Search found 719 matches

by karthi_gana
Wed Mar 28, 2012 5:09 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Number of Nodes used by datastage
Replies: 3
Views: 4380

Number of Nodes used by datastage

All,

Our configuration file has 3 nodes. This file is being used in all our jobs. When I run a job, will it use all three nodes for its processing? or will it use 2 nodes and the remaining one for operating system processes?

Inputs are welcome!
by karthi_gana
Wed Mar 28, 2012 4:50 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Aggregator + Partition
Replies: 12
Views: 11233

if partition insertion is not disabled...
How should i check this?

$APT_NO_PART_INSERTITION = Flase

Do i need to include this in the job to see which partition is used by defauly?
by karthi_gana
Wed Mar 28, 2012 4:40 am
Forum: General
Topic: How to find first occurance of numeric value in a string
Replies: 13
Views: 8430

I have also seen this on

http://www.pickwiki.com/cgi-bin/wiki.pl ... AMVedit_AE

it seems like BASIC SUBROTUINE written in the above link.
by karthi_gana
Wed Mar 28, 2012 4:36 am
Forum: General
Topic: How to find first occurance of numeric value in a string
Replies: 13
Views: 8430

I am really curious to know the meaning of 0X1N0X
by karthi_gana
Wed Mar 28, 2012 4:28 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Transformer Stage and its type
Replies: 3
Views: 939

Transformer Stage and its type

Hi All, I have read and often heard about BASIC Transformer stage in parallel and just transformer stage. On what basis we are saying it as BASIC Transformer stage in parallel ? how should i know whether the transformer used in parallel job is basic or parallel? I have searched here and tired for no...
by karthi_gana
Sun Mar 25, 2012 2:21 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Preserve Partition
Replies: 2
Views: 1218

Preserve Partition

All, I am little bit confused on "Preserve Partition" topic. I can see four types under this, Default(Set) or Default(Propogate) ??? i can see either of them. Clear Set Propogate For some stages, I couldn't see propogate. i usually won't change this property. But..i just wanted to know whe...
by karthi_gana
Sun Mar 25, 2012 2:14 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Sort + Partition
Replies: 1
Views: 1238

Sort + Partition

All, I have read about Sort stage on "Parallel Developers guide". I didn't see which partition will be take by default by the datastage. may be "Hash". (if it is a varchar and more than one column) or may be "Module". (if it is a numeric and only one column) which one i...
by karthi_gana
Sun Mar 25, 2012 1:58 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Aggregator + Partition
Replies: 12
Views: 11233

Ravi.K wrote:If you want to see what partition Datastage selects when you select Partition as Auto then enable Dump score Environment variable to trace the Partition method.
I have included $APT_DUMP_SCORE in my job. But i didn't see the partition used by the datastage by default.
by karthi_gana
Sun Mar 25, 2012 1:47 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Change Capture with sort stage/key partition and sorted
Replies: 1
Views: 1083

Change Capture with sort stage/key partition and sorted

All, I have designed a simple job to capture the changed data. Content of File 1: col1 col2 1,a 2,b 3,c 4,d 5,e 6,f 7,g 8,h 9,i Content of File 2: col1 col2 1,a 3,c 4,d 10,e 6,f 7,g 12,h 9,i 1111,k File1 ---------->Sort -------> Change Capture ---------------> Output File File2 ---------->Sort -----...
by karthi_gana
Sun Mar 25, 2012 1:13 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Aggregator + Partition
Replies: 12
Views: 11233

emp_id will be chosed as the key for hash partition for #2. right ?
by karthi_gana
Fri Mar 23, 2012 3:58 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Node vs Process
Replies: 3
Views: 1669

Node vs Process

All, I have desgined a simple job. SeqFile Stage (only one file) --> Filter Stage --> Dataset Stage I just changed the "Number of Readers Per Node" value to 2,3,4,5 and monitored the job score. main_program: This step has 3 datasets: ds0: {op0[3p] (parallel Sequential_File_0) eAny=>eCollec...
by karthi_gana
Fri Mar 23, 2012 3:41 am
Forum: General
Topic: how to know SMP or MPP or CLUSTER or GRID
Replies: 7
Views: 4175

what kind of actitivities will be stored in resource disk? first of all, what is mean by resource disk? It is is a kind of Hard Disk. Am i corect?


As for as i know, the lookup data will be stored in scratch disk. Right?

It is a kind of RAM? Am i correct?
by karthi_gana
Fri Mar 23, 2012 3:36 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Aggregator + Partition
Replies: 12
Views: 11233

Aggregator + Partition

All, When i use Aggregator stage, i just use "Auto" partition type only. I mean i just leave the option to datastage. One of my collegue asked me the below question yesterday. my task is to get a) select max(salary) from employee by using aggregator stage. which one is best partition metho...