Difference between AWR ,ADDM ,ASH
Hello
Can some one please explain me the difference between AWR ASH AND ADDM database reports
Thankyou
AWR
[http://www.oracle-base.com/articles/10g/AutomaticWorkloadRepository10g.php#]
ADDM
[http://www.oracle-base.com/articles/10g/AutomaticDatabaseDiagnosticMonitor10g.php]
ASH - Active Session History. Names says it all.
[http://www.oracle.com/technology/pub/articles/10gdba/nanda_10gr2dba_part3.html#ash]
-Anantha
Similar Messages
-
License position for ADDM, ASH and AWR
What's the license position for ADDM, ASH & AWR ?
I see these are freely available via OEM DB Control on my database instance. However I think I remember seeing ( though I can't find it now ) something that said they are chargeable ( under the Oracle Diagnostics pack license ? ). So even though they are freely accessible from OEM, if you use them you become liable for a license fee !
I understood that AWR is really the replacement for Stats Pack but that Stats Pack is still in 11g because it is free ( whilst ADDM, ASH and AWR are not ) - is that correct ?
I have not been able to find any documentation pertaining to the licensing / chargability ( or otherwise ) of these producs / features
Can anyone clear the confusion ?Hi,
Statspack is still free and the diagnostic features are licenced.
Pricing details can be obtained from
http://www.oracle.com/us/corporate/pricing/price-lists/index.html
http://www.oracle.com/us/corporate/pricing/technology-price-list-070617.pdf
-Aravind -
Hi all,
How long will the information data which are read by ASH, AWR, ADDM stay in my database?
Do I need to purge them every month? or every quarter? or every 6months? or every year?
What is the ideal retention months?
Thanks a lot,
zxyHi all,
How long will the information data which are read by ASH, AWR, ADDM stay in my database?
Do I need to purge them every month? or every quarter? or every 6months? or every year?
What is the ideal retention months?
Thanks a lot,
zxy
In Oracle 10g retention is 7 days and in 11g its 8 days by default.
For a better understanding, please refer Automatic Performance Statistics -
Differences between Oracle 10g Enterprise and Standare editions
Can someone please direct me to a link where I can find the differences between Enterprise and standard editions? Thanks in advance.
10g provides many self-tuned festures like SGA. Browser based DBcontrol, AWR, ADDM, advisors ....
-
Hi every one,
what is the difference between statspack, awr, addm reports and how these report are going to analyze and how these reports are going to use in real time.
please let me know.
thank ypu!851707 wrote:
Hi every one,
what is the difference between statspack, awr, addm reports and how these report are going to analyze and how these reports are going to use in real time.
The very major difference between Statspack and the other reports is that the former one is a free one and all the rest, require a licence before you can legally use them. For the usage of both the types of reports, please read the entire series for the same written by Jonathan Lewis on http://jonathanlewis.wordpress.com/statspack-examples/
HTH
Aman.... -
How to calculate the % of time difference between different state
Hi there,
The below query returns the follwoign outptut. I need to calculate the % of time period that a specific state ( state ex: open or closed or all report )exists.
I have to find the time difference between the 2 states . How could I do that ?
The first row shows null for the previous state . How could get actual previous state for the first row?
SELECT si.station_name,
vppstation.avi_control_state_code.STATE_SHORT_NAME,
ash.state_id ,
lag(ash.state_id) over (order by ash.STATE_EFF_DATE desc) previous_state,
TO_NUMBER(TO_CHAR(ash.state_eff_date, 'SSSSS')) "periods in sec",
TO_CHAR(ash.state_eff_date, 'dd-mon-yyyy hh24:mi:ss am') "Date"
from vppstation.avi_state_history ash
left outer join vppstation.avi_control_state_code
on ash.state_id = vppstation.avi_control_state_code.state_id
LEFT OUTER JOIN vpproadside.stations_installed si
ON ash.station_id = si.station_id
where ash.state_eff_date >= to_date('28/02/2010', 'dd/mm/yyyy')
and ash.state_eff_date <= to_date('03/03/2010', 'dd/mm/yyyy') ;
group by si.station_name
ash.state_id
order by ash.state_eff_date asc ;
STATION_NAME STATE_SHORT_NAME STATE_ID PREVIOUS_STATE periods in sec Date
IRDNCST02 Open 1 NULL 85166 01-mar-2010 23:39:26 pm
IRDNCST02 All Report 3 1 85159 01-mar-2010 23:39:19 pm
IRDNCMT01 Closed 2 3 81376 01-mar-2010 22:36:16 pm
IRDNCST02 Open 1 2 78723 01-mar-2010 21:52:03 pm
IRDNCST02 All Report 3 1 76023 01-mar-2010 21:07:03 pm
IRDNCMT01 Open 1 3 55922 01-mar-2010 15:32:02 pm
IRDNCMT01 Closed 2 1 54931 01-mar-2010 15:15:31 pm
