Dout in MBRC
Today I have read db_multiblock_read_count paramater
while reading there is formula for setting the vlaue for this parameter.
max os io chunk size/db_block_size
How to find the i/o chunk size in Linux 4.0 ?
dont tell me from 10.2 release this parameter is automatic.
Thanks
Sanat
And here it is sql writen by Sir Steve Adams :
http://www.ixora.com.au/scripts/sql/multiblock_read_test.sql
This will tell you the maximum effective setting for db_file_multiblock_read_count is OS and disk. This script conducts a test and sample actual I/O chunk sizes on your server to aid you in setting db_file_multiblock_read_count.
Now, if you wish to get the "io chunk size in Linux" then :
So, I guess it depends on OS block size, filesystem type i.e. ext2,ext3 etc., storage devices, OS type i.e. 32 bit or 64 bit, RAID levels, LVM etc. i.e. stuff for network / OS admin.
So, I think above .sql will do all for you in a one go.
Regards
Girish Sharma
Similar Messages
-
MBRC and SYSTEM STATISTICS in Oracle 10g database.
Hi All,
I am performing database upgrade from Oracle 8i Solaris to Oracle 10g HP-UX using exp/imp method.
But i do have some doubts regarding MBRC and System statistics.
MBRC in Oracle 10g is automatically adjusted if MBRC parameter is not set, but i found value 128 as shown below.
SQL> select * from v$version;
BANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Release 10.2.0.4.0 - Production
CORE 10.2.0.4.0 Production
TNS for HPUX: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production
SQL> sho parameter multi
NAME TYPE VALUE
db_file_multiblock_read_count integer 128Also i performed one simple full table scan to test it...but db file scattered read is performing on 128 blocks. So i dont think 128 is suitable and is automatic, i mean MBRC is not set accrodingly it always uses 128.
Does this MBRC value affects whole database performance?
Regarding SYSTEM STATISTICS i found below result:
SQL> select * from AUX_STATS$
SNAME PNAME PVAL1 PVAL2
SYSSTATS_INFO STATUS COMPLETED
SYSSTATS_INFO DSTART 11-09-2009 04:59
SYSSTATS_INFO DSTOP 11-09-2009 04:59
SYSSTATS_INFO FLAGS 1
SYSSTATS_MAIN CPUSPEEDNW 128.239557
SYSSTATS_MAIN IOSEEKTIM 10
SYSSTATS_MAIN IOTFRSPEED 4096
SYSSTATS_MAIN SREADTIM
SYSSTATS_MAIN MREADTIM
SYSSTATS_MAIN CPUSPEED
SYSSTATS_MAIN MBRC
SYSSTATS_MAIN MAXTHR
SYSSTATS_MAIN SLAVETHRNow whether NOWORKLOAD or WORKLOAD is better, and this server is still under building process....so how can i collect WORKLOAD stats as high load on this server can't be performed?? Is it really require to gather system statistics, what will happen with NOWORLOAD stats?
I have not seen single database where system stats are gathered in our organisation having more than 2000 databases.
