How To Take Full Advantages Of Monitoring Tools
Aug 6, 2013
11.2.0.1Aix 6.1 5L (quadcore, 16GRam) I am still confused how to take full advantage of these monitoring tools. Actually the our database performance is currently satisfactory, except for occasional few minutes spikes of CPU highs > 80 .I just want to catch the culprit process/program responsible for this spikes. Is it wise to run ASH, AWR, ADDM with an input from time 1AM to 1AM next day? What I mean is I will analyze a 1-day period, so that I can catch the program/process that has the higest cpu/memory usage for the day.
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Oct 6, 2010
I am trying to use SQL Tracker but when ja want to start monitoring w3wp.exe proccess, it says:
"Failed to create remote thread; error=8(Not enough storage is available to proccess this command.)"
When I try to monitor some other proccess(example toad.exe), it works. I run SQL Tracker in administrator mode.
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Dec 3, 2010
which tools are available for monitoring load of the database?
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Aug 7, 2012
we can't use the Exadata Plugin for Cloud Control but we need some monitoring of the Cell Servers.Does OS Watcher is the right tool or do we need ADRCI for incidents and so on.
What do have to install and what information do we get.
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Sep 16, 2010
tell me the advantages of using more than one redo log thread? Currently i am setup with 3 logfile groups and 3 members in each group.Ie
logfile group 1 ('/u01/oradata/pri/redo01a.dbf',
'/u02/oradata/pri/redo01b.dbf',
'/u03/oradata/pri/redo01c.dbf') size 30M,
group 2 ('/u01/oradata/pri/redo02a.dbf',
'/u02/oradata/pri/redo02b.dbf',
'/u03/oradata/pri/redo02c.dbf' ) size 30M,
group 3 ('/u01/oradata/pri/redo03a.dbf',
'/u02/oradata/pri/redo03b.dbf',
'/u03/oradata/pri/redo03c.dbf' ) size 30M
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Aug 22, 2012
What are the advantages of writable materialized views.
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Apr 22, 2009
I would like to know more about RUEI's history, as well as advantages and disadvantages of RUEI and its rivals.
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Oct 11, 2012
we had one problem one of oracle job scheduled using dbms_job was inactive for so long time,As one of our developer noticed this and reached me as i checked the dba_job was running without an process
SQL> select sid,serial#,paddr from gv$session where osuser='oracle';
SID SERIAL# PADDR
---------- ---------- ----------------
626 753
i suggested a developer to drop job and reschedule it,now question was raised from them why process was not allocated to job.
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Jun 4, 2013
What is the real time uses for Associative array, nested table and varray ?
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Aug 31, 2011
We are trying to use the methods/constructors in the object types and find it more similar to the procedures and functions in the packages. I am wondering how they are different from stored procs and functions and what are the advantages?
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Jul 23, 2012
I'm using this logic to avoid specific error.Does not seem to be working fine. Any other method to exclude perticular error from monitoring.
if [ -n "$line_no1" -o -n "$line_no3" ] ; then
cat $script_loc/alrt_chk.log | grep -i "ORA-" > $script_loc/ora_alert_only.log
#----
echo "Entering in while Loop"
[code]...
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May 23, 2013
runtime monitoring procedures....need a sample script
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Nov 23, 2010
The Database is Shutdown, no user is complaining about it and also you are not monitoring it through alert log file, then how will you, as a DBA, come to know about it?
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May 20, 2013
To create a script i want to monitor my tablespaces . I want monitor my tablespace by my sqlplus in this script i want tablespace name,total size(MB),user Space (MB),Used Space (%),Free space(MB).
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Aug 20, 2010
Whats is the best Tool for monitoring ORACLE DBs ?
I've heard about Toad, Spotlight, and of course The EM from Oracle..but i know there some other tools that i maybe don't know.
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Feb 24, 2010
I've got a pl/sql procedure that i would like to monitor its progress. Its been running for quite a few hours now and i dont really know if it is stuck in a loop or if it is just taking too long read/execute queries. Is there a way to find out what is the status of the procedure? or what it is currently doing?
I looked at views like v$sessions or v$session_longops but they dont actually tell me what it is currently doing. All of them just point to the call to the pl/sql procedure. Also, is it possible to look at the physical files on the filesystem to know if there is actually any processing going on and files are being written to? Is this possible or a files written to only after a commit?