IRDNCHA01 Closed 2 2 41291 01-mar-2010 11:28:11 am
IRDNCAS01 Open 1 2 38847 01-mar-2010 10:47:27 am
IRDNCAS01 All Report 3 1 37947 01-mar-2010 10:32:27 am
IRDNCST02 Open 1 3 35332 01-mar-2010 09:48:52 am
IRDNCST02 All Report 3 1 32632 01-mar-2010 09:03:52 am
IRDNCST02 Open 1 3 31502 01-mar-2010 08:45:02 am
IRDNCST02 All Report 3 1 28802 01-mar-2010 08:00:02 am
IRDNCHI01 Open 1 3 25368 01-mar-2010 07:02:48 am
IRDNCHI02 Open 1 1 23939 01-mar-2010 06:38:59 am
IRDNCMT01 Open 1 1 20696 01-mar-2010 05:44:56 am
IRDNCCH02 Open 1 1 13452 01-mar-2010 03:44:12 am
Edited by: Indhu Ram on Mar 11, 2010 1:34 PM
Edited by: Indhu Ram on Mar 11, 2010 2:20 PMIf you look at the table which is output of the given query , there is column called "STATE_ID" It shows the current state ie open or closed or all report.
The column 'PREVIOUS_STATE' shows the state before the current state. .In the table in 2nd row in previous_state column there is state_id = 1 (open)which is the state before 'all report state' -
What is the difference between buffer busy waits and free buffer waits
what is the difference between buffer busy waits events and free buffer waits in Oracle database?
select *
from
v$system_event
where
event like ‘%wait%’;
EVENT TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED AVERAGE_WAIT
buffer busy waits 636528 1557 549700 .863591232
write complete waits 1193 0 14799 12.4048617
free buffer waits 1601 0 622 .388507183jetq wrote:
Buffer busy waits occur when an Oracle session needs to access a block in the buffer cache, but cannot because the buffer copy of the data block is locked. This buffer busy wait condition can happen for either of the following reasons:
* The block is being read into the buffer by another session, so the waiting session must wait for the block read to complete. If the OP is running 10g, that would be recorded as "read by other session" not "buffer busy waits" - and unfortunately he didn't tell us the version.
* Another session has the buffer block locked in a mode that is incompatible with the waiting session's request.
The Free Buffer Waits Oracle metric wait event indicates that a server process was unable to find a free buffer and has posted the database writer to make free buffers by writing out dirty buffers.
There is another possibility - if the OP is using a keep and recycle pool: see http://jonathanlewis.wordpress.com/2006/11/21/free-buffer-waits/
Regards
Jonathan Lewis
http://jonathanlewis.wordpress.com
http://www.jlcomp.demon.co.uk
To post code, statspack/AWR report, execution plans or trace files, start and end the section with the tag {noformat}{noformat} (lowercase, curly brackets, no spaces) so that the text appears in fixed format.
"For every expert there is an equal and opposite expert"
Arthur C. Clarke -
Difference between wait events 'buffer busy waits' & 'latch: CBC'
Hi ,
Can some one explain me the Difference Between 'Buffer Busy Waits' and 'Latch: Cache Buffers Chains"? What was explained in metalink note Doc ID: 833303.1
, is incomprehensible to me.
Looking for easy and better explanation.
Thanks
NaveenNaveen Sangam wrote:
Can some one explain me the Difference Between 'Buffer Busy Waits' and 'Latch: Cache Buffers Chains"? What was explained in metalink note Doc ID: 833303.1
, is incomprehensible to me.
That note is awful and should be witdrawn - amongst other things it makes it sound as if there is only one reason for buffer busy waits. There is an option to comment on such notes - I suggest you use it.
Going back a little further from Aman's description - and ignoring some of the internal details:
The buffer cache is split into a large number of small groups of buffered blocks; these groups are usually called "hash buckets" or "hash chains". If you need to find a block and it is buffered, Oracle can do some hashing arithmetic to work out which chain the block will be in.
The chains are protected by latches (typically a single latch protects 64 - 128 chains). You cannot examine a chain unless you are able to get the latch that protects it. So the commonest action you go through to view or modify a buffered block is:
<ul>
work out which chain
get the latch for the chain xxx
search along the chain to see if the block is in memory
attach a "pin" to the buffered block block if you find it (to make sure it can't be kicked out of memory)
release the latch
do what you want to do with the buffered block ***
get the latch for the chain xxx
remove the pin from the buffered block
release the latch
</ul>
The two points marked xxx are where you might end up sleeping in a wait for the "cache buffers chains latch". If too many people try to get the latch at the same time some of them will eventually fail and go to sleep for a short period.