-YasserMaybe this article written by Tom Kite helps:
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:499197100346264909 -
Oracle 10.2.0.4: Incredible value of MBRC
I'm running Oracle on HP-UX with 32k db_block. Gathered system stats many times (monthly), but when I relaxed, it gather MBRC=200 as seen in log below:
25.12.09 14:16:08 -- CPUSPEED 1053
25.12.09 14:16:08 -- CPUSPEEDNW 898.2221077042
25.12.09 14:16:08 -- IOSEEKTIM 10
25.12.09 14:16:08 -- IOTFRSPEED 4096
25.12.09 14:16:08 -- MAXTHR 414009344
25.12.09 14:16:08 -- MBRC 25
25.12.09 14:16:08 -- MREADTIM 15.178
25.12.09 14:16:08 -- SLAVETHR 504832
25.12.09 14:16:08 -- SREADTIM .891
13.01.10 09:16:43 -- CPUSPEEDNW 898.2221077042
13.01.10 09:16:43 -- IOSEEKTIM 10
13.01.10 09:16:43 -- IOTFRSPEED 4096
13.01.10 09:16:43 -- SREADTIM 1.654
13.01.10 09:16:43 -- MREADTIM 9.153
13.01.10 09:16:43 -- CPUSPEED 1064
13.01.10 09:16:43 -- MBRC 200
13.01.10 09:16:43 -- MAXTHR 105528320
13.01.10 09:16:43 -- SLAVETHR 504832
I regather stats and now it seems most truely:
4 SYSSTATS_INFO FLAGS 0
5 SYSSTATS_MAIN CPUSPEEDNW 898,2221077042
6 SYSSTATS_MAIN IOSEEKTIM 10
7 SYSSTATS_MAIN IOTFRSPEED 4096
8 SYSSTATS_MAIN SREADTIM 0,415
9 SYSSTATS_MAIN MREADTIM 8,01
10 SYSSTATS_MAIN CPUSPEED 1102
11 SYSSTATS_MAIN MBRC 11
12 SYSSTATS_MAIN MAXTHR 78653440
13 SYSSTATS_MAIN SLAVETHR 504832
but why it so unstable? When I need to take control over my system statistics job? What is the value of 200?! Thank you for answers.>
Today i observed that filesystem having oracle binaries increased bit drastically.
on drilling down the cause i found that there is generation of trace file every second in the BDUMP directory ranging from 500KB to 2MB.
The no of files generated today is
$ pwd
/cbsora1/ora10g/OraHome1/rdbms/log/bdump
$
$ ls -lrt |grep 'Oct 20'|wc -l
29606
Oracle binaries has been increased ?
The trace files generates in bdump have basically some information/error based on background process, check the alert log's for any Internal error's like ORA-600 or ORA 7445 !!!!
Regards -
hi friens
small doutes plz replay in bref.
1 what is convertional routine?
2 diff between search help and match code?
3 best way to solve nested select statement?
4 what is t.code for application server?
5 easy way to handle table control in bdc?
6 best method to performe the report?
7 in alv to print footer wht is the process?
8 if we have both dev and testing in same sys wht is the process to transport?
9 what is version magement?
10 in interactive repoting hide area for all list same r for each list they will be seprate?
11 wht is the process to use lock object?
12 how to debugg a smart form?
13wht will happen when we use stop in prog?
14if we find a error in bdc what will be the sy-subrc?
while we r doing bdc if suddenly power failure what will happens?
15 what is the process to handle multiple transtions in bcd session?
16 i what to learn smart forms & bapi & ale ,idocs what is easy why to learn quickly?hi Sunil,
All your queries fall in to this check them out
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ABAP System Fields
http://help.sap.com/saphelp_46c/helpdata/en/7b/fb96c8882811d295a90000e8353423/content.htm
For FAQ
http://www.sap-img.com/abap/more-than-100-abap-interview-faqs.htm
http://www.sapgenie.com/faq/abap.htm
BAPI-step by step
http://www.sapgenie.com/abap/bapi/example.htm
Weblog for receive email and processing it through ABAP
/people/thomas.jung3/blog/2004/09/09/receiving-e-mail-and-processing-it-with-abap--version-610-and-higher
For Logical database
http://help.sap.com/saphelp_46c/helpdata/en/9f/db9bed35c111d1829f0000e829fbfe/frameset.htm
very useful
http://help.sap.com/saphelp_46c/helpdata/EN/35/2cd77bd7705394e10000009b387c12/frameset.htm
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For posting weblog,
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Dynamic Internal table -weblog in sdn
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Smartforms
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ALV Documentation for Field
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Regards,
Santosh -
sap certification dout.what is the procedure to write sap exam?
Hi
You can book for the exam in the coming Teched at Banglore by paying the fees and enrole it and appear for the exam
Check the date is over or not for that coming teched.
or in SDN main forum check for the Teched details.
certification ..
/message/213564#213564 [original link is broken]
/message/514469#514469 [original link is broken]
/message/1315746#1315746 [original link is broken]
/message/1736299#1736299 [original link is broken]
/message/1736299#1736299 [original link is broken]
/message/257122#257122 [original link is broken]
/message/130164#130164 [original link is broken]
This is link from SAP about ABAP certification
http://www50.sap.com/useducation/certification/curriculum.asp?rid=351
http://www.sapteched.com/india/confactivities/certexam.htm
http://www50.sap.com/useducation/certification/curriculum.asp?rid=351
There is a pdf called ABAP certification.
http://www.esnips.com/web/SAP-ABAP?
