Performance drop after CPU upgrade.

Hias,
I got a new CPU.
I expected some performace gain icw the old one.
However...it is a lot slower
I went from 64.000 to 47.000 in aquamark. Didn't record the values axeactly, but it seems like the CPU part is the one that is lagging behand.
I did need to reinstall and upgrade vid.card drivers and sound card drivers and CPU drivers.
Any1 have a clue the cause of this.

Sorry, should have it a bit more clear:
http://valid.x86-secret.com/show_oc?id=44047 <-old CPU (3200+ Winnie)
http://valid.x86-secret.com/show_oc?id=68314 <-new CPU (Opeteron 148)
I upgraded bios from 3.3 to 9.2.
I didn't change any other HW, As u can see (follow the links) memory settings are about the same.

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SQL performance drops after 20 mins

Hello,
I am using Oracle Version 9.2.0.5
I have an SQL query that starts off fast but the performance drops after running for 20 mins. It continues to drop till a point where it becomes painfully slow.
The query is as attached below:
SELECT      /*+ INDEX (abe ASR_I_BID_PRD_TOD_5FAX)
INDEX (aae ASR_I_AE_RC_BR)
INDEX (ab ASR_UK_BASES)
INDEX (aaac ASR_I_AFAC_SP)
+*/aae.f8_code
||','||     aae.sector
||','||     aae.ouc
||','||     aae.rule_type
||','||     aae.base_ref
||','||     aae.prodlist_ref
||','|| aaac.L101
||','|| aaac.L201
||','|| aaac.L301
||','|| aaac.L401
||','|| aaac.L501
||','|| aaac.L601
||','|| aaac.L701
||','|| aaac.L801
||','|| aaac.L802
||','|| aaac.L830
||','|| aaac.L850
||','|| aaac.L870
||','|| aaac.L901
||','|| aaac.L1001
||','||     LTRIM(TO_CHAR((aae.disaggregated_amount*abe.percentage*aaac.chain_perc)/10000,'999999999999999.99'))
FROM asr_owner.asr_account_entries aae
, asr_owner.asr_base_elements_5fax abe
, asr_ff_audit_chains aaac
, asr_owner.asr_bases ab
WHERE aae.run_code = '5fax'
AND ab.run_code = aae.run_code
AND ab.base_type = aaac.base_type
AND ab.base_id = abe.base_id
AND ab.base_ref = aae.base_ref
AND aaac.base_type = 'L'
AND aaac.business <> 'R'
AND aae.trans_type IN ('A','C','D')
AND abe.base_id = aae.base_id
AND 100*(abe.exhaust_level)+abe.exhaust_sub_level = 101
AND aaac.start_prod = abe.product
AND ABS((aae.disaggregated_amount*abe.percentage*aaac.chain_perc)/10000) >= 0.01
It has huge number of records. I have checked all join conditions and they are all fine.
asr_owner.asr_account_entries - 3.6 millions rows
asr_owner.asr_base_elements_5fax - 1.8 million rows
asr_ff_audit_chains - 5.8 million rows
asr_owner.asr_bases - 0.5 million rows
The autotrace and plan are as follows
Statistics
0 recursive calls
0 db block gets
5264 consistent gets
3522 physical reads
0 redo size
525 bytes sent via SQL*Net to client
456 bytes received via SQL*Net from client
1 SQL*Net roundtrips to/from client
5 sorts (memory)
0 sorts (disk)
0 rows processed
PLAN_TABLE_OUTPUT
| Id | Operation | Name | Rows | Bytes | Cost |
| 0 | SELECT STATEMENT | | 83 | 13529 | 12465 |
| 1 | TABLE ACCESS BY INDEX ROWID | ASR_FF_AUDIT_CHAINS | 83 | 6225 | 617 |
| 2 | NESTED LOOPS | | 83 | 13529 | 12465 |
| 3 | NESTED LOOPS | | 1 | 88 | 11848 |
| 4 | NESTED LOOPS | | 2201 | 113K| 3044 |
| 5 | TABLE ACCESS BY INDEX ROWID| ASR_BASES | 774 | 13158 | 722 |
| 6 | INDEX FULL SCAN | ASR_UK_BASES | 104K| | 104 |
| 7 | TABLE ACCESS BY INDEX ROWID| ASR_ACCOUNT_ENTRIES | 3 | 108 | 3 |
| 8 | INDEX RANGE SCAN | ASR_I_AE_RC_BR | 8 | | 1 |
| 9 | TABLE ACCESS BY INDEX ROWID | ASR_BASE_ELEMENTS_5FAX | 1 | 35 | 4 |
| 10 | INDEX RANGE SCAN | ASR_I_BID_PRD_TOD_5FAX | 1 | | 3 |
| 11 | INDEX RANGE SCAN | ASR_I_AFAC_SP | 8241 | | 9 |
Note: cpu costing is off, PLAN_TABLE' is old version
19 rows selected.
I have also tried without the hints and the plan looks like
| Id | Operation | Name | Rows | Bytes | Cost |
| 0 | SELECT STATEMENT | | 83 | 13529 | 679 |
| 1 | TABLE ACCESS BY INDEX ROWID| ASR_FF_AUDIT_CHAINS | 83 | 6225 | 617 |
| 2 | NESTED LOOPS | | 83 | 13529 | 679 |
| 3 | HASH JOIN | | 1 | 88 | 370 |
| 4 | HASH JOIN | | 2201 | 113K| 208 |
| 5 | TABLE ACCESS FULL | ASR_BASES | 774 | 13158 | 16 |
| 6 | TABLE ACCESS FULL | ASR_ACCOUNT_ENTRIES | 12125 | 426K| 191 |
| 7 | TABLE ACCESS FULL | ASR_BASE_ELEMENTS_5FAX | 18325 | 626K| 161 |
| 8 | INDEX RANGE SCAN | ASR_I_AFAC_SP | 8241 | | 9 |
Note: cpu costing is off, PLAN_TABLE' is old version
16 rows selected.
I have tried increasing the hash_area_size parameter to 20MB (it is currently 10MB).
I have tried setting the tuning parameters like optimizer_index_cost_adj but to no success.
Could you please help.

