Are multiple extents of db objects harmful or efeects the performance??????

Why we keep tablespaces like TAB_BIG,TAB_SMALL
Whats the idea.?is it like we keep the larger extent for TAB_BIG n small for TAB_SMALL.
If we keep the large objects in TS with small extent size wil it effect the performance?If yes How????
or
Does single extent object performs better than multiple extent object?????Why
Thanks
Gagan

There is an old, eventhough interesting discussion on AskTom site : Number of Extents which explain that the number of extents has no effect on performance (unless you have more than million...).
Nicolas.

Similar Messages

There are multiple copies of episodes of my podcast in the iTunes store. How do I rectify this?

My Podcast is HappyFacePodcast. When you subscribe and download the podcast only the correct number of episodes appear. But when you search for us in the store there are several copies of many episodes. I realise this isn't such a major issue. But does anyone have any advice on rectifying ths?

I don't think there's anything you can do about this. The feed appears to be OK, and the five episodes in it appear correctly on your Store page and when subscribing.
There is a mention of your having had technical difficulties - did you remove some episodes and then reinstate them? - that could be an explanation as the search results may have cached the removed ones and are still showing them: whatever the cause it's something within the Store itself and not to do with your feed.
You could try asking Support, but to be perfectly honest I think you'd be wasting your time - you aren't the least likely to get a result out of them on this. If you want to try anyway, go to http://www.apple.com/support/itunes/ - click on 'Other iTunes Store Features' in the list and then on 'Podcasts'. You will see a link to either 'Express Lane', which will guide you eventually to some contact options, or you may see a link to email them.

ISO DVD w/ multiple extents on Solaris sparc 9

I've created a ISO DVD, (mode 1, 8.3 names, etc..) that contains several files, one of which has multiple extents. This disc does not have rock ridge info on it. This disc mounts and reads fine on linux and on WinXP, but on Solaris Sparc 9 the file that has multiple extents does not read, and something as simple as an "ls" gives an error. All other files on the disc are readable. My question is; does Solaris 9 for SPARC have a known issue reading ISO DVDs containing files with multiple extents?

Hi Vishnu,
Did you get the answer for your question, can you share it with me
Regards

Howe can I tell when there are no references to an object?

Hi all,
Is there any way for me to know when there are no references to an object without using finalize()?
I want to pool created objects when it is safe to do so.
finalize() won't work since it is called only once for every object instance.
Regards,
Marcus

If you are trying to establish an object pool by placing the objects back in the pool when there are no references to the object, then I am afraid you are out of luck.
If there were no references, then you would not have a "handle" on the object to be able to manipulate it in any way (like putting it back in the pool).
If you are talking about something else, then the classes in java.lang.ref.*, might be of use.
If you are really trying to pool objects, then you should have some sort of "close" method in the objects that is called when they are no longer needed and can be returned to the pool.

Make the relationship in between multiple table storage's tables will affect the performance

Hi,
i'm going to develop business application,the product ID needs to be generic one and it should automatically generate the unique id(like identity in sql ) but,it has to be generate in formatted way
for example the ID would be "cityCode+areaCode+uniqueNumber" . here, cityCode and areaCode are going to maintain in separate table. while generate the product id, going to find the cityCode table and AreaCode table the generate unique
number by merge all the respective information.
1) while doing all this will affect the performance Azure table storage performance and web application ?
2) making multiple relationship among multi-Table Storage will decrease the performance ?.

Hello,
When you say tables, are referring to Azure Storage Tables or Relational Databases?
Please note Windows Azure tables do not function in the same manner as tables in a relational database since they do not make use of relationships or have schemas.
And if you are referring to relational databases, the latency in performance would depend on the logic used to generate the unique ID.
You should be able to use the logic in an On-Prem SQL database and check for the latency.
Regards,
Malar.