You can try www.sapdoamin.com
They provide Certification simulation questions which are very useful and a must try site.
Have a look at below link for mySAP Technology - ABAP Workbench
https://websmp206.sap-ag.de/~sapidp/011000358700000746472003E
Have a look at below link for SAP NetWeaver - ABAP Workbench
http://www30.sap.com/hk/services/education/pdf/cert/ABAPWB.pdf
The certification test consists of questions from the areas specified below:
Topic Areas
1. mySAP.com Technologies
- mySAP.com
- Navigation (system handling)
- Technical setup of an SAP system
- System-wide concepts
2. ABAP Workbench Basics (++)
- Data types and data objects
- Internal tables
- Data retrieval (authorization check)
- Subroutines
- The ABAP Runtime System
- Function groups and function modules
- Program calls and data transfer
3. ABAP Objects (++)
- Classes and objects
- Inheritance
- Casting
- Interfaces
- Events
- Global classes and interfaces
- Exception handling
- Dynamic programming
4. ABAP Dictionary (++)
- Database tables
- Performance for table access
- Consistency through input check (foreigh key dependency)
- Dependency of ABAP Dictionary objects
- Views
- Search help
5. Techniqes for List Generation (++)
- Data output to lists
- Selection screen
- Logical database
- Program-specific data retrieval
- Data formatting and control level processing
- Storage of lists and background processing
- Interactive lists
6. Dialog Programming (++)
- Screen (basics)
- User interface (GUI title, GUI status)
- Screen elements for output (text fields, status icons, and group boxes)
- Screen elements for input/output
- Subscreen and tabstrip control
- Table control
- Context menu
- Dialog programming lists
7. Database Changes
- Database updates with Open SQL
- LUWs and Client/Server Architecture
- SAP locking concept
- Organizing database changes
- Complex LUW processing
- Number assignment
- Change-document creation
8. Enhancements and Modifications
- Changes in SAP Standards
- Personalization
- Enhancements to Dictionary elements
- Enhancements using customer exits
- Business Transaction Events
- Business Add-Ins
- Modifications
Weighting Key in the Test:
+ = 1 - 10%
++ = 11 - 20%
+++ = over 20%
Regards
Anji -
Je n'arrive pas à charger dans Premiere Elements 8 des projets créés avec Premiere Elements 4. Y a-t-il incompatibilité ou une solution ?
Message: Impossible de charger le projet. Celui-ci est sans doute endommagé ou contient des éléments obsolètes.The idea is to try to finalize in a single project (photos and videos of a trip in West USA) with Pre8 what I have been obliged to split in 2 projects and then to burn on 2 different CDs because of the memory limitation of Pre4. I had to stop all my long projects because Pre4 pops up an error message that says something has happened and must shut down.
I am just hoping that Pre8 is able to manage more photos and longer video clips in a project than Pre4.
Does Adobe have fixed this problem?
Joel -
Dout in java(start n end Date)
hi to all
here is my dout
i want to create a program in java
1.i want start date and end date, in start and end date it has to show how many days that i mention in there.
2.holidays n saturday n sunday days are to b stored in database
3.then it has to show that particular day is saturday n sunday and remaining day is weekday.
(example)
if i am taking leave for 5 days (1,2,3,4,5)
in that days 2,3 are saturday n sunday and 1,4,5 are weekdays, it has to show like this
if u hav any code plz send to me.
i dont know how to do this.
help me plz
reply meIs this a college assignment? If so one of your peers is already WORKING on it in this forum.
if u hav any code plz send to me.You really think someones gonna spend their time doing your home work for you???
If you post code with errors youll get help, but all your saying here is that your too lazy to even try
To get started use the search bar to the left and search for 'calendar' youll find code that allows you to manipulate dates -
Bonjour, j'ai la formule Creative Cloud pour la Photo depuis le 2 juillet 2014, et avant cela j'avais le Programme de photographie Photoshop. Du coup j'ai un doute sur ce dont j'ai droit avec cette formule en plus de Photoshop et Lightroom, il n'y a aucune indication dans mon profil, c'est dingue, j'ai tout retourné et rien trouvé... Pouvez vous m'aider SVP ??? Merci
Merci jmlevy de te pencher sur mon problème.