Thanks a lot for all the help.
Here is another query that is running quite slow. Any help on this might be helpful
EXPLAIN PLAN SET statement_id = 'auditextract' FOR
SELECT /*+NO_INDEX(aaac)
       NO_INDEX(aae)
       NO_INDEX(abe)
       NO_INDEX(ab)
       NO_INDEX(agp)+*/
     aae.run_code
,     aae.f8_code
,     aae.sector
,     aae.ouc
,     aae.rule_type
,     aae.base_ref
,     aae.prodlist_ref
,     aae.trans_type
,     aaac.base_type
,DECODE(NVL(aaac.exhaust_chain,'NULL'),'NULL',',',NULL)||aaac.exhaust_chain||
DECODE(NVL(aaac.exhaust_chain,'NULL'),'NULL',NULL,',')||LTRIM(RTRIM(aaac.final_prod))||
            RPAD(',',14-DECODE(aaac.final_level,1001,14,901,13,870,12,850,11,830,10,802,9,801,8,701,7,601,6,501,5,401,4,301,3,201,2,101,1),',') exhaust_chain,
     aaac.final_level     ,
     aaac.business ,
     L101,
     L101_TOD,
     L201,
     L201_TOD,
     L301,
     L301_TOD,
     L401,
     L401_TOD,
     L501,
     L501_TOD,
     L601,
     L601_TOD,
     L701,
     L701_TOD,
     L801,
     L801_TOD,
     L802,
     L802_TOD,
     L830,
     L830_TOD,
     L850,
     L850_TOD,
     L870,
     L870_TOD,
     L901,
     L901_TOD,
     L1001,
     L1001_TOD,
     (aae.disaggregated_amount*abe.percentage*aaac.chain_perc)/10000 money
FROM   asr_owner.asr_account_entries aae
,      asr_owner.asr_base_elements_5fax abe
,      asr_owner.asr_bases ab
,      ASR_FF_AUDIT_CHAINS aaac
WHERE aae.run_code    = '5fax'
AND    ab.run_code = aae.run_code
AND    abe.run_code = ab.run_code
AND    ab.base_type = aaac.base_type
AND    ab.base_id = abe.base_id
AND    aaac.base_type = 'L'
AND    aaac.business = 'R'
AND    ab.base_ref = aae.base_ref
AND    aae.trans_type IN ('A','C','D','G','J')
AND    abe.base_id     = aae.base_id
AND    abe.exhaust_level = 1
AND    abe.exhaust_sub_level = 1
AND    aaac.start_prod = abe.product
AND    NOT EXISTS (SELECT 1
                    FROM asr_group_prods agp
                    WHERE agp.product_group IN ('SW500','SR500','G176')
                    AND (aaac.L101 = agp.product OR
                              aaac.L201 = agp.product OR
                                 aaac.L301 = agp.product OR
                                 aaac.L401 = agp.product OR
                                 aaac.L501 = agp.product OR
                                 aaac.L601 = agp.product OR
                                 aaac.L701 = agp.product OR
                                 aaac.L801 = agp.product OR
                                 aaac.L802 = agp.product OR
                                 aaac.L830 = agp.product OR
                                 aaac.L850 = agp.product OR
                                 aaac.L870 = agp.product OR
                                 aaac.L901 = agp.product OR
                                 aaac.L1001 = agp.product))
AND    abs((aae.disaggregated_amount*abe.percentage*aaac.chain_perc)) >= 100
