Please start any new threads on our new site at https://forums.sqlteam.com. We've got lots of great SQL Server experts to answer whatever question you can come up with.

 All Forums
 General SQL Server Forums
 New to SQL Server Programming
 Index Searches/Sec

Author  Topic 

krij
Starting Member

9 Posts

Posted - 2009-02-23 : 01:37:30
Hi,

I am getting 10000 to 90000 index searches/sec. Is it ok or not?

karthik_padbanaban
Constraint Violating Yak Guru

263 Posts

Posted - 2009-02-23 : 02:05:07
your question is not clear.

Karthik
Go to Top of Page

krij
Starting Member

9 Posts

Posted - 2009-02-23 : 03:42:10
Karthik,

I have captured perfom results for 1 hour and the results/values between 0 to 90000.(ie., min:0 and max:90000)

Is these values are with in acceptable range?



quote:
Originally posted by karthik_padbanaban

your question is not clear.

Karthik

Go to Top of Page

jackv
Master Smack Fu Yak Hacker

2179 Posts

Posted - 2009-02-23 : 04:22:18
It depends on selectivilty of your columns. Also , when you look at queries in your Execution Plan , do you have any scans?

Jack Vamvas
--------------------
http://www.ITjobfeed.com
Go to Top of Page

krij
Starting Member

9 Posts

Posted - 2009-02-23 : 06:42:51
Jack - There's no scan in my execution plan, but perfmon results (1 hour) shows 3 to 7 full scans/sec.

quote:
Originally posted by jackv

It depends on selectivilty of your columns. Also , when you look at queries in your Execution Plan , do you have any scans?

Jack Vamvas
--------------------
http://www.ITjobfeed.com


Go to Top of Page

sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2009-02-23 : 06:55:44
Actually it should be between 1 and 2 . Use DMV for missing index. Do you know which query is running slow?
Go to Top of Page

krij
Starting Member

9 Posts

Posted - 2009-02-23 : 07:00:36
I have listed out top 10 queries (Order by READS Desc) from trace and I check the execution plan for these queries, there's no scans only I can see the scans and high index searches in 1 hour test.
Go to Top of Page

sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2009-02-23 : 07:03:53
How long did they run? Remember Index scan can be same as scan if all rows have to be fetched.
Go to Top of Page

krij
Starting Member

9 Posts

Posted - 2009-02-23 : 07:13:43
All the queries took below 1-2 Seconds only.
Go to Top of Page

sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2009-02-23 : 07:17:05
quote:
Originally posted by krij

All the queries took below 1-2 Seconds only.



Then the table could be smaller in Which Scan performs better than with index. Run standard reports for Queries.
Go to Top of Page

krij
Starting Member

9 Posts

Posted - 2009-02-23 : 07:23:50
But the perfmon Index searches/sec shows 0 to 90000 (avg: 10000-55000). Is it acceptable range?

quote:
Originally posted by sodeep

quote:
Originally posted by krij

All the queries took below 1-2 Seconds only.



Then the table could be smaller in Which Scan performs better than with index. Run standard reports for Queries.

Go to Top of Page

sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2009-02-23 : 07:49:06
Why are you worried if queries are running in 1-2 secs?
Go to Top of Page
   

- Advertisement -