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The Oracle top ten slowest query
Posted on 2013-06-10
DEAR all,
in MS SQL server, we can find out the top 10 slowest query and then start to tune it one by one in order to make the slowest query faster.
What is teh script for Oracle to find out:
1) top 10 slowest query.
2) Top 10 slowest store procedure.
3) top 10 most busy index?
in MS SQL server, we can find out the top 10 slowest query and then start to tune it one by one in order to make the slowest query faster.
What is teh script for Oracle to find out:
1) top 10 slowest query.
2) Top 10 slowest store procedure.
3) top 10 most busy index?
[X]
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12 Comments
Just run AWR report.
:p
:p
Or...check out if you can use one of these scripts.
Active today
If licensed for it the Performance Pack has many tools for performance tuning.
If you aren't licensed for it use the statspack.
(Oracle 10g and later) AWR reports, see:
http://docs.oracle.com/cd/B19306_01/server.102/b14211/autostat.htm#PFGRF027
(to start a snashot for the AWR report you need:
with execute privilege on package dbms_workload_repository.
execute dbms_workload_repository.c
parameter (default) is ‘TYPICAL’ - can be ‘ALL’)
For earlier Oracle versions, or without performance pack, use statspack
http://docs.oracle.com/cd/B19306_01/server.102/b14211/autostat.htm#PFGRF027
Other potentially useful resources:
http://www.oraperf.com/ (Upload your utlbstat/utlestat or STATSPACK file and get the performance recommendations on your screen)
http://ondataperf.com/ (provides ORACLE database performance analysis using your STATSPACK or AWR METRICS that is generated from your database. All that is required are simple text files that are uploaded to the OnDataperf performance analysis engine.)
http://community.dbapool.com/dbanalyzer.php
Also: Don't forget that although some queries may be costly they might not be run frequently, so you also need to consider frequency of use.
{edit, added the following}
and: regarding the AWR you might find this helpful:
If you aren't licensed for it use the statspack.
(Oracle 10g and later) AWR reports, see:
http://docs.oracle.com/cd/B19306_01/server.102/b14211/autostat.htm#PFGRF027
(to start a snashot for the AWR report you need:
with execute privilege on package dbms_workload_repository.
execute dbms_workload_repository.c
parameter (default) is ‘TYPICAL’ - can be ‘ALL’)
For earlier Oracle versions, or without performance pack, use statspack
http://docs.oracle.com/cd/B19306_01/server.102/b14211/autostat.htm#PFGRF027
Other potentially useful resources:
http://www.oraperf.com/ (Upload your utlbstat/utlestat or STATSPACK file and get the performance recommendations on your screen)
http://ondataperf.com/ (provides ORACLE database performance analysis using your STATSPACK or AWR METRICS that is generated from your database. All that is required are simple text files that are uploaded to the OnDataperf performance analysis engine.)
http://community.dbapool.com/dbanalyzer.php
Also: Don't forget that although some queries may be costly they might not be run frequently, so you also need to consider frequency of use.
{edit, added the following}
and: regarding the AWR you might find this helpful:
How to get the most relevant information from a Statspack or AWR report in just one hour. Focusing only on the details that can be tuned, and that can potentially improve the user response time.http://prezi.com/glqm9zemzhup/interpreting-awr-report-straight-to-the-goal/
Hi,
Another tool very nice that I discovered recently: http://orachrome.com/index.html (has a free trial).
@PortletPaul, very good links - especially the last one ;)
Regards,
Franck.
Another tool very nice that I discovered recently: http://orachrome.com/index.html (has a free trial).
@PortletPaul, very good links - especially the last one ;)
Regards,
Franck.
Active today
"http://orachrome.com/downloading.html"
it seem this one can't run on Windows server? what if I install it from a server and connect to the oracle ?
can I install on the Oracle server itself ?
it seem this one can't run on Windows server? what if I install it from a server and connect to the oracle ?
can I install on the Oracle server itself ?
Active today
Is this a different question?
how does this relate to: "The Oracle top ten slowest query"
please open new questions for new topics
(and, close off finished questions)
Oracle (the dbms) is available for a range of Windows O/S platforms.
how does this relate to: "The Oracle top ten slowest query"
please open new questions for new topics
(and, close off finished questions)
Oracle (the dbms) is available for a range of Windows O/S platforms.
Active today
I see this
"I discovered recently: http://orachrome.com/index.html (has a free trial). " here and I just ask in the same post.
"I discovered recently: http://orachrome.com/index.html (has a free trial). " here and I just ask in the same post.
Active today
>>and I just ask in the same post.
which is not how it should be done in my opinion :(
THIS question is about "The Oracle top ten slowest query"
is this question answered? (if so it should be closed)
Sorry, but if the topic changes - so should the the question.
Taken to the extreme there would be only one question that meanders indefinitely.
which is not how it should be done in my opinion :(
THIS question is about "The Oracle top ten slowest query"
is this question answered? (if so it should be closed)
Sorry, but if the topic changes - so should the the question.
Taken to the extreme there would be only one question that meanders indefinitely.
>> it seem this one can't run on Windows server? what if I install it from a server and connect to the oracle ?
>> can I install on the Oracle server itself ?
It's just a java standalone application, you can intall it everywhere.
>> can I install on the Oracle server itself ?
It's just a java standalone application, you can intall it everywhere.
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