Table of Contents
How many types of session are there in Informatica?
There are two types of sessions in Informatica: Non-reusable Session Task: Session Task that we created in the Workflow Designer is non-reusable. Reusable Session Task: Session Task that we created in Informatica Task Developer is reusable.
What are the session properties in Informatica?
Session property is a set of instructions that instructs Informatica how and when to move the data from source to targets. A session property is a task, just like other tasks that we create in workflow manager. Any session you create must have a mapping associated with it.
What is session log in Informatica?
Informatica. Session Logs Information: Whenever a session runs, the integration service logs the information about the tasks that it performs in a file called session log file. The integration service logs details like load summary, transformation statistics etc.
How does Informatica improve session performance?
Partitioning: The session improves the session performance by creating multiple connections for sources/targets and loads data in parallel pipelines. Incremental Aggregation: If a session contains an aggregator transformation, then we use incremental aggregation to improve session performance.
How do I get to session log?
To get the session log for the workflow, right-click on the session task in the navigator and select Get Session Log.
What is session in ETL?
– Session : A set of instructions which describes the data movement from source to destination. – Worklet : A set of tasks are represented as a worklet.
How do you increase target throughput in Informatica?
Filter Transformation
- Use filter transformation as early as possible inside the mapping. If the unwanted data can be discarded early in the mapping, it would increase the throughput.
- Use source qualifier to filter the data.
What is the difference between mapplet and Worklet in Informatica?
Mapplet is used for creation and configuration of a group of transformation. A worklet is an object by combining the set of tasks to build a workflow logic.It can be reusable in multiple workflows, which can be configured to run concurrently.
How do you improve session performance?
To improve the session performance, drop constraints and indexes before running the session (while loading facts and dimensions) and rebuild them after completion of the session. Parallel sessions: Running parallel sessions by using concurrent batches will also reduce the time of loading the data.
What is sessstarttime In Informatica cloud?
3) For FAQ, keep your answer crisp with examples. 4) For Whitepaper, keep the content conceptual. ‘SESSSTARTTIME’ is a built-in variable that captures the start time of a session in PowerCenter but not in Informatica Cloud and Informatica Cloud support does not recommend to use that variable.
What is session property in Informatica?
Session property is a set of instructions that instructs Informatica how and when to move the data from source to targets. A session property is a task, just like other tasks that we create in workflow manager.
How to extract session start time from session log?
However, the workaround is to extract the session start time from session log by doing a substring search and then using that in batch script. Here is a sample script to do the same.
What is $pmsessionlogdir In Informatica?
The $PMSessionLogDir\\ is an Informatica variable and in windows it points to the following default location “C:\\Informatica\\9.6.1\\server\\infa_shared\\SessLogs”. Using this property, you can test your session and mappings.