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Production support for Ab Initio Graph
How do you do production support for Graph? How do you check whether graph is completed successfully or not (is it $? of unix?)What are different return values?
sham2sushil
- Apr 27th, 2010
If you running the Abinitio ksh file then you have to check the status using $? .$mpjret is using in the end script of the abinitio to check the abintio mp runs sucessfully or not.--Shambhu
sitharaju
- Mar 11th, 2009
How do you do production support for Graph? If the graph failed in the production, usually we get emergency access to see the failure, then analyse the failure, if it is a code bug, then we go back to...
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Convert 4 way mfs to 8 way mfs
How to convert 4 way to 8 way mfs files without throw down of data in the file?
sham2sushil
- Apr 27th, 2010
1. To convert 4 way to 8 way partition we need to change the layout in the partioning component.2. Departition the data then repartition.--Shambhu
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How does component folding works in Ab Initio?
sham2sushil
- Apr 27th, 2010
It reduces the number of processes created by the graph and can enhance performance of the graphs. It is combined saveral graph componants at a time in a group during run. groups runs as a single process and use the less memory during runtime.--Shambhu
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Range Lookup
What is Range Lookup?
sham2sushil
- May 2nd, 2010
Its returns the first data record When you defined the range indicated by the lower and upper bound arguments. --Shambhu
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Explain what is lookup?
sham2sushil
- May 2nd, 2010
Lookup File consists of data records which can be held in main memory. Lookup is basically a specific dataset which is keyed. This makes the transform function to retrieve the records much faster th...
Ashim Dutta
- Oct 20th, 2005
Lookup is basically a specific dataset which is keyed. This can be used to mapping values as per the data present in a particular file (serial/multi file). The dataset can be static as well dynamic ( ...
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Compilation Errors
What are the compilation errors you came across while executing your graphs?
hsevna
- May 18th, 2010
If fan-in is used to the input flow of a Roll-up component, you will get a complilation error, though sort rquired is set false to the Roll-up.Correct me if i'm wrong.--Anvesh V.
sham2sushil
- May 7th, 2010
Scenario 1: When you built any graphs with Abinitio component, but the output DML is not same with the next component input port DML, then you will get the compilation errors. Scenario 2: Suppose...
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SCD Types
How do we use SCD Types in the Abinitio graphs?
sudheer_abinitio
- Jun 8th, 2010
We phase 3 types of SCD.1. SLOWLY CHANGES DIMENSION TYPE 1 Having the current data. Latest data. Ex: 1 Record only 2. SLOWLY CHANGES DIMENSION TYPE 2 ...
abmaahi
- Apr 6th, 2010
Sorry the before answer is wrong.we can work out the scds with redefining the formats
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Explain the differences between api and utility mode?
abmaahi
- Jun 12th, 2010
API mode is for more diagnostic purpose for retriving the data from db means like selecting perticular fields, like retriving the data relatively according to the constraints. Whenever we select...
subhajitpalit
- Dec 11th, 2009
In API mode the data processing(load/update/insert/delete) is slow, however other process can access the database tables during the update.Compared to above, Utility mode processing(load/update/insert...
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What is the difference between a DB config and a CFG file?
venkat_jaksani
- Jun 18th, 2010
.dbc file contains all the connectivity info which the user needs to connect to the database. dbc means database configuration file. It will contain the server name userid password type of db stuffs l...
dash_c00l
- Oct 31st, 2007
.dbc file basically helps abinitio coops to connect to database. It includes all the required database parameter and other default value respective to it. you can modify them.However .cfg is file is u...
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What is the function you would use to transfer a string into a decimal?
venkat_jaksani
- Jun 17th, 2010
If string conains the alphanuemica data the decimal-strip will remove the alpanumeric data but the decimal(length) will not remove alphanumeric data.Please let me know If I am wrong.
abmaahi
- Mar 29th, 2010
Decimal_lrepad(string name, decimaldata type length) decimal_lpad(string name, decimaldata type length)
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Wrapper Scripts
What are Wrapper scripts? What does it contain?
abmaahi
- Jul 19th, 2010
Wrapper scripts are unix scripts,they also known as calling scripts.they used to run the deployed scripts.in the order what se can specify in the unix script
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Graph Deployment
Explain the deployment of graph, with start and end script?
kalrac
- Jul 19th, 2010
Thanks for the response,My actual question is when there is a start script and end script. When the execution starts from start script > graph>end script. But the deployed ksh in unix is not of ...
abmaahi
- Jul 19th, 2010
Basically when we execute the graph first start script are executed before graph and later end scritpt is executed in the GDE.
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What is Pset file in Abinitio?
sham2sushil
- Oct 23rd, 2010
.pset file is an input values or input parameters set file. By using the air sandbox run command we can run the .pset file. Internally calling the .mp file and passing all the inputs parameter during run time.--Shambhu
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Size of the file
Which component will be used to reduce the size of the file?
sweetramy
- Oct 7th, 2010
You can use the Compress or Deflate component to reduce the size of the file.
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Broadcast Vs Replicate
What is the functional difference between Replicate and Broadcast component?
sham2sushil
- Oct 26th, 2010
In General:Broadcast : Data parallelism.Replicate : Component parallelism.--Shambhu
abmaahi
- Jul 19th, 2010
1) Basic difference is broad caste is partition component and replicate is miscelleanous component.2) As broad cast is partition component it always defaultly throw in a fan out mode only where ...
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DB Lookup
How do you use DB Lookup?
sham2sushil
- Oct 26th, 2010
For DB Lookup you can use the componant Join with DB. This is very expensive operation in the Abinitio. If Join table caontain less data then first create a serial file and use as a lookup. OR go for abinitio Join.--Shambhu
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Replicate and Broadcast Components
When can we go replicate and when we cannot go broadcast components?What is the advantage & disadvantage of replicate?What is the advantage & disadvantage of broadcast?
sham2sushil
- Nov 15th, 2010
Broadcast - Takes data from multiple inputs, combines it and sends it to all the output ports. For example, You have 2 incoming flows (This can be data parallelism or component parallelism) on Bro...
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Abinitio Partition Component
What is the optimistic partitioning component in abinitio? How can we say that it is an optimistic partition component?
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Most Common Runtime Errors
Give some runtime errors which are commonly comming in your graph execution?
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Reformat Component
What is use of index in Reformat Component?
Abinitio Interview Questions
Ans