S.M.A.R.T status, performance, and disk I/O issues

Basically, this post is about performance issues, that seem to be related to the hard drive.
1 month ago, I started having problems with applications freezing for a dozen of seconds, then working back after the beachball cursor stopped spinning. During this time, I heard the hard drive accessing data very regulary, but not with a worrying sound, just normal noise of the heads moving.
I checked the S.M.A.R.T status in disk utility more than once, but everything seemed to be ok there.
Then I decides to make a full surface test using TechTool Pro 4 : It passed, without stops, spinning beachball, nothing.
Now I no longer have applications stopping, everything works fine, but I notice (heard) a large amount of I/O's that sounds abnormal to me, comparing to the way my machine worked before that.
I have 1GB RAM, so I don't think this is a memory/swap problem.
The questions are :
- How relevant is the S.M.A.R.T status displayed in Disk Utility, does a correct status indicated a clean disk ?
- What should I check to find why the hard drive is working so much for simple operations ?
Thanks to all

The SMART status is rather conservative: an "about to fail" is a certainty (the question being when?) whereas a "verified" simply means that the monitor hasn't seen anything...
* First check the Activity Monitor to see if effectively there is a lot of disk I/O taking place.
* Second, when did you last restart your machine? A spinning beach ball with a lot of disk I/O could simply mean teh creation of a swapfile...
* Lastly, how full is your HD? You need at least 5%-10% of free space on your disk for Tiger to be happy. What is even better is if that free space is as contiguous as possible. OSX does a tremedous job keeping fragmentation low for files (one does not need any software to defragment files), but does not look at free space and sometimes one ends up with lace: loads of tiny holes. There are quite few threads regarding fragmentation that will explain this much better than I can do...

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EXTREMELY SLOW XQUERY PERFORMANCE AND SLOW DOCUMENT INSERTS

EXTREMELY SLOW XQUERY PERFORMANCE AND SLOW DOCUMENT INSERTS.
Resolution History
12-JUN-07 15:01:17 GMT
### Complete Problem Description ###
A test file is being used to do inserts into a schemaless XML DB. The file is inserted and then links are made to 4
different collection folders under /public. The inserts are pretty slow (about
15 per second and the file is small)but the xquery doesn't even complete when
there are 500 documents to query against.
The same xquery has been tested on a competitors system and it has lightening fast performance there. I know it
should likewise be fast on Oracle, but I haven't been able to figure out what
is going on except that I suspect somehow a cartesian product is the result of
the query on Oracle.
### SQLXML, XQUERY, PL/SQL syntax used ###
Here is the key plsql code that calls the DBMS_XDB procedures:
CREATE OR REPLACE TYPE "XDB"."RESOURCEARRAY" AS VARRAY(500) OF VARCHAR2(256);
PROCEDURE AddOrReplaceResource(
resourceUri VARCHAR2,
resourceContents SYS.XMLTYPE,
public_collections in ResourceArray
) AS
b BOOLEAN;
privateResourceUri path_view.path%TYPE;
resource_exists EXCEPTION;
pragma exception_init(resource_exists,-31003);
BEGIN
/* Store the document in private folder */
privateResourceUri := GetPrivateResourceUri(resourceUri);
BEGIN
b := dbms_xdb.createResource(privateResourceUri, resourceContents);
EXCEPTION
WHEN resource_exists THEN
DELETE FROM resource_view WHERE equals_path(res, privateResourceUri)=1;
b := dbms_xdb.createResource(privateResourceUri, resourceContents);
END;
/* add a link in /public/<collection-name> for each collection passed in */
FOR i IN 1 .. public_collections.count LOOP
BEGIN
dbms_xdb.link(privateResourceUri,public_collections(i),resourceUri);
EXCEPTION
WHEN resource_exists THEN
dbms_xdb.deleteResource(concat(concat(public_collections(i),'/'),resourceUri));
dbms_xdb.link(privateResourceUri,public_collections(i),resourceUri);
END;
END LOOP;
COMMIT;
END;
FUNCTION GetPrivateResourceUri(
resourceUri VARCHAR2
) RETURN VARCHAR2 AS
BEGIN
return concat('/ems/docs/',REGEXP_SUBSTR(resourceUri,'[a-zA-z0-9.-]*$'));
END;
### Info for XML Querying ###
Here is the XQuery and a sample of the output follows:
declare namespace c2ns="urn:xmlns:NCC-C2IEDM";
for $cotEvent in collection("/public")/event
return
<cotEntity>
{$cotEvent}
{for $d in collection("/public")/c2ns:OpContextMembership[c2ns:Entity/c2ns:EntityIdentifier
/c2ns:EntityId=xs:string($cotEvent/@uid)]
return
$d
</cotEntity>
Sample output:
<cotEntity><event how="m-r" opex="o-" version="2" uid="XXX541113454" type="a-h-G-" stale="2007-03-05T15:36:26.000Z"
start="2007-03-
05T15:36:26.000Z" time="2007-03-05T15:36:26.000Z"><point ce="" le="" lat="5.19098483230079" lon="-5.333597827082126"
hae="0.0"/><de
tail><track course="26.0" speed="9.26"/></detail></event></cotEntity>

