How to identify TOP 5 SQL consuming more CPU time without using statspack

How to identify the TOP 5 SQL queries which are consuming more CPU time during the timespan of 24 hours for entire database. There are N number of users who have issued sql queries, out of which few users have disconnected and few user are still connected to the database(I need to consider all sessions). My database version is 9.0.1. I don't want to use statspack. Is there any way to identify TOP 5 SQL consuming more CPU time without affecting the performance of the database. Can any one help me on this? Its urgent!!.

My database version is 9.0.1. I don't want
to use statspack. Is there any way to identify TOP 5
SQL consuming more CPU time without affecting the
performance of the database. Can any one help me on
this? Its urgent!!.I cant understand why you dont want to use statspack. As it is very easy to use and very quick to identify bottlenecks. Try using statspack. Its really wonderful.
Particularly in your case statspack is the best.
Regards,
Sanju.

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Urgt:How to identify TOP 5 SQL using more CPU time without using statspack

How to identify the TOP 5 SQL queries which are consuming more CPU time during the timespan of 24 hours for entire database. There are N number of users who have issued sql queries, out of which few users have disconnected and few user are still connected to the database(I need to consider all sessions). My database version is 9.0.1. I don't want to use statspack. Is there any way to identify TOP 5 SQL consuming more CPU time without affecting the performance of the database. Can any one help me on this? Its urgent!!. I don't want to use statspack becasue it degrades the performance and i cannot afford to run it for 24 hours.

You don't run statspack for 24 hours, that would infact be pointless...
Run statspack for say a 10 or 15 minute window during a particular "busy" period on your database. If you run it for longer then all the useful data will have been "averaged out". You want a snapshot in time, not an average over the day.

How to find top 10 SQL statments which are consuming more cpu time.

hi all,
Is there any command or script to monitor the top 10 sql statments which are consuming more cpu time.
I know by using AWR REPORT we can find it, i want the command or script to find the top cpu utilization sql statments.
Regards
Subhash.

Subhash,
A quick and dirty Google search could have get you started with the following:
Thread: how to get top CPU consuming sql oracle 10g
Re: how to get top CPU consuming sql oracle 10g
Oracle SQL top sessions
http://www.dba-oracle.com/oracle10g_tuning/t_sql_top_sessions.htm
"How to Find top 10 expensive sql's", version 9.2.0
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:73325450402303
HTH,
Thierry

How to Set Distinct SQL Clause on View Object without using Expert Mode.

Hi to all Actually i have a View Object usign 3 entities
if i use expert mode in my VO, it generate
QRSLT WHERE
instruction and force to include all columns on my dynamic where clause on select statement i can't include columns because get me duplicate rows
How i can include disctinct clause without usign expert mode or any other solution?
Note that in normal mode without expert mode QRSLT WHERE is not generate and all work fine
For example
select * ( select id , name from table) QRSLT WHERE loc = ..
if i use expert mode it generate QRSLT WHERE and if loc is not predicated colums get me and error :
( ORA-00904: invalid identifier )
in simple mode of View Object all work fine..
Any suggestion on It will be appreciate.....
Tnx

My problem is that when use expert mode
it's change simple select statement for a select that use
select * from (select column....)
qrslt WHERE (column=somevalue)
this kind of select force me to include all where conditions of qrslt on my select columns and this get duplicate rows
thats beacuse i need include distinct without use expert mode
Anny Help on this?

How to get top SQLs in a time period

HI, How can identify top SQL over a period of 1-month. Top SQL tab only displays top SQLs in last 24 hours in grid control.
Neeraj

AWR is your answer. Find the snapshots from Month old to current or what ever time you want and create a preserved snapshot set. and then create a report.
That will give you the top 10 sql with in that range.
AWR can be found under Adminstration tab.
Naren

How to find which query taking more cpu

Hi,
How to find which query taking more CPU
at a particular point of time .
Chhers,