PLAN_TABLE_OUTPUT
| Id | Operation             | Name                   | Rows | Bytes | Cost |
|   0 | SELECT STATEMENT      |                         |   571 |   112K| 5586 |
|* 1 | FILTER               |                         |       |       |       |
|* 2 |   HASH JOIN           |                         |   571 |   112K| 5586 |
|* 3 |    HASH JOIN          |                         |    53 | 5406 |   370 |
|* 4 |     HASH JOIN         |                         | 2974 |   177K|   178 |
|* 5 |      TABLE ACCESS FULL| ASR_BASES               |   770 | 15400 |    16 |
|* 6 |      TABLE ACCESS FULL| ASR_BASE_ELEMENTS_5FAX | 26178 | 1048K|   161 |
|* 7 |     TABLE ACCESS FULL | ASR_ACCOUNT_ENTRIES     | 17739 |   710K|   191 |
|* 8 |    TABLE ACCESS FULL | ASR_FF_AUDIT_CHAINS     |   126K|    12M| 5215 |
|* 9 |   TABLE ACCESS FULL   | ASR_GROUP_PRODS         |     1 |    10 |     2 |
Predicate Information (identified by operation id):
   1 - filter( NOT EXISTS (SELECT /*+ */ 0 FROM "ASR_GROUP_PRODS" "AGP" WHERE
              ("AGP"."PRODUCT_GROUP"='G176' OR "AGP"."PRODUCT_GROUP"='SR500' OR
              "AGP"."PRODUCT_GROUP"='SW500') AND ("AGP"."PRODUCT"=:B1 OR "AGP"."PRODUCT"=:B2
              OR "AGP"."PRODUCT"=:B3 OR "AGP"."PRODUCT"=:B4 OR "AGP"."PRODUCT"=:B5 OR
              "AGP"."PRODUCT"=:B6 OR "AGP"."PRODUCT"=:B7 OR "AGP"."PRODUCT"=:B8 OR
              "AGP"."PRODUCT"=:B9 OR "AGP"."PRODUCT"=:B10 OR "AGP"."PRODUCT"=:B11 OR
              "AGP"."PRODUCT"=:B12 OR "AGP"."PRODUCT"=:B13 OR "AGP"."PRODUCT"=:B14)))
   2 - access("SYS_ALIAS_14"."START_PROD"="ABE"."PRODUCT")
       filter(ABS("AAE"."DISAGGREGATED_AMOUNT"*"ABE"."PERCENTAGE"*"SYS_ALIAS_14".
              "CHAIN_PERC")>=100)
   3 - access("AB"."BASE_REF"="AAE"."BASE_REF" AND
              "ABE"."BASE_ID"="AAE"."BASE_ID")
   4 - access("AB"."BASE_ID"="ABE"."BASE_ID")
   5 - filter("AB"."RUN_CODE"='5fax' AND "AB"."BASE_TYPE"='L')
   6 - filter("ABE"."RUN_CODE"='5fax' AND "ABE"."EXHAUST_LEVEL"=1 AND
              "ABE"."EXHAUST_SUB_LEVEL"=1)
   7 - filter("AAE"."RUN_CODE"='5fax' AND ("AAE"."TRANS_TYPE"='A' OR
              "AAE"."TRANS_TYPE"='C' OR "AAE"."TRANS_TYPE"='D' OR "AAE"."TRANS_TYPE"='G' OR
              "AAE"."TRANS_TYPE"='J'))
   8 - filter("SYS_ALIAS_14"."BASE_TYPE"='L' AND "SYS_ALIAS_14"."BUSINESS"='R')
   9 - filter(("AGP"."PRODUCT_GROUP"='G176' OR "AGP"."PRODUCT_GROUP"='SR500' OR
              "AGP"."PRODUCT_GROUP"='SW500') AND ("AGP"."PRODUCT"=:B1 OR "AGP"."PRODUCT"=:B2
              OR "AGP"."PRODUCT"=:B3 OR "AGP"."PRODUCT"=:B4 OR "AGP"."PRODUCT"=:B5 OR
              "AGP"."PRODUCT"=:B6 OR "AGP"."PRODUCT"=:B7 OR "AGP"."PRODUCT"=:B8 OR
              "AGP"."PRODUCT"=:B9 OR "AGP"."PRODUCT"=:B10 OR "AGP"."PRODUCT"=:B11 OR
              "AGP"."PRODUCT"=:B12 OR "AGP"."PRODUCT"=:B13 OR "AGP"."PRODUCT"=:B14))
Note: cpu costing is off
47 rows selected.