Voilà une photo de mon panneau page :
Puis une autre d'une page qui ne ressemble plus à rien après changement de pagination:
Voici une ancienne page 28 devenue page 29. Fantastique, non ?
On peut voir :
Que mes blocs sont décalés par rapport à la maquette
que le bloc noir de la page 28 déborde sur la page 29.
Que mon bloc de texte est perturbé par l'ajout sous-jacent d'une page de maquette
que ma pagination a conservé les attributs d'une page pair (numérotation à gauche) alors qu'elle est passée impaire.
J'aurai considéré comme normal que mon ancienne p.28 se soit déplacée en page impaire avec le bloc texte bien placé ET avec les attributs de page (liés au gabarit, tels que pagination, filets, bas de page roulants) modifiés automatiquement. Or il n'en est rien.
Tu me demandais des éclaircissements par rapport à "J'importe mes gabarits dans le document au fur et à mesure de la construction du livre et je libère les éléments de gabarit afin de pouvoir couler le texte et disposer l'icono. Lorsque c'est fait, je ne retourne pas dans le mode page d'InDesign. J'attaque la page suivante." Voici, plus en détails ce que je fais au moment où je monte une nouvelle page. Mes gabarits ont été préparé en amont.
J'ajoute une page au document (ex : une page de texte)
je lui confère le gabarit qui va avec (ex : C-présentation ch1, cf plus haut)
je libère les éléments de gabarits pour pouvoir couler le texte et disposer les images.
quand ma page est finie je recommence l'étape 1.
Est-ce que c'est à l'étape 3 que je me plante ?
Est-ce qu'il y aurait d'autres explications à ce malheureux schmilblick ?
Merci d'avance. -
Dear all,
My dout why we are going for several valuation class for same material type (for example ROH ,3000,3001,etc) they had made posting to same G/L account.OBYC(3000,3001-g/l L33333)
Suppose i want to know the stock value (3000 VCl sugar,3001 VCl maida ) why i should go for different valuation class here iam using different material no (ie,sugar,maida) from that i can take report.
But the settings in the client side is like the above.
we can have report of material ,by valuation class wise any T-code.
Please clear my dout iam confused in the basic itself .
Thanks in advance
Regards
Navinhi
valuation class is the factor which connect ur material to the gl acct
>My dout why we are going for several valuation class for same material type (for example >ROH ,3000,3001,etc) they had made posting to same G/L account.OBYC(3000,3001-g/l L33333)
look as all the raw materials are not of same species
it can be further classified as per the project or dept or any other criteria
as u said maida and sugar suppose ur making bread out of this and the bread is manufactued at different plant then u can have diff val class as per the plant
or suppose u have diffrent raw at for different product like sugar for fin 1 and maida for fin2 then u can have different avl class as per the fin1 and fin2
resulting in diffrent posting accts for fin1 and fin2 or plant wise
hope it clears ur question
refre following
http://www.google.co.in/search?hl=en&q=sapvaluationclass&meta=
regards
KI -
Hi all,
I have some douts in Web application .
1. What is application server? What for we can use this ? Where we can use this ? Tell me 1 example.
2. What is web server? What for we can use this ? Where we can use this ? Tell me 1 example.
3. What is Httpservelt ? Tell me some example
4 .What is Genericservlet ? Tell me some example.
I am confused with this ...........Can any one help me ?
Suresh SHi all,
I have some douts in Web application .I have some doubts about your spelling.
1. What is application server? What for we can use
this ? Where we can use this ? Tell me 1 example.JBoss, BEA WebLogic, for example
2. What is web server? What for we can use this ?
Where we can use this ? Tell me 1 example.Apache, Internet Information Server, for example.
3. What is Httpservelt ? Tell me some exampleAs you wrote it? Nothing (Java is case sensitive). HttpServlet is an interface that descripes the contract that an HTTP servlet must implement.