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Aug 31, 2012
I'd like to start monitoring the customer's database. I need a tool to monitor database's performances and I also need to run day by day a series of queries that produce control reports.
I'd like the tool alerts me by email if something goes wrong.
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Jan 28, 2013
I'm running Oracle EE 11.2.0.2 and when I look in OEM SQL Monitoring, it shows nearly every sql statement running with a degree of parallelism of *2*.
I've checked dba_tables and the 'degree' for all tables is only 1. I look at the actual sql statement, and there are no hints to tell it to use parallelism. So why and how is the database using parallelism?
I do see that parallel_threads_per_cpu is set to 2, but this is default for our Solaris 10 operating system.
REF: (for 11.2)
===========
PARALLEL_THREADS_PER_CPU specifies the default degree of parallelism for the instance and determines the parallel adaptive and load balancing algorithms. The parameter describes the number of parallel execution processes or threads that a CPU can handle during parallel execution.
The default is platform-dependent and is adequate in most cases. You should decrease the value of this parameter if the machine appears to be overloaded when a representative parallel query is executed. You should increase the value if the system is I/O bound.
how to tell if my database is actually IO bound or not?
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Aug 26, 2010
get all the unused index in the system , if i put this query in batch job and execute it every night upto one months and store its data in a table and after one months i can get all the used indexes and left would be our unused indexes.
select
distinct p.object_name c1
from
dba_hist_sql_plan p,
dba_hist_sqlstat s
[Code]....
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Sep 13, 2011
When I monitoring db, I see open cursor increase from a machine running Java application. On the develop machine, everything is ok, but on the production server, open cursors can not close.Although the parameters are the same on 2 servers.
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Mar 26, 2012
give a script to find how much my db buffe cache and redo log buffer cache is used and how much is free.
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Feb 2, 2011
I am currently working on an app for Real-Time DB Monitoring and would like to know how many of you think that you could use such an app?
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Dec 19, 2012
I have version 11.2.0.3 installed in a server AIX and i'd like to know where are alerts and logs like "max extents reached in table....". I don't see them in alert.log.
Where is the best way to monitoring this class of alerts and logs?
How can i see how many actuals extents go consumed in tables and indexes?
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Jul 11, 2012
I have plan to monitor RAC database (2 instance) through 12c grid control.
Do i need to install agent on both the nodes.?
Do i need to configure both the instance.?
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May 31, 2012
I am database developer and suddenly i have been given a DBA work. I have to monitor database for resource intensive queries , whether i/o is more , process memory and many other stuffs.
Provide me some sql queries or scripts which shows that process are over loaded and memory needs to be allocated, queries are taking long time , i/o operation are more instead of memory.
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May 6, 2012
How monitor the unusable objects in oracle 10g (10.2.0.1.0) os rhel 5? is it same as invalid objects and can be monitor as same?
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Apr 23, 2013
11.2.0.1
I am monitoring out PROD database using EMCA database control.
Under "Performance" tab I check the AVERAGE ACTIVE SESSION and I see spikes of "CPU concurrency". (figure emca1)
figure: emca1>
[URL].......
I want to investigate what causes this "spike" in cpu so I drill it down further:
figure: emca2>
[URL]........
Then figure drill down further:
figure: emca3>
[URL].......
But I can not understand what causes the spike thing.
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Mar 5, 2011
I have primary database on RAC 10g and i have a standby, i want add this standby on Grid Control for monitoring this standby.
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Jun 8, 2010
I am using TOAD to monitor user sessions. I have a user who uses nearly 80% of Overall resources in the mornings. He calls me daily and say that his work is done. But even then the TOAD shows that he is using same resources for some time.
My question is can i kill the session once he confirms his work is done OR do i need to wait till the redologs are cleared.
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Nov 7, 2011
Currently all my tablesapces are "UNIFORM" and I am looking into going to "AUTOALLOCATE" so space will not be some much of an issue.
I am using the following code and here is the output
sqlplus -s / <<-EOT
set pages 50
set line 100
set verify off
set feed off
set trimspool on
[code]........
Have a script that can emulate my above output and also deal with tablespaces that can autotallocate?
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