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Performance Issue – Maximum buffer size

28 Aug

AX

Issues:

We keep getting performance error when using forms in AX (CustTable, SalesTable, etc).  One common pattern is that tables using in these forms are heavily customized. More fields, joins are added.  Increasing buffer size did not help, clearing cache helped some scenarios but not all.  Some issues appeared and then went away.

Errors can be like the following :

The number of joins in the statement is 32. This exceeds the maximum of 26. Turn on exception for this warning to see the call stack.

The total, internal size of the records in your joined SELECT statement is 61176 bytes, but Microsoft Dynamics is by default performance-tuned not to exceed 49152 bytes.

It is strongly recommended that you split your table(s) into smaller units.
Alternatively, you have to specify a ‘Maximum buffer size’ value of 60 Kbytes or higher on the ‘Database Tuning’ tab page in the Microsoft Dynamics…

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Posted by on August 28, 2015 in Uncategorized

 

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