4 .What is Genericservlet ? Tell me some example.As you wrote it? Nothing (Java is case sensitive). GenericServlet is an abstract implementation of HttpServlet which provides a common base class to write servlets from.
I am confused with this ...........Can any one help me ?Sounds like a loaded question to me.... :-)
You could have searched the web for this info a lot faster then you've waited for replies. -
hi,
my doubt is while taking backups in oem
mode it is showing authentication error
the error code is vni-2015.how to rectify it.
what are the correct steps for performance
tuning and how it can be improved.
srikanth.vIf memory serves, multiple block sizes were not supported until 9i. I believe the answer is no. Once the database standard block size is defined, you can't simply change the block size without recreating the database with new block size of any oracle version so far.
Jaffar -
what is a PRODUCT? Why it is created?
what is a S/W UNIT? why is it created?
what is a S/W COMPONENT? why is is created?
what is a Technical System? why is it created?
what is a Logical System? why we create it while creating of Business System?
what is a Business system? What is use of creating it?
why we maintain a Logical system name?Hi,
SLD is the place where u can define systems that are existing in ur landscape. using these systems u can transfer data from one system to another using PI.
creation of a system comprises of products, software components, technical system, business system.
http://help.sap.com/saphelp_nw2004s/helpdata/en/31/f0ff69551e4f259fdad799a229363e/frameset.htm
what is a PRODUCT? Why it is created?
---> http://help.sap.com/saphelp_nw04/helpdata/en/29/17647d028113439108ce1161263b6e/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/71/0b99063e1f974d9f25951746d04dc3/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/87/59c5726d8b5141bf22831a6ce79d8a/content.htm
/people/sap.india5/blog/2005/11/03/xi-software-logistics-1-sld-preparation
/people/sap.india5/blog/2005/11/09/xi-software-logistics-ii-overview
/people/sap.india5/blog/2005/11/28/xi-software-logistics-solution-iii-cms
/people/scott.braker/blog/2005/01/20/software-deploymentcomponent-archive-basics
what is a S/W UNIT? why is it created?
-->The Netweaver package NW2004, NW2004s etc comes with verious
software units are like the BP ERP, LSO CP and XSS.
Please refer the mySAP ERP 2005 Master Guide.
https://websmp107.sap-ag.de/~sapidb/011000358700005293822005E
/thread/237341
what is a S/W COMPONENT? why is is created?
--->
Software components combine components (DCs) to larger units for delivery and deployment.
· Every top-level component must be assigned to exactly one software component.
· Child components always belong to the same software component as their parent.
· The assignment of DCs to software components is not static and may change over time.
· Software components cannot be nested into each other.
Software components have globally unique names, which are structured according to the rules for DC names. You must define the name when you create the software component; the name cannot be changed later. Names of software components usually consist of a vendor ID and only one segment, such as sap.com/crm.
In XI scenario SLD is the information provider for the Integration Repository, Integration Directory and Integration Server
Integration Repository = Design time activites takes place here
Integration Directory = Configuration time activites takes plave here
Integration server = Runtime activites takes place here
http://help.sap.com/saphelp_nw04s/helpdata/en/c0/98201f59706b4ebb9d9fc5cb7dc0e8/frameset.htm
what is a Technical System? why is it created?
Technical system is a phisical machine, it have a IP. Can be a BBDD, ERP, J2EE ......... a Business System is a logical term that we use into the Business Scenarios and represent these Technical System that we had created.
In the SLD, you have SAP server details as a Technical system . Then Business System is created for this.
Registering a new technical system in SLD - ABAP based
/people/michal.krawczyk2/blog/2005/03/10/registering-a-new-technical-system-in-sld--abap-based
what is a Logical System? why we create it while creating of Business System?
-->In SAP terms, a logical system is a client in a database. Messages are exchanged between logical systems.
Logical system is created in the SLD. For e.g you are posting an Idoc.
what is a Business system? What is use of creating it?
-->
Business System have an entry in the SLD and Buiness Service do not.
Business Systems are used when you are sending data to and from an R3 system and can be of ABAP, JAVA and Third Party Types.
Business System is a logical representation of a Technical System.
