asked on

SQL Server Performance

Hi,

I'm building a Datawarehouse project with SSIS and SSAS.
I've issue with my packages nd query running really slow as I'm quering 2.5 billions of rows with clustered index on the table.

I've attached performance monitor screenshot at the time of my CUBE is processing data.

Can anyone tell me the issue on the server perfromance by looking at Performance monitor.
I dont have much experience on SQL performanc monitoring and measering.

Thanks in advance

jjjosef

You should check the performance of the SQL server and try to improve your server performance :-

Check theCPU usage while running SQL SERVER

Check memory usage by particular query is running

Defragment you database

If in SQL server any object or file is taking large space switch it into a new filegroup

Partitioning of the table & the database if require

These operations would be helpful in order to improve your SQL Server Performance
Also refer the following article for SQL server performance issue :-

Five Things That Fix Bad SQL Server Performance

~ Edit by Modulus_Twelve - This post contains unattributed content from http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=181985 ~

Aaron Shilo

hi

maybe its just me but i don't see any attachments.

jjjosef

I think keplan forget to upload the attachment I don't find too !

keplan

ASKER

HG
Pagefault5.07pm.png

keplan

ASKER

I've attached a screenshot of the PerfMonitor at the time the system is slow.
Please give us your input.

EugeneZ

keplan,
as per the attached picture - your server is chocking
----------------------------------------------------------------------------------------

< query running really slow as I'm quering 2.5 billions of rows with clustered index on the table.
>
please clarify "really slow"
did it run fast before?

----
are you using "pump" from table or using t-sql in your SSIS?
if query: is it AD-HOC or stor proc (it would be better vs. Ad-Hoc )

how fast does it run without SSIS?

you probably need to optimize this t-sql (add indexes; run DB maints: such as update start;reindex)

also you may need to add more memory \CPU to Sql server and SSAS box(s)

BTW: sql server and SSAS on the same box or different servers? if "different" - are they in the same DC or remote?

----------

keplan

ASKER

Hi EugeneZ

I'm reading a single table with 2.3 billions record, I've one clustered index on the table.
Does it best practice to add more index to this table? The Cluster index is a composite key.

and also Table has been partition into weeks

It has not run faster, my requirment to run this faster

I used TSQL script not a Stored proc. Does it make any difference to ths process.

All the component, SSAS and SSIS and SQL server running on the same server.
But, I'm deploying to another SSAS server.

Yes, it is same AD.

Please give me some addtional help, thank you.
Could you please let me know how to optimize the query or DB or Table? I nevere done this, so keen to learn.

ASKER CERTIFIED SOLUTION

EugeneZ

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keplan

ASKER

I've requested that this question be closed as follows:

Accepted answer: 167 points for EugeneZ's comment #a38878512
Assisted answer: 167 points for jjjosef's comment #a38858366
Assisted answer: 166 points for EugeneZ's comment #a38874594
Assisted answer: 0 points for keplan's comment #a38877984

for the following reason:

d