The point marked *** is where you get the buffer busy wait. When you attach the pin to the buffered block it's possible that what you want to do to the bllock is incompatible with what other people are already doing - so you have to attach your pin to the "waiters" list (the people currently using the block will have their pins attached to the "users" list". Eventually your wait will time out, or the users will get out of the way and you can move your pin to the users list and do whatever it was you wanted to do.
Regards
Jonathan Lewis
http://jonathanlewis.wordpress.com
http://www.jlcomp.demon.co.uk
To post code, statspack/AWR report, execution plans or trace files, start and end the section with the tag {noformat}{noformat} (lowercase, curly brackets, no spaces) so that the text appears in fixed format.
"Science is more than a body of knowledge; it is a way of thinking"
Carl Sagan -
Difference between DB CPU and DB Time
Hi,
What is the difference between DB CPU and DB TIME in AWR report?
Br,
RajHi,
Thanks for your valuable reply.
1,DB CPU is time spent on CPU. It means only ACTIVELY working on CPU. WAIT TIME is not includeed.
In 10 Minute interval with four CPU, Is the Maximum DB CPU 40 Minutes?
2,I read the below document about DB time. http://www.perfvision.com/docs/JB_AAS.pdf
I unable to understand at page 6.
It says that DB Time = Includes CPU Time + IO Time + Wait Time
I understand about Wait time.
CPU also involved to do I/O Time? Is it RIGHT?.Hence, Why did seperate CPU Time and I/O time in the document?What is the purpose of it?
Is it possbile to further divided the CPU TIME ? Like parse etc.....Which view provide it?
3,If you had four sessions actively working or actively waiting 100% of the time in that 10 minute period, then your DB time would be 40 minutes.
In a given interval,Where can i find NON Idle wait time in AWR?
Plese help me out it
Br,
Raj -
Differences between "top 5 timed events" and "Top 5 Timed Foreground Events
Dear all,
i want to know what is the difference between "top 5 timed events" and "Top 5 Timed Foreground Events" in AWR reports
the meaning the same is?
thanks to all.chijar wrote:
Dear all,
i want to know what is the difference between "top 5 timed events" and "Top 5 Timed Foreground Events" in AWR reports
the meaning the same is?
thanks to all.what is the difference between foreground & background sessions? -
Ok so I believe I know the answer here but asking anyway.
What is the difference between the adobe creative cloud team license vs the adobe creative cloud enterprise license?
is the team licence basically individually licences products per account users?
and is the enterprise one license that covers multiple users at once?
Thanks and sorry for the question but had to verify.Hi tbirdbrent ,
Thank you for posting on the forums, the answer to your question is as follows.
1) Creative Cloud for teams brings together the very latest Creative Cloud desktop apps, updates and upgrades the moment they’re released, and all of the services and business features your team needs to create their best work and collaborate with their peers. Adobe offers two Creative Cloud for teams plans — you can opt for a complete plan (all apps and services) or a single-app plan such as Photoshop CC (access to one app and select services). With each option, you’ll receive access to the same easy-to-use web-based admin console that allows the administrator to centrally purchase, deploy, and manage all seats across your organization — whether single app or complete — under one membership agreement.
2) Creative Cloud for enterprise is for organizations with large deployments that require centralized provisioning and customized deployment of apps and services. Enterprises also receive enterprise customer support and expert services. Creative Cloud for enterprise also works with Digital Publishing Suite; Adobe Anywhere for video; and Adobe Marketing Cloud, which includes Adobe Experience Manager — all sold separately.
Also, the team licences is not individually licences products per account users and the same goes with the enterprise license.
Thanks,
Vikrantt Singh -
What is difference between sy-tabix and sy-index.
SAP Seniors,
Can you please let me know what is difference between sy-index and sy-tabix.
I read the SAP help, it is confusing for me. it looks like both are same from help. please help me.
Thank you
Anitha.HI,
Here is a brief description of difference between SY_TABIX and SY_INDEX and using them with several conditions.
SY-TABIX
Current line of an internal table. SY-TABIX is set by the statements below, but only for index tables. The field is either not set or is set to 0 for hashed tables.
APPEND sets SY-TABIX to the index of the last line of the table, that is, it contains the overall number of entries in the table.
COLLECT sets SY-TABIX to the index of the existing or inserted line in the table. If the table has the type HASHED TABLE, SY-TABIX is set to 0.