Performance Issues after an Upgrade

Hello!
We are experiencing performance issues after we upgraded to a new version of Hyperion (11.1.2.1). At this point, I am not too sure about the actual causes for this degrade in performance but I am trying to narrow down the causes and need your inputs. Please help me with your ideas.
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Hakan and Team ,
We recently moved from PT 8.48 TO PT8.51.18 on CRM 8.8 Application.
After the upgrade, we tremendously saw big performance issues with PeopleSoft CRM Application. It freezes almost every day and all their work-force (call center representatives) go idle. It significantly impacts their productivity and eventually losing revenue.
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Dear colleagues,
Is any posilble check or test (benchmark) of DB performance before and after CPU patching?
Any testing SAP or SQL report, which makes a load on DB?
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Best Regards
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> Is any posilble check or test (benchmark) of DB performance before and after CPU patching?
> Any testing SAP or SQL report, which makes a load on DB?
Those test would be synthetic and may or may not reflect your current environment.
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I have a very strange problem... hope you can help!
I wanted to upgrade my Mac Mini to use it as an HTPC, so I passed from 1.83Ghz CoreDuo/512Mb to 2.00Ghz Core2Duo/2Gb.
The CPU and RAM upgrade process went OK, so I tried to connect the Mini to my HDTV (TOSHIBA 37A3030D) via a DVI->HDMI cable, but the screen was blank.
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I tried to connect the mini to the TV just after the upgrade. After some tweaking with SwitchResX it worked. The problems began when i decided to re-open the mini to put some better termal compound over the CPU.
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user4566776 wrote:
Hello,
In one of our Production databases the Performance of Jobs suddenly drops after Database restart.
I suspect the SQL execution plan for 1 or few SQL's in the JOB changes after restart.Why suspect it when you can prove/disprove it? It would be very simple. Take an explain plan on your targeted queries when they are running good. Bounce the database and take another explain plan immediately after it comes up.
>
What all factors can cause an SQL Execution plan to change ?
How do I determine the cause ? [any trace or dumping thru ORADEBUG. will it help ?
Thanks in advance for yur help.
Regards,
Valli
That being said, I strongly suspect what you are seeing is the result of the buffer cache being empty when the database first starts. Thus, for a while after restart, all queries will result in physical reads, whereas once you get a 'normal' working set in the buffer cache, a good percentage of reads will be logical instead of physical.

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I upgraded my processor to a XP1700+ In an Msi K7T266 Pro2 Mb It had the older Athlon 1 Gig CPU. After I installed it all I would get is 3 lights on the D bracket and no monitor or post. I have already updated the BIOS before the CPU upgrade. I have an Antec 430 true power PSU, cleared CMOS, doublechecked Heatsink and all connections still wont post (not even a beep code) Installed old CPU and Viola it booted fine has anybody ran into this? Another post said something about a modification needed on this board to support the newer 0.13 micron CPU,s but the post never reached a conclusion if so is there a way around this?
Thank you in advance for your help.............

Go bare bones.
1) Disconnect everything. IDE cables, FDD cable, take out all PCI cards, only leave videcard :P .
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Satellite M40x will not boot up after CPU upgrade test

I have an M40x Laptop. I took the CPU out of it to replace it with another to test the computer booted up fine so I shut down and took it out and put it's original CPU back in, and it would not boot. Now it will not boot up at all with either of the CPU's all. When I turn on the power all I get is a white screen for a few seconds and the laptop shuts itself back down. Both the CPU's are good because I have since tested them in other computers to make sure that was not the problem.
Anyone have any ideas on what is causing this??

Im not surprised.
As far as I know Toshiba does not support any CPU upgrades and it's not advisable to do something like that.
Its a fact that the CPU replacement on the notebooks is not easy and mostly not recommended.
The processors used in portables are connected to the system board using a process called TCP (Tape Carrier Package). This is a permanent connection method and is used in the interests of miniaturization and heat dissipation.
Did you assign the new heat paste? Its necessary and important if you want to connect the CPU again.
So possibly this is a reason for the no booting.
I think more details you will get from the service guys in your country

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ask your DBA to analyze the schema (gather statistics) for the concerned schema. This should eliminate one possibility
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http://www.infocaptor.com

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The graphics card is soldered on so no replacement. I would do a wipe and reload of the OS and stop overclocking laptop video cards. They are too sensitive to heat and other issues. You are asking for trouble, and may have already found it. At a minimum run DriverCleaner and remove the video driver until you get back to a low-res screen generic vga hardware and then reinstall the best driver you can find.

Performance drop after CPU upgrade.

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