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Sunday, 7 July 2013

Informatica - Session optimizing


By on 11:21:00


Optimizing the Session

Once you optimize your source database, target database, and mapping, you can focus on optimizing the session. You can perform the following tasks to improve overall performance:
  • Run concurrent batches.
  • Partition sessions.
  • Reduce errors tracing.
  • Remove staging areas.
  • Tune session parameters.

 lists the settings and values you can use to improve session performance:

Table 19-1. Session Tuning Parameters
Setting
Default Value
Suggested Minimum Value
Suggested Maximum Value
DTM Buffer Pool Size
12,000,000 bytes [12 MB]
6,000,000 bytes
128,000,000 bytes
Buffer block size
64,000 bytes
[64 KB]
4,000 bytes
128,000 bytes
Index cache size
1,000,000 bytes
1,000,000 bytes
12,000,000 bytes
Data cache size
2,000,000 bytes
2,000,000 bytes
24,000,000 bytes
Commit interval
10,000 rows
N/A
N/A
Decimal arithmetic
Disabled
N/A
N/A
Tracing Level
Normal
Terse
N/A


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