Performance of LMDB and CL_CIM_XMLPARSER
Hello
During the execution of the transaction LMDB I have huge response time.
Do you know if there is a correction (note) or it's just bad programed?
Thank you and regards,
Tommaso
Hello,
Perhaps SAP Note 1622267 may be helpful in this case?
If not you should check SAP Note 1555955 - SAP Solution Manager 7.1 - Performance Checks for LMDB
Regards,
Paul
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Hi!
I'm having quite some problems with the performance of MySQL and Database connectivity toolbox. However, I'm very happy with the ease of using database connectivity toolbox. The background is:
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My questions are:
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>> Is your database on a different computer? Does your loop execute 61 times?
Database is on the same computer as the MySQL server.
The loop saves 61 values at once to the database, in one SQL-statement.
I have now added the front panel and block diagram for my test-VI. I have implemented the queue system and separate loops for producer and consumer. However, since the queue is building up faster then the consumer loop consumes values, the queue is building up quite fast and the disc starts working.
The test database table that I add data to is created by a simple:
create table test(aa int, bb char(15));
...I'm sure that this can be improved in some way.
I always open and close the connection to the database "outside the loop". However, it still takes some 40-50 ms to save the data to the database table - so, unfortunatly no progress to far. I currently just want to save the data.
Any more advise will be gratefully accepted.
Regards,
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Message Edited by mattias@hv on 10-23-2007 07:50 AM
Attachments:
front panel 2.JPG 101 KB
block diagram.JPG 135 KB -
Hi,
I have a user in our Hong Kong office that is unable to open a distribution group she has added to her Groups. She gets the error message "Cannot perform this action, and the cause is unknown. Contact your support team to investigate."
I can add the group and expand it, so can some of her colleague, and some cannot. Her colleagues who can have the same client and global policy settings as she does.
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Thanks in advance
regards,
prasantThere is a great tutorial for insert, update and delete records in a table.
http://developers.sun.com/prodtech/javatools/jscreator/learning/tutorials/2/inserts_updates_deletes.html
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Does the computer reset to a generic password?
No, it most likely means that there was a disk problem, you can generally prevent... well, let me give you my whole spiel since we're here...
Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
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Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
3. Click the First Aid tab.
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5. Select your Mac OS X volume.
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http://docs.info.apple.com/article.html?artnum=106214
Then Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it finishes.
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DAQ vi to perform digital write and read measurements using 32 bits binary data saved in a file
Hi
DAQ vi to perform digital write and read measurements using 32 bits binary data saved in a file
Two main
sections:
1)
Perform
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each file have a single row of 32bits different binary data (analogous to 1D
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32 bits binary data, I want the data written or read just by opening a file
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2)
And
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then through the NI-USB 6509 is same as the data read.
I’m aware I can’t use the simulated
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My Plan
of action
I’ve
created a basic write/read file task and a write/read DAQ task for NI USB 6509
and both combine in a while loop to form a progress VI which I’m confuse of how
to proceed with the implementation.
My
greatest problem is to link both together with the correct functions or operators
such that there are no syntax/execution errors and thus achieve my intended
result.
This
project is one of my many assignments for my master thesis, so please i’ll
appreciate every help as I’m not really efficient with LabVIEW programming but
I prefer it because is fun and interesting if I get to know it.
Currently I’m
practicing with LabVIEW 8.6/NI DAQmx 8.8 Demo versions and NI USB 6509
simulated device.
Please see
the attached file for my novice progress, thanks in
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Rgds
Paul
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DIO_write_read DAQ from file.vi 17 KBWhat does your file look like? The DAQmx write is expecting a single U32 value, not an array of I64.
Message Edited by vt92 on 09-16-2009 02:42 PM
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Need to perform both Queue and stack operations in Visual C# code
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Hi,
In this structure contains base logics of Queue and Stack. Well stack plays major role here with operations of PUSH, POP with additional operation of Queue i.e., ENQUEUE and DEQUEUE. Here the stack has enqueue and dequeue
https://code.msdn.microsoft.com/The-Stacked-Queues-An-11f3703a
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Can any one explain me the steps how to improve performance of Dimension and Fact table.
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reddHi!
There is much to be said about performance in general, but I will try to answer your specific question regarding fact and dimension tables.
First of all try to compress as many requests as possible in the fact table and do that regularily.
Partition your compressed fact table physically based on for example 0CALMONTH. In the infocube maintenance, in the Extras menu, choose partitioning.
Partition your cube logically into several smaller cubes based on for example 0CALYEAR. Combine the cubes with a multiprovider.
Use constants on infocube level (Extras->Structure Specific Infoobject properties) and/or restrictions on specific cubes in your multiprovider queries if needed.
Create aggregates of subsets of your characteristics based on your query design. Use the debug option in RSRT to investigate which objects you need to include.
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Use line item dimension where applicable, but use the "high cardinality" option with extreme care.
Generate database statistics regularily using process chains or (if you use Oracle) schedule BRCONNECT runs using transaction DB13.
Good luck!
Kind Regards
Andreas -
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Hi All,
When we try to perform the task and data audit functions in workspace it throws the following error please advise how to fix this issue.
An error has occurred. Please contact your administrator.
Show Details:
Error Reference Number: {110FD8BF-AD33-4257-BA3D-46FF30208EA2};User Name: admin@Native Directory
Num: 0x80040e31;Type: 1;DTime: 6/24/2010 3:42:55 AM;Svr: USNSAP03EX;File: CHsvSystemActivity.cpp;Line: 479;Ver: 11.1.1.2.0.2207;DStr: Timeout expired;
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Thanks in advance,If you have any SELECT FOR UPDATE in your code, these will produce locks, and it will not be released until the session which has locked the record has released it. This can be one reason why you have this behavior.
you need to trail your code if it's explicitly locking a row or more.
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== This happened ==
Every time Firefox opened
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