Exchange 2007 Management shell issue: "There are multiple objects matching the identity "servername" Please specify a unique value"

I thought this would be an easy answer to an issue I'm facing, but there's a problem executing the solution.
I'm running Exchange 2007 in a clustered SCC configuration. The clustered resource is called "DENBURYMAIL." I want to give my account full mailbox access rights to all the mailboxes in this resource/database.
I believe I found the solution to this at
http://technet.microsoft.com/en-us/library/bb310792%28EXCHG.80%29.aspx (about halfway down the page) the instructions read as follows:
==============================
Q: I have a third-party messaging application that requires full access to each user's mailbox. With Exchange Server 5.5, we grant a special account the Service Account Admin permissions, and then tell the application to use this account. How
can I achieve similar functionality in Exchange 2007?
A: Exchange 2007 security works differently from that of Exchange Server 5.5. In fact, Exchange 2007 does not use a site service account. Instead, all services start as the local computer account.
If your logon account is the Administrator account, a member of the root Domain Administrators, a member of the Enterprise Administrators groups, or a member of the Exchange Organization Administrators role, you are explicitly denied access to all mailboxes
that are not your mailbox, even if you have full administrative rights over the Exchange system. All Exchange 2007 administrative tasks can be performed without having to grant an administrator sufficient rights to read other people's mail.
You can achieve the results that you want in the following ways, but do so only in accordance with your organization's security and privacy policies:
In the Exchange Management Shell, use the following command to allow access to all mailboxes on a given mailbox store:
Add-ADPermission -identity "mailbox database" -user "serviceaccount" -ExtendedRights Receive-As
=============================
But when I run the command (Add-ADPermission -identity "denburymail" -user "matthew.fazio" -ExtendedRights Receive-As) I get an error telling me that "There are multiple objects matching the identity "DENBURYMAIL." Please Specify a unique value."
I'm not sure what's causing this-- why are there "multiple objects?" Is this a problem due to operating in a clustered environment?
Any assistance would be appreciated!

It may not be specific enough for the command to understand you.
Try this:
Get-MailboxDatabase -Server <servername> | Add-ADPermission -user "matthew.fazio" -ExtendedRights Receive-As