19-JUN-07 04:34:27 GMT
UPDATE
=======
Hi Arnold,
you wrote -
Please use Sun JDK 1.5 java to perform the test case.Right now I have -
$ which java
/usr/bin/java
$ java -version
java version "1.4.2"
gcj (GCC) 3.4.6 20060404 (Red Hat 3.4.6-3)
sorry as I told you before I am not very knowledgeable in Java. Can you tell me what setting
s I need to change to make use of Sun JDK 1.5. Please note I am testing on Linux
. Do I need to test this on a SUN box? Can it not be modify to run on Linux?
Thanks,
Rakesh
STATUS
=======
@CUS -- Waiting for requested information

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Deleting the .itl and rebuilding it will lose date added information. Playlists may be recovered if the .xml file is imported. A better way might have been to temporarily rename the .itl while iTunes is installed, then restore the original .itl after the fact.
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tt2

Nice to see 13" retina but it has only Intel HD Graphics 4000 and does not have NVIDIA GeForce GT 650M with 1GB of GDDR5 memory card. How it will affect the speed, performance and other things compared to 15" retina where NVIDIA GeForce card is available.

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Is there a BAPI that gives the status information (and possibly more) of a

Hi All,
We are using an external document image system where we scan and code vendor invoices. They are send to our SAP system via a BAPI.
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QUERY PERFORMANCE AND DATA LOADING PERFORMANCE ISSUES

WHAT ARE QUERY PERFORMANCE ISSUES WE NEED TO TAKE CARE PLEASE EXPLAIN AND LET ME KNOW T CODES...PLZ URGENT
WHAT ARE DATALOADING PERFORMANCE ISSUES WE NEED TO TAKE CARE PLEASE EXPLAIN AND LET ME KNOW T CODES PLZ URGENT
WILL REWARD FULL POINT S
REGARDS
GURU

BW Back end
Some Tips -
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9). Building secondary indexes on the tables for the selection fields optimizes these tables for reading, reducing extraction time. If your selection fields are not key fields on the table, primary indexes are not much of a help when accessing data. In this case it is better to create secondary indexes with selection fields on the associated table using ABAP Dictionary to improve better selection performance.
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Hope it Helps
Chetan
@CP..

Application Web Service Control Manager detected AWEBSVC is not responding to HTTP requests. The http status code and text is 400, Bad Request.

Hi All,
I am seeing the following error for SMS_AWEBSVC_CONTROL_MANAGER component with Message ID: 8100
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awebsctl.log file has below errors:
Call to HttpSendRequestSync failed for port 80 with status code 400, text: Bad Request
SMS_AWEBSVC_CONTROL_MANAGER 12/22/2014 3:37:55 PM
13920 (0x3660)
AWEBSVCs http check returned hr=0, bFailed=1
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13920 (0x3660)
AWEBSVC's previous status was 1 (0 = Online, 1 = Failed, 4 = Undefined)
SMS_AWEBSVC_CONTROL_MANAGER 12/22/2014 3:37:55 PM
13920 (0x3660)
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SMS_AWEBSVC_CONTROL_MANAGER 12/22/2014 3:37:55 PM
13920 (0x3660)
Management point and Application Catalog Website Point are installed on the same Server where I am seeing the error for Application Catalog Web Service Point role. Management Point and Application Catalog Website Point are functioning properly. Application
Catalog Website is working.
Thanks & Regards, Kedar

Hi Jason,
Application Catalog Web Service Point and Application Catalog Website Point; both are installed as per below configuration on same Server:
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Port Number: 80
with default value for Web Application Name configured.
For SMS_AWEBSVC_CONTROL_MANAGER component, I am getting below error in Component Status:
Application Web Service Control Manager detected AWEBSVC is not responding to HTTP requests. The http status code and text is 400, Bad Request.
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Solution: Verify that the designated Web Site is configured to use the same ports which AWEBSVC is configured to use.
Possible cause: The designated Web Site is disabled in IIS.
Solution: Verify that the designated Web Site is enabled, and functioning properly.
For more information, refer to Microsoft Knowledge Base.
And awebsctl.log has the below error lines:
Call to HttpSendRequestSync failed for port 80 with status code 400, text: Bad Request
SMS_AWEBSVC_CONTROL_MANAGER
12/23/2014 11:04:36 AM 16388 (0x4004)
AWEBSVCs http check returned hr=0, bFailed=1
SMS_AWEBSVC_CONTROL_MANAGER
12/23/2014 11:04:36 AM 16388 (0x4004)
AWEBSVC's previous status was 1 (0 = Online, 1 = Failed, 4 = Undefined)
SMS_AWEBSVC_CONTROL_MANAGER
12/23/2014 11:04:36 AM 16388 (0x4004)
Health check request failed, status code is 400, 'Bad Request'.
SMS_AWEBSVC_CONTROL_MANAGER
12/23/2014 11:04:36 AM 16388 (0x4004)
STATMSG: ID=8100
What should I check from IIS side?
Application Catalog Website is functioning properly.
Thanks & regards,
Kedar
Thanks & Regards, Kedar