Take a look at Server Standard Reports. It has a few CPU usage oriented reports.
You can also track CPU usage by server-side tracing:
http://www.sqlusa.com/bestpractices/createtrace/
Glenn Berry's CPU usage query:
SELECT TOP(25) p.name AS [SP Name], qs.total_worker_time AS [TotalWorkerTime],
qs.total_worker_time/qs.execution_count AS [AvgWorkerTime], qs.execution_count,
ISNULL(qs.execution_count/DATEDIFF(Second, qs.cached_time, GETDATE()), 0) AS [Calls/Second],
qs.total_elapsed_time, qs.total_elapsed_time/qs.execution_count
AS [avg_elapsed_time], qs.cached_time
FROM sys.procedures AS p WITH (NOLOCK)
INNER JOIN sys.dm_exec_procedure_stats AS qs WITH (NOLOCK)
ON p.[object_id] = qs.[object_id]
WHERE qs.database_id = DB_ID()
ORDER BY qs.total_worker_time DESC OPTION (RECOMPILE);
LINK:
http://dba.stackexchange.com/questions/52216/sql-server-2008-high-cpu-historical-queries
Query optimization:
http://www.sqlusa.com/articles/query-optimization/
Kalman Toth Database & OLAP Architect
SELECT Video Tutorials 4 Hours
New Book / Kindle: Exam 70-461 Bootcamp: Querying Microsoft SQL Server 2012

Query to find out which process consuming more cpu?

Hi All,
some one please tell me the query to find out which process is consuming more
cpu resources?
Thanks and Regards
Srikanth

Use V$SESSTAT to determine which sessions are using most CPU, and investigate what SQL these users/sessions are executing:
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where ss.statistic# in
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The Syslogd process consuming more CPU utilization in Solaris 10. Kindly help how to reduce this cpu utilization.
Regards
Siva

Hi Robert,
Both are same architecture. x86
The following is the prstat o/p from the affected server. Pls note that one of the mount point in this server is in ZFS.
prstat -l
PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/LWPID
26092 root 3933M 3930M cpu1 60 0 29:00:43 22% syslogd/56
26092 root 3933M 3930M run 30 0 289:47:33 12% syslogd/18
26092 root 3933M 3930M run 40 0 272:31:05 11% syslogd/22
26092 root 3933M 3930M run 22 0 14:47:16 9.7% syslogd/65
26092 root 3933M 3930M run 42 0 14:43:46 9.7% syslogd/63
26092 root 3933M 3930M run 31 0 14:40:42 9.6% syslogd/66
26092 root 3933M 3930M sleep 40 0 152:45:42 5.9% syslogd/21
26092 root 3933M 3930M cpu0 53 0 6:41:58 4.1% syslogd/58
26092 root 3933M 3930M run 52 0 6:23:13 4.0% syslogd/57
26092 root 3933M 3930M sleep 43 0 6:29:21 3.9% syslogd/59
26092 root 3933M 3930M sleep 52 0 5:55:14 3.6% syslogd/71
More over we are continuously receiving the below error message in the /var/adm/messages, we don't know, from where the error arises from the syslog server.
syslogd: malloc failed: dropping message from remote: Not enough space
PRIVILEGE :[4] 'NONE'
Edited by: Siva_Systems on Mar 29, 2010 5:06 AM
Edited by: Siva_Systems on Mar 29, 2010 8:18 AM

Oracle internal queries taking more CPU time

Hi,
Following are queries taking more CPU time. I got this from awr report. Can anyone tell me why these queries are running? Is it a oracle enterprise manager query? should I use
emctl stop dbconsole to stop this?
DECLARE job BINARY_INTEGER := :job; next_date DATE := :mydate; broken BOOLEAN := FALSE; BEGIN EMD_MAINTENANCE.EXECUTE_EM_DBMS_JOB_PROCS(); :mydate := next_date; IF broken THEN :b := 1; ELSE :b := 0; END IF; END;
SELECT COUNT(*) FROM MGMT_METRIC_DEPENDENCY_DETAILS DEP, MGMT_SEVERITY SEV WHERE DEP.TARGET_GUID = :B5 AND DEP.METRIC_GUID = :B4 AND DEP.KEY_VALUE = :B3 AND DEP.EDEP_TARGET_GUID = SEV.TARGET_GUID AND DEP.EDEP_METRIC_GUID = SEV.METRIC_GUID AND DEP.DEP_KEY_VALUE = SEV.KEY_VALUE AND SEV.COLLECTION_TIMESTAMP BETWEEN :B2 AND :B1
SELECT CURRENT_STATUS FROM MGMT_CURRENT_AVAILABILITY WHERE TARGET_GUID = :B1
Thanks in advance
With Regards
boobathi.P

Hi,
maybe this document will help if you are using 10g:
SQL run by SYSMAN consuming a lot of resources on OMS with 800+ targets [ID 330383.1]
https://support.oracle.com/CSP/main/article?cmd=show&type=NOT&doctype=PROBLEM&id=330383.1
there you'll find Cause and Solution too:
SYSMAN Job and Queries are Taking Up High CPU (DB Console) [ID 1288301.1]
https://support.oracle.com/CSP/main/article?cmd=show&type=NOT&doctype=PROBLEM&id=1288301.1
For databases above version 11.1 there are paches available.
Best,
Michael T. Z.

