Reduce time

Hi
I have records more than one one Lakh in my table.
1) i have created index for a primary key column.
2) i have used analytical functions in where condition.
so now i want to reduce time for that query .. is there any way to reduce time ...???

BluShadow wrote:
Or use a laptop and sit on a fast plane or train. The faster it goes to slower time goes. ;)You don't even need to do that!
A lesser known consequence of general relativity is that time will move slower in a stronger gravitational field. On Earth, one implication of this is that a clock on the second floor of an office building will move faster than one on the first floor. Using the ultra-precise clock setup, the NIST researchers tested this as well. One of the optical clocks was placed about a foot above the other and measurements were taken. They found a fractional frequency change of (4.1±1.6)x10-17; plugging this number back into relativity's formulas produced an equivalent height differential gave 14.5±5.9 inches, a result that nicely bracketed the 12 inch difference in the experimental setup.http://arstechnica.com/science/news/2010/09/einsteins-relativity-measured-in-newtons-domain.ars

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How can i reduce time of execution

Hi all,
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   Right answer will be appriciated. Thanking you

Hai,
To reduce time of execution go for runtime analysis.
I think this documentation will help you out...
RUNTIME ANALYSIS
The runtime analysis is an additional development workbench tool that is quite useful for analyzing performance of an ABAP / 4 Program or transaction. With this tool, the system can display information about:
     Executed instruction
     Accessed execution time.
     Tables and Types of access.
     Chronological execution flow
The runtime analysis tool creates lists that reveal expensive statements, summarize table accesses. Runtime analysis is specifically designed for tuning individual programs and transactions.
The Runtime Analysis tool measures ABAP/4 statements that are potentially expensive in terms of CPU time. The most significant of these are:
Statement used for database access like select.
Statement used for modularization such as module, perform, call function.
Internal table statements like append, collect.
Starting Runtime Analysis
     From ABAP/4 development workbench select Test Runtime Analysis.
     From ABAP/4 editor, select utilities more utilities Runtime Analysis.
     From ABAP/ source code screen, select Execute Runtime Analysis.
     From R3 screen, select System Utilities Runtime Analysis.
     Entering Transaction code SE30 in the command field.
Following screen is the initial screen for SE30 transaction.
On the initial screen, select the needed object you want to analyze i.e. program or transaction. Enter the name of the object. Click on execute. The system will execute the specified object and will generate a trace file or performance data file, which can then be analyzed when the transaction or program is finished.
Analyzing a performance data file
These files are created at operating system level and many times occupy large memory space, so be sure to remove the files, which are no longer needed.
To analyze the files:
     Click on Analysis
     Following screen is displayed
     From GOTO option you can get overview of runtime analysis.
The options are as follows:
     Hit List Displays a list with the most system expensive instructions.
     Tables Displays the most important tables, the number of accesses and the time needed for the accesses.
     Group hit list Displays a list with the performed instructions classified by instruction type.
     Call hierarchy Presents a chronological listing with the flow of calls during the execution of a program.
During Runtime Analysis, the system measures the statements and stores these measurements in a performance data file. If you measure the same program or transaction several times, the data can vary. Many factors make it difficult to reproduce identical result. E.g., Network traffic.
When you evaluate this file, the system displays the overview - Runtime Analysis Evaluation screen including a bar chart for total execution time. From this screen, you can analyze several types of information like:
     Hit list: displays the list with the most `system-expensive instructions.
     Tables: displays the most important tables, the number of accesses and the time needed for the accesses.
     Group hit list: displays a list of performed instruction classified by its type.
     Call hierarchy: presents a chronological listing with the flow of calls during the execution of program.

Synchronous Scenario. How to reduce time. Pls advice urgent.

Hi All,
I have Synchronous Scenario. It has no BPM , simple synchronous scenario (HTTP --- Webservice).
It is taking 10 seconds. How can I reduce time of this scenario.
Pls advice

Hi,
The Time Consumption is based on below factors
1. the amount of data to be processed across the interface.
2. The response time of Receiver system
3. Type of Mapping used and implementations of any complex logics with Advanced UDFs etc
4. Hardware configurations
5. Resource Consumptions etc.
please refer below fine tunning docs.
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/489f5844-0c01-0010-79be-acc3b52250fd
XI Performance Benchmarks ?
Thanks
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database shows biggest tablespace is "users"
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Right now I am taking backup at usb drive & its version is 2.0
Regards

As you are taking backup to a usb drive there is not much that can be done to improve the speed. If you are concerned about the backup being slow.. then you could think of taking the backup on local disk( which would be faster and more efficient) and then move the backups from the disk to usb drive.
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1) take backup to disk.
2) copy the backup to usb drive and delete the backups from the disk.
There are many additional features that u can add to enhance it thoe.
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V

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Hi Experts,
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Hello,
No there is no need to do that change then.
Can you tell me are you doing a full load daily to 0MATERIAL object.
why dont you use delta.
Also if the DTP is of type FULL, then are you deleting the previous PSA requests.
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I think that this is because it is included language support for all languages, even though the only language we need is English. I might be misunderstanding the cause - this is just my best guess.
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Thank you for the response..
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How to reduce time for gather statistics for a table.

I have a table size 520 gb
Its one of the partition size is 38 gb
and total indexes of related table is 412 gb.
Server/instance details.
==========
56 cpu -> Hyper threading enable
280 gb ram
35 gb sga
27 gb buffer cache
4.5 gb shared pool size
25 gb pga
undo size 90gb
temp size 150 gb
Details :
exec dbms_stats.gather_table_stats('OWNER','TAB_NAME',PARTNAME=>'PART_NAME',CASCADE=>FALSE,ESTIMATE_PERCENT=>10,DEGREE=>30,NO_INVALIDATE=>TRUE);
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Can anybody please reply me how can we reduce the stats gather time.
Thanks in advance,
Tapas Karmakar
Oracle DBA.

Enable tracing to see where the time is going.
parallel 30 seems optimistic - unless you have a large number of discs to support the I/O ?
you haven't limited histogram collection, and most of the time spent of histograms may be wasted time - what histograms do you really need, and how many does Oracle analyse for and then discard ?
Using a block sample may help slightly
You haven't limited the granularity of the stats collection to the partition - the default is partition plus table, so I think you're also doing a massive sample on the table after completing the partition. Is this what you want to do, or do you have an alternative strategy for generating table-level stats.
Regards
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Hi,
> One system that immediately comes to mind has a database size of 2TB. While we have reduced the copyback time for this system by running multiple BDLS sessions in parallel, that process still takes a long time to complete. Also, for the same system, importing the client copy transports of user ID's takes about 8 hours (one full workday) to complete.
>
For BDLS run, I agree with Olivier.
> The 2 weeks time also factors in time to resolve any issues that are encountered, such as issues with the database restore/localization process or issues resulting from human error. An example of human error could be forgetting to request temporary ID's to be created in the production system for use in the QA system after it has been initially restored (our standard production Basis role does not contain all authorizations required for the QA localization effort).
>
For the issues that you encounter because of system copy, you can minimize this time period as you would be doing it on periodic basis (making some task list) and you can make a note of issues that you faced in previous run. So, normally i don't count it as system copy time
Thanks
Sunny

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Regards
Ajay

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My Inventory Transaction DSO taking nearly 18min for 180,000 records to activate. It means it takes 1 min for every 10,000 records to activate. I think its too much.
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Thanks.....

Hi,
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Regards,
Raghavendra.

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ejp wrote:
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use latest OS and dont keep tons of stuff on media card
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Reduce time

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