Business Service is a abstract representation of a System. For instance, www.google.com have a several system working together and IPs of this machines change eventually. When we use a Business Services like google we reference a computer that we don't know the phisical implementation.
Business Service and Business System difference-
why we maintain a Logical system name?
--> Logical system is maintained to communicate with different systems under the distribution model of ALE Layer.
Thanks
Swarup -
Dout in Submit statement in print program....
Hi all,
In my print program, after printing my forms i need to call another print program. For this im using SUBMIT statement.
I hope my print program goes to an update task. So when it encounters a function module or submit statement it coming out of the print program.
The same logic is working fine when i click 'PRINT PREVIEW' button in the shop papers list of IW32 Transaction. But the control comes out of the program when i go through the PRINT button in the IW32 transaction.
Im not sure whether the control is coming out cuz of any update task.
So please help on this. It's urgent.
Thanks,
karthikSUBMIT always starts new LUW. Not sure if I understand the rest of your "doubt"... You might want to read a bit more on the LUW concept and also check the ABAP documentation on SUBMIT.
http://help.sap.com/saphelp_nw70/helpdata/en/41/7af4b9a79e11d1950f0000e82de14a/frameset.htm -
Douts in authorizations and reports..
Hi Gurus,
I do have some doubts on time manageents consepts like
1. what is Time manager's workplace ( TMW )
2.what is cost assignments and activity allocation
And in Authorizations :
1. what is the general authorization checks
2. what is the Authorization objects? what is usage of this objects?
3. what is structural authorization? when do we use this structure?
in Reports part
1. what is the differents between SAP query and Ad hoc query?
2 what are all the HR reporting methods?
Thanks,
BAlajiIn TMW, the manager can do the following activities for the employees like daily work schedules, suntitutions, overtime, etc
http://help.sap.com/saphelp_47x200/helpdata/en/ea/dd8e3802dd0f3de10000009b38f842/frameset.htm
Cost center assignments are used for payroll. Generally its is used for profit accountability. Through this top level management can know the profit for the project, dept etc through the cost center. Its assigened in Infotype Org. Assignment (IT0001). If an employee working in different departments or projects use in IT Cost Distribution (IT0027).
Generally authorization is used for security purpose. Structural Authorization used for Organizational Management (T Code OOSP) and the general authorization used for USERS in terms of T Codes.
Refer this link for authorization
http://help.sap.com/saphelp_47x200/helpdata/en/97/27973b3ea3eb0fe10000000a114084/frameset.htm
Reporting tools
http://help.sap.com/saphelp_47x200/helpdata/en/a8/2e7237a323427ee10000009b38f8cf/frameset.htm
Hope it helps u to know the overview of ur questions. -
hi
Iam new to plant maintenance i know only the basics
that is
1)create equipment
2)create functional location
3)assignment of equip to functional location
4)create bom for euipment spares
5)create maintenance stratergy (time based)
6)create tak list in that main opration & sub operationcre
7)create maintenance item (assign equipmnt to task list)
8)create maintenance plan (assignment maintenance item to task list & scheduling data)
9)scheduling plan
10)deaadline monitoring ip30 through which we get notification & order
11)confirm order
12)settle order
Up to this is fine even i know basic flow of break down notification here
i want to know
1)what is measuring document (measuring tab in equipment)
2)what is the serial number
3)warranty in equipment how to map where in master data
4)insurance cost of equipment
too much pls guide me
0
0
5hi Navin,
I will explain u measurement document.
there are there steps
1. cerate, change ,display characteristics (trxn ct04 )
2. create ,change display measuring point ik01,ik02.ik03.
3. create,change ,display measurement document ik11, ik12, ik13.
in characterstics u define data type ,unit of measure , status and all other details.
you can assign number of measuring point /counter in master data of equipment
by selecting goto>measuring points/counter.
Or directly through traxn ik01 by specifing equipment number.
if it is measuring counter do not forget to tick checkbox "measuring pt is counter"
in mesurement document u will enter actual reading taken.
e.g. for hydraulic pressure of an pump
characteristics is pressure
measuring point is hyd pump
and in measurement document u will enter pressure reading in time to time.
Regards,
prasad
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