermittent cases where users are disconnected mid app with the -308 disconnect error .

With the help of SAP IT they have configured Server and Client Logs.

Searching the logs they found the following

“The number of prefetch rows has been reduced to 5 due to the prefetch buffer limit. Increasing the PrefetchBuffer connection parameter may improve performance.”

Does anyone have experience with dealing with disconnects - and did modifying the prefetch buffer change anything?

Are there any other techniques we can use to eliminate disconnects or trap the disconnect when it occurs?

 

 

 

Microsoft 2010 C++ Redistributables dw.SaveAs PDF composite report with blank pages
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