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I need a clarification : Can I use EJBs instead of helper classes for better performance and less network traffic?

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2) for less network traffic
3) for better container resource utilization
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Please give detailed explanation.
thank you,
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Please suggest me which method (is Helper classes or Using EJBs) is perferable :
1) to get better performance
EJB's have quite a lot of overhead associated with them to support transactions and remoteability. A non-EJB helper class will almost always outperform an EJB. Often considerably. If you plan on making your 70 helper classes EJB's you should expect to see a dramatic decrease in maximum throughput.
2) for less network traffic
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3) for better container resource utilization
Again, the EJB version will consume a lot more container resources.

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Some general comments, and reading (some for PPro, but concepts are the same)
http://forums.adobe.com/thread/416679
Some specific information that is needed...
Brand/Model Computer (or Brand/Model Motherboard if self-built)
How much system memory you have installed, such as 2Gig or ???
Operating System version, such as Win7 64bit Pro... or whatevevr
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Your Firewall settings and brand of anti-virus are you running
Brand/Model graphics card, sush as ATI "xxxx" or nVidia "xxxx"
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Brand/Model sound card, or sound "chip" name on Motherboard
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Size(s) and configuration of your hard drive(s)... example below
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2 - 320G WD Win7 swap file and video projects
3 - 1T WD all video files... read and write
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Some/Much of the above are available by going to the Windows
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Plus Video-Specific Information http://forums.adobe.com/thread/459220?tstart=0
And, finally, the EXACT type and size of file that is causing you problems
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Read Bill Hunt on a file type as WRAPPER http://forums.adobe.com/thread/440037?tstart=0
What is a CODEC... a Primer http://forums.adobe.com/thread/546811?tstart=0
What CODEC is INSIDE that file? http://forums.adobe.com/thread/440037?tstart=0
For PC http://www.headbands.com/gspot/ or http://mediainfo.sourceforge.net/en
This is aimed at Premiere Pro, but may help
Work through all of the steps (ideas) listed at http://forums.adobe.com/thread/459220?tstart=0
If your problem isn't fixed after you follow all of the steps, report back with ALL OF THE DETAILS asked for in the FINALLY section at the troubleshooting link
Also, tuning Win7
http://www.pcworld.com/businesscenter/article/220753/windows_7_godmode_tips_tricks_tweaks. html
Temp/Cookie Cleaner http://www.mixesoft.com/
http://forums.adobe.com/thread/789809?tstart=0
Win7 Toolbar http://WindowsSecrets.com/comp/110210
More Win7 Tips http://windowssecrets.com/comp/110127
Utilities http://windowssecrets.com/comp/110106 (Startup Solutions)
Win7 Help http://social.technet.microsoft.com/Forums/en-US/category/w7itpro/
Win7 Configuration Article http://windowssecrets.com:80/comp/100218
Win7 Monitor http://windowssecrets.com:80/comp/100304
Win7 Optimizing http://www.blackviper.com/Windows_7/servicecfg.htm
Win7 Virtual XP http://www.microsoft.com/windows/virtual-pc/
More on Virtual XP http://blogs.zdnet.com/microsoft/?p=5607&tag=col1;post-5607
Win7 Adobe Notes http://kb2.adobe.com/cps/508/cpsid_50853.html#tech
Win7 Adobe Update Server Problem http://forums.adobe.com/thread/586346?tstart=0
An Adobe Win7 FAQ http://forums.adobe.com/thread/511916?tstart=0
More Win7 Tips/FAQ http://forums.adobe.com/thread/513640?tstart=0
Processes http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx
Compatibility http://www.microsoft.com/windows/compatibility/windows-7/en-us/Default.aspx
Win7 God Mode http://forums.adobe.com/thread/595255?tstart=0
CS5 Install Error http://forums.adobe.com/thread/629281?tstart=0
CS5 Help Problem http://kb2.adobe.com/cps/842/cpsid_84215.html
Win7 and Firewire http://forums.adobe.com/thread/521842?tstart=0
http://lifehacker.com/5634978/top-10-things-to-do-with-a-new-windows-7-system
http://www.downloadsquad.com/2009/05/29/7-free-windows-7-tweaking-utilities/
Win7 64bit Crashing and "a" fix http://forums.adobe.com/thread/580435?tstart=0
http://prodesigntools.com/if-any-problems-downloading-or-installing-cs5.html
Harm's Tools http://forums.adobe.com/thread/504907
Also http://www.tune-up.com/products/tuneup-utilities/
Also http://personal.inet.fi/business/toniarts/ecleane.htm