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Hi All,
Oracle 11g R2(11.2.0.3) EE , on Linux machine.
Oracle auto optimizer stats collection enabled in our environment. In that dbms_stats.cleanup_stats_db_proc() taking more CPU time (more than 24 hours).
Could you please suggest any solution.
Thanks in advance.
BR,
Surya

suresh.ratnaji wrote:
NAME                                 TYPE        VALUE
_optimizer_cost_based_transformation string      OFF
filesystemio_options                 string      asynch
object_cache_optimal_size            integer     102400
optimizer_dynamic_sampling           integer     2
optimizer_features_enable            string      10.2.0.4
optimizer_index_caching              integer     0
optimizer_index_cost_adj             integer     100
optimizer_mode                       string      choose
optimizer_secure_view_merging        boolean     TRUE
plsql_optimize_level                 integer     2
please let me know why it taking more time in INDEX RANGE SCAN compare to the full table scan?Suresh,
Any particular reason why you have a non-default value for a hidden parameter, optimizercost_based_transformation ?
On my 10.2.0.1 database, its default value is "linear". What happens when you reset the value of the hidden parameter to default?

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How do l stop my macbook crashing every time l use iPhoto?

how do l stop my macbook crashing every time l use iPhoto?
This keeps happening since l upgraded to OX S Mavericks.
and l have upgraded to the latest version of iphoto with RAW compatability.