Having trouble with multiple rotations around an objects poles

Hey all, i am new to java 3d (only started coding today) but i have been coding in Java for a while..
I am having a problem understanding how to perform the rotations i want to. I have read the majority of the literature i can find on performing these kinds of rotations. I realise that i need to have correctly linked nodes in the graph so that i am rotating around the correct points and i think i have accomplished this. However, i cannot get the system to rotate around the objects poles. To clarify, i can get the object to rotate around one of its poles (x , y, z) in some cases but trying to do multiple rotations causes problems.
import javax.media.j3d.Appearance;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.ColoringAttributes;
import javax.media.j3d.PolygonAttributes;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Color3f;
import javax.vecmath.Vector3f;
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.geometry.Cylinder;
import com.sun.j3d.utils.universe.SimpleUniverse;
public class TestRotation
     private TransformGroup objectTranslateGroup, objectRotationGroup;
     private Transform3D translate = new Transform3D(); private Transform3D rotX = new Transform3D();
private Transform3D rotY = new Transform3D()
private Transform3D rotZ = new Transform3D();
     private double rotationX, rotationY, rotationZ, newRot = 10;
     private SimpleUniverse u;
     public TestRotation()
          // Create the root of the branch graph
          BranchGroup objRoot = new BranchGroup();
          rotationX = 0; //init rotations
          rotationY = 0;
          rotationZ = 0;
          ColorCube cube = new ColorCube(0.25f);
          Appearance x = new Appearance();
          Appearance y = new Appearance();
          Appearance z = new Appearance();
          x.setColoringAttributes(new ColoringAttributes(new Color3f(1,0,0),ColoringAttributes.SHADE_GOURAUD));
          y.setColoringAttributes(new ColoringAttributes(new Color3f(0,1,0),ColoringAttributes.SHADE_GOURAUD));
          z.setColoringAttributes(new ColoringAttributes(new Color3f(0,0,1),ColoringAttributes.SHADE_GOURAUD));
          Cylinder poleX = new Cylinder(0.02f, .75f, x); //RED
          Cylinder poleY = new Cylinder(0.02f, .75f, y); //BLUE
          Cylinder poleZ = new Cylinder(0.02f, .75f, z); //GREEN
          Transform3D poleXTransform = new Transform3D();
          Transform3D poleYTransform = new Transform3D();
          Transform3D poleZTransform = new Transform3D();
          poleXTransform.rotZ(Math.toRadians(90));
          poleZTransform.rotX(Math.toRadians(90));
          TransformGroup poleXTransformGroup = new TransformGroup(poleXTransform);
          TransformGroup poleYTransformGroup = new TransformGroup(poleYTransform);
          TransformGroup poleZTransformGroup = new TransformGroup(poleZTransform);
          poleXTransformGroup.addChild(poleX);
          poleYTransformGroup.addChild(poleY);
          poleZTransformGroup.addChild(poleZ);
          translate = new Transform3D();
          translate.setTranslation(new Vector3f(0,0,0)); //init position
          rotX.rotX(Math.toRadians(rotationX));
          rotY.rotY(Math.toRadians(rotationY));
          rotZ.rotZ(Math.toRadians(rotationZ));
          objectTranslateGroup = new TransformGroup();
          objectTranslateGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
          objectRotationGroup = new TransformGroup();
          objectRotationGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
          objectRotationGroup.addChild(cube); //add the object to the rotation group
          objectRotationGroup.addChild(poleXTransformGroup); //add the object to the rotation group
          objectRotationGroup.addChild(poleYTransformGroup); //add the object to the rotation group
          objectRotationGroup.addChild(poleZTransformGroup); //add the object to the rotation group
          objectTranslateGroup.addChild(objectRotationGroup); //add the rot group to translate group
          objRoot.addChild(objectTranslateGroup); //add to root
          u = new SimpleUniverse();
          u.getViewingPlatform().setNominalViewingTransform();
          u.addBranchGraph(objRoot);
          this.begin();
     private void begin()
          while(true)
               //rotationX += newRot; //rotate slightly
               rotationY += newRot;
               rotationX += 0; //rotate slightly
               //rotationY += 0;
               rotX.rotX(Math.toRadians(rotationX));
               rotY.rotY(Math.toRadians(rotationY));
               rotZ.rotZ(Math.toRadians(rotationZ));
               rotY.mul(rotX); //multiply rotations
               rotZ.mul(rotY);
               objectRotationGroup.setTransform(rotZ); //update
               try {
                    Thread.sleep(300);
               } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
     public static void main(String[] args) {
          // TODO Auto-generated method stub
          new TestRotation();
}As you can see the code is a full class so you can copy and paste it to run it... In the 'begin' method you will notice the variables that update the rotation, currently when the cube rotates on the y axis the cube is rotating around the viewers Y axis and not around the objects y pole. However, if you change the values so the cube is set to rotate around the X axis then it will treat the x axis as the objects x pole and not the viewers x axis. I presume this is because of the multiplication of the matrices.
What i want to know is how can i set it so that if i say rotate around the y axis it rotates the cube around its y axis (as in the y pole) regardless of where the y pole is. Not only that but i need to be able to rotate around multiple axis ensuring that it is rotating around the objects poles correctly.
The reason for this is that the object will be turned into an auv (underwater vehicle) fitted with thrusters which are going to turn the vehicle so no matter how the vehicle is positioned (facing up, upside down etc) the thruster always rotate around the same axis on the block.
Hope this makes sense, sorry for the long post!!
edd
Message was edited by:
edwardr