LOOP AT sets SY-TABIX to the index of the current line at the beginning of each loop lass. At the end of the loop, SY-TABIX is reset to the value that it had before entering the loop. It is set to 0 if the table has the type HASHED TABLE.
READ TABLE sets SY-TABIX to the index of the table line read. If you use a binary search, and the system does not find a line, SY-TABIX contains the total number of lines, or one more than the total number of lines. SY-INDEX is undefined if a linear search fails to return an entry.
SEARCH <itab> FOR sets SY-TABIX to the index of the table line in which the search string is found.
SY-INDEX
In a DO or WHILE loop, SY-INDEX contains the number of loop passes including the current pass.
Hope this helps.
Thank you,
Pavan. -
Difference between sy-tabix and sy-index?
tell me about sy-tabix and sy-index?what is the difference between sy-tabix and sy-index?
Moderator Message: Please search before posting. Read the [Forum Rules Of Engagement |https://wiki.sdn.sap.com/wiki/display/HOME/RulesofEngagement] for further details.
Edited by: Suhas Saha on Jun 18, 2011 5:33 PMHI,
Here is a brief description of difference between SY_TABIX and SY_INDEX and using them with several conditions.
SY-TABIX
Current line of an internal table. SY-TABIX is set by the statements below, but only for index tables. The field is either not set or is set to 0 for hashed tables.
APPEND sets SY-TABIX to the index of the last line of the table, that is, it contains the overall number of entries in the table.
COLLECT sets SY-TABIX to the index of the existing or inserted line in the table. If the table has the type HASHED TABLE, SY-TABIX is set to 0.
LOOP AT sets SY-TABIX to the index of the current line at the beginning of each loop lass. At the end of the loop, SY-TABIX is reset to the value that it had before entering the loop. It is set to 0 if the table has the type HASHED TABLE.
READ TABLE sets SY-TABIX to the index of the table line read. If you use a binary search, and the system does not find a line, SY-TABIX contains the total number of lines, or one more than the total number of lines. SY-INDEX is undefined if a linear search fails to return an entry.
SEARCH <itab> FOR sets SY-TABIX to the index of the table line in which the search string is found.
SY-INDEX
In a DO or WHILE loop, SY-INDEX contains the number of loop passes including the current pass.
Hope this helps.
Thank you,
Pavan. -
What is difference between sy-index and sy-tabix and where both are using ?
what is difference between sy-index and sy-tabix and where both are using ?
hi nagaraju
sy-tabix is in Internal table, current line index. So it can only be used while looping at the internal table.
sy-index is in Loops, number of current pass. This you can use in other loop statements also (like do-enddo loop, while-endwhile)
SY-INDEX is a counter for following loops: do...enddo, while..endwhile
SY-TABIX is a counter for LOOP...ENDLOOP, READ TABLE...
Here is an example from which you can understand the difference between sy-tabix and sy-index.
Itab is an internal table with the following data in it.
id Name
198 XYZ
475 ABC
545 PQR.
loop at itab where id > 300.
write :/ itab-id, itab-name , sy-tabix, sy-index.
endloop.
My output will be :
475 ABC 2 1
545 PQR 3 2
Sy-tabix is the index of the record in internal table.
sy-index gives the no of times of loop passes.
So, for the first record in the output (475 ABC), 2 is the index of the record in internal table and as it is first time loop pass occured, sy-index value is 1.
Regards,
navjot
award points -
Difference between sy-index & sy-tabix
Dear friends,
Please tell me the difference between sy-index & sy-tabix
Actually my problem is i don't know how to compare for example between first record'field n and second record'field n when u r in loop so i can take particular action based on result
on current recor
if possible send me sample code.
Regards;
Parag Gavkar.SY-TABIX:
Current line in an internal table. With the following statements SY-TABIX is set for index tables. With hashed tables, SY-TABIX is not filled or it is set to 0.
- APPEND sets SY-TABIX to the index of the last table row, that is the total number of entries in the target table.
- COLLECT sets SY-TABIX to the index of the existing or appended table row. With hashed tables, SY-TABIX is set to 0.
- LOOP AT sets SY-TABIX to the index of the current table row at the beginning of every loop pass. After leaving a loop, SY-TABIX is set to the value it had before entering the loop. With hashed tables, SY-TABIX is set to 0.
- READ TABLE sets SY-TABIX to the index of the table row read. If no row is found with binary search while reading, SY-TABIX contains the index of the next-highest row or the total number of rows +1. If no row is found with linear search while reading, SY-TABIX is undefined.
- SEARCH itab FOR sets SY-TABIX to the index of the table row, in which the search string was found.
SY-INDEX:
SY-INDEX contains the number of loop passes in DO and WHILE loops, including the current loop pass.
Regards,
Santosh
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