Here is some of the log.
Anonymous UUID:       33A6929B-E49B-277A-0474-96802A6C3473
Thu Feb 6 18:31:29 2014
panic(cpu 0 caller 0xffffff7f8b15bfac): "GPU Panic: [<None>] 5 3 7f 0 0 0 0 3 : NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc0000000 0xffffff80fb637000 0x0a5480a2, D0, P3/4\n"@/SourceCache/AppleGraphicsControl/AppleGraphicsControl-3.4.12/src/Apple MuxControl/kext/GPUPanic.cpp:127
Backtrace (CPU 0), Frame : Return Address
0xffffff80fa352e50 : 0xffffff8008e22f69
0xffffff80fa352ed0 : 0xffffff7f8b15bfac
0xffffff80fa352fa0 : 0xffffff7f8983c53d
0xffffff80fa353060 : 0xffffff7f89908d9e
0xffffff80fa3530a0 : 0xffffff7f89908dfc
0xffffff80fa353110 : 0xffffff7f89b8d5be
0xffffff80fa353240 : 0xffffff7f8992cd41
0xffffff80fa353260 : 0xffffff7f8984308d
0xffffff80fa353310 : 0xffffff7f89840bae
0xffffff80fa353510 : 0xffffff7f898424d7
0xffffff80fa3535e0 : 0xffffff7f8a7835bf
0xffffff80fa3536b0 : 0xffffff7f8a7ad993
0xffffff80fa353730 : 0xffffff7f8a795cc0
0xffffff80fa353790 : 0xffffff7f8a7965ba
0xffffff80fa3537e0 : 0xffffff7f8a796934
0xffffff80fa353850 : 0xffffff7f8a7971a8
0xffffff80fa353890 : 0xffffff7f8a7641ca
0xffffff80fa353a10 : 0xffffff7f8a793b20
0xffffff80fa353ad0 : 0xffffff7f8a762cb9
0xffffff80fa353b20 : 0xffffff80092cc226
0xffffff80fa353b40 : 0xffffff80092cd821
0xffffff80fa353ba0 : 0xffffff80092cb28f
0xffffff80fa353cf0 : 0xffffff8008eb6008
0xffffff80fa353e00 : 0xffffff8008e26bb1
0xffffff80fa353e30 : 0xffffff8008e139b5
0xffffff80fa353ea0 : 0xffffff8008e1e003
0xffffff80fa353f20 : 0xffffff8008ec90dd
0xffffff80fa353fb0 : 0xffffff8008ef3bd8
      Kernel Extensions in backtrace:
         com.apple.nvidia.classic.NVDAResmanTesla(8.1.8)[0A1B6F41-168D-307A-BABD-162F3B3 C2786]@0xffffff7f897eb000->0xffffff7f89a5afff
            dependency: com.apple.iokit.IOPCIFamily(2.8)[447B4896-16FF-3616-95A2-1C516B2A1498]@0xffffff 7f894ba000
            dependency: com.apple.iokit.IONDRVSupport(2.3.6)[86BA68C6-18DD-30A1-ABF6-54597AD6C277]@0xff ffff7f897db000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.6)[38E388A5-92D6-3388-B799-F2498E582287]@0 xffffff7f89798000
         com.apple.driver.AppleMuxControl(3.4.12)[A4934A66-0E30-36E9-984A-650481102449]@ 0xffffff7f8b14e000->0xffffff7f8b160fff
            dependency: com.apple.driver.AppleGraphicsControl(3.4.12)[661E3C87-5B97-3272-88FF-B9BA9B6E2 4ED]@0xffffff7f8b146000
            dependency: com.apple.iokit.IOACPIFamily(1.4)[045D5D6F-AD1E-36DB-A249-A346E2B48E54]@0xfffff f7f89724000
            dependency: com.apple.iokit.IOPCIFamily(2.8)[447B4896-16FF-3616-95A2-1C516B2A1498]@0xffffff 7f894ba000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.6)[38E388A5-92D6-3388-B799-F2498E582287]@0 xffffff7f89798000
            dependency: com.apple.driver.AppleBacklightExpert(1.0.4)[E04639C5-D734-3AB3-A682-FE66694C66 53]@0xffffff7f8b149000
         com.apple.nvidia.classic.NVDANV50HalTesla(8.1.8)[3666E0FC-87C7-3329-BD8C-2F1ADE D100A4]@0xffffff7f89a65000->0xffffff7f89d11fff
            dependency: com.apple.nvidia.classic.NVDAResmanTesla(8.1.8)[0A1B6F41-168D-307A-BABD-162F3B3 C2786]@0xffffff7f897eb000
            dependency: com.apple.iokit.IOPCIFamily(2.8)[447B4896-16FF-3616-95A2-1C516B2A1498]@0xffffff 7f894ba000
         com.apple.GeForceTesla(8.1.8)[7DAF283F-6FD3-3783-B3CC-D23964F1B9B8]@0xffffff7f8 a751000->0xffffff7f8a81bfff
            dependency: com.apple.iokit.IOPCIFamily(2.8)[447B4896-16FF-3616-95A2-1C516B2A1498]@0xffffff 7f894ba000
            dependency: com.apple.iokit.IONDRVSupport(2.3.6)[86BA68C6-18DD-30A1-ABF6-54597AD6C277]@0xff ffff7f897db000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.6)[38E388A5-92D6-3388-B799-F2498E582287]@0 xffffff7f89798000
            dependency: com.apple.nvidia.classic.NVDAResmanTesla(8.1.8)[0A1B6F41-168D-307A-BABD-162F3B3 C2786]@0xffffff7f897eb000
BSD process name corresponding to current thread: iPhoto
Mac OS version:
13B42
Kernel version:
Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64
Kernel UUID: 1D9369E3-D0A5-31B6-8D16-BFFBBB390393
Kernel slide:     0x0000000008c00000
Kernel text base: 0xffffff8008e00000
System model name: MacBookPro6,2 (Mac-F22586C8)
System uptime in nanoseconds: 6760901154613
last loaded kext at 6308655361892: com.apple.filesystems.msdosfs          1.9 (addr 0xffffff7f8b271000, size 65536)
last unloaded kext at 6478389024473: com.apple.filesystems.msdosfs          1.9 (addr 0xffffff7f8b271000, size 57344)
loaded kexts:
net.kromtech.kext.Firewall          2.3.5
foo.tap          1.0
foo.tun          1.0
com.apple.driver.AudioAUUC          1.60
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.driver.AGPM          100.14.11
com.apple.filesystems.autofs          3.0
com.apple.iokit.IOBluetoothSerialManager          4.2.0f6
com.apple.driver.AppleMikeyHIDDriver          124
com.apple.driver.AppleHDA          2.5.3fc1
com.apple.driver.AppleMikeyDriver          2.5.3fc1
com.apple.GeForceTesla          8.1.8
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.driver.AppleSMCLMU          2.0.4d1
com.apple.driver.AppleMuxControl          3.4.12
com.apple.driver.AppleIntelHDGraphics          8.1.8
com.apple.driver.AppleIntelHDGraphicsFB          8.1.8
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.0f6

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How to identify TOP 5 SQL consuming more CPU time without using statspack

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