BEA / Wily: Financial Webinar - Achieving Availability, Performance and Control of Java Applications in Financial Services

Event Date: October 1, 2002 at 11:00 AM Pacific (US), 02:00 PM Eastern (US)
To register: http://regsvc.placeware.com/?wily-bea1001
Title: Achieving Availability, Performance and Control of Java Applications
in Financial Services
Abstract:
In today's competitive environment, financial institutions must focus on
three key business goals:
a.. Creating a customer-centric enterprise to maximize value to customers
and increase share of wallet
b.. Improving transactional efficiency for rapid delivery of the right
products, services and information to customers and to employees
c.. Accelerating the decision making process to mitigate risk and improve
returns.
BEA and Wily Technology have helped a number of financial services firms
meet these objectives by delivering high-performance business solutions that
meet rigorous demands for performance, reliability and scalability.
On October 1, 2002, Wily Technology and BEA will present a joint Web seminar
titled "Achieving Availability, Performance and Control of Java Applications
in Financial Services" with Eric Gudgion, Principal System Architect,
Technical Solutions Group at BEA and Chris Farrell, Director of Technical
Marketing at Wily. This Webinar will showcase the many advantages that the
WebLogic® Enterprise PlatformT and Wily's Introscope® offer financial
services firms.
Attendees will learn how WebLogic Server, BEA's unified, simplified and
extensible solution, provides a robust platform for the development and
deployment of enterprise Java applications. Some examples of what financial
institutions can achieve with BEA include Multi-channel Services Delivery,
Straight-Through Processing, Wealth Management and Cash Management.
Wily Technology will highlight Introscope's ability to manage financial
services Java applications by pinpointing component-level performance issues
in real-time, whether in the application, application server or
Java-connected back-end systems. Wily's suite of Java application management
solutions offers a comprehensive platform for achieving 24x7 application
availability, enhanced performance and better control of IT resources.

First of all you should check out which products are supported on 64bit :- http://www.oracle.com/technology/products/bi/hyperion-supported-platforms.html
If you are planning on using windows 64bit EAS then you will have to manually deploy the web application, it cannot be automatically deployed.
Cheers
John
http://john-goodwin.blogspot.com/

OWB 10gR2 map returning status = Complete and Result = Null in Process Flow

Hi,
I have an OWB process flow which invokes an OWB map. There are 2 outgoing transitions attached to the OWB map. 1st transition is a conditinal one (on SUCCESS) and the 2nd one is unconditional transition.
I am monitoring the status of process flow execution in Oracle Workflow monitor. After the process flow is initiated, sometimes the OWB map within shows status = complete and result = OK in workflow monitor (in tab - status). But sometimes it shows status = Complete and Result = Null. In this situation the execution is following the unconditional transition path.
Can anyone tell me what causes the OWB map to return a Result = NULL? Also sometimes I am getting the map returning a Result = Force (with the same status = Complete).
The configuration that I am working with is as below ---
OWB client version : 10.2.0.1.31
OWB repository version : 10.2.0.1.0
Oracle Workflow Version : 2.6.4.0.0
Database version : 10g Enterprise edition release 10.2.0.1.0
Regards,
Swagata

Hi Manohar,
1. You need to install Oracle HTTP server in a separate Oracle home.
2.Look for the dads.conf file in the installation. Edit the file, copy the sample code and paste it below and edit the pasted part as under ----
<Location /pls/<SID>>
SetHandler pls_handler
Order deny,allow
Allow from all
AllowOverride None
PlsqlDatabaseConnectString <server name>:<port>:<SID >
PlsqlAuthenticationMode Basic
PlsqlDefaultPage wfa_html.home
PlsqlNLSLanguage "AMERICAN_AMERICA.WE8ISO8859P1"
</Location>
3. STOP and START OPMN (Oracle Process Manager & Notification Server)
4. Use the URL in your internet browser like --- <HTTP server URL>/pls/<SID>/wfa_html.home
5. When prompted for user id and password, give the schema user id and password where the workflow engine is installed.
Hope this helps,
Swagata

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