Since the 2-Wire gateway is providing both modem and DHCP services, you would want to insure that the Time Capsule is not also configured to provide DHCP services as well. If this were the case, that would mean two routers are trying to do the same thing on the same network. You only want one device on a network performing as a router.
The reason for this is that a two router setup is likey to create IP address conflicts on the network, which likely may be your issue.
To check, open Macintosh HD > Applications > Utiltiies > AirPort Utility
Click on the Time Capsule icon, then click Edit
Click the Network tab at the top of the next window
Insure that the setting for Router Mode is set to Off (Bridge Mode)
Click Update to save the correct setting
Then power cycle the entire network by powering off all devices in any order that you want
Wait a minute
Start the 2-Wire gateway first and let it run a minute by itself
Start the Time Capsule next the same way
Continue starting devices the same way until everything is powered back up.
Power off the entire network...all devices...and wait a minute

Managing multiple "old" AD computer objects

So we have implemented a naming convention where the techs just select a location and department during the imaging process for a machine that is about to be deployed; during that process and the computers are automagically named something like "NYC-FIN-1234567"...
with 1234567 being the dell asset tag.... pretty nifty Johan(!)
However... the problem is that once that machine gets re-imaged at the same location and deployed to another team like the marketing folks (ie."MKT")... it gets the name NYC-MKT-1234567...
the problem I am seeing is now we have multiple objects in AD with the same asset tag which is causing nightmares for licensing management... NYC-FIN-1234567 & NYC-MKT-1234567 respectively.
I am working on a PowerShell script that will trim the names down to their respective tags and then compare the list for duplicates - then check and compare the duplicates properties like "created date" and make a determination and delete
the older object...
this checking for duplicates is proving to be a little more difficult and haven't even gotten to the evaluate section yet... I am still working on my proficiency when it comes to more complex arrays.
am i going about this the right way or does anyone else have another approach to this conundrum?
scripting games '14 anyone :p

all good info!
Since our AD has less than 3000 workstation objects the 'scaling' is manageable... but could make it a little faster, but alas here is what i have with a couple of tweaks
i am skimming all computer objects in our 'workstation' OU... and dropping the first two prefixes, and then checking for machines that match... we were originally using "created date" but since we have workstations that have been imaged to say
a FIN dept and then to a MKT dept and then re-re-imaged back to FIN... the created date doesn't change so i switched to Modified date, and keep the newest one...
but also as another 'layer' of protection i test-path of the workstation (we run this middle of the day) before disabling it and moving it to a "temp" ou where we can let them sit for a couple weeks in case we had a false positive (thus the ping)
we can quickly restore that object... i also can just comment out the actual "move and disable command" so it generates me a nice list of machines that would have been deleted so i can do a 'sanity check' before deleting a bunch of vip's machiens
from AD :)
#Declare Domain and OU to be Scrubbed - and $dupou is the ou we can let them 'chillout' before deleting on the next run
$domain = "domain.com"
$OU = "OU=Workstations,DC=domain,DC=com"
$CleanupList = "c:\disabled.txt"
$dupOU = "OU=Duplicates,OU=INACTIVE,DC=domain,DC=com"
if (test-path $CleanupList) {Remove-Item $CleanupList}
$delOK = "c:\DelOk.txt"
if (test-path $delOK) {Remove-Item $delOK}
#this is the TEMPORARY throttle cap... so it will stop after it finds the amount defined by $cap (so we can phase it in)
$cap = 10000
$Global:i = 0
$sdate = (Get-Date)
Write-Output "AD Duplicate 'Scrubber' Script started on: "$sdate >> $CleanupList
Write-output "These Machines were disabled and moved to the Inactive\Duplicates OU in our domain" >> $CleanupList
Write-Output "--------------------------------------------------------------------------------------------------------------">> $CleanupList
$comps = (Get-ADComputer -filter * -Server $domain -SearchBase $OU).name
ForEach ($comp in $comps) {
if ($global:i -lt $cap) {
#trim length to just asset tags (last 7 digits)
$Length = $comp.Length
$var = $Length - 7
$tag = $comp.Substring($var,7)
Write-host -ForegroundColor yellow "Testing asset tag: $tag"
$x =(Get-ADComputer -Filter "name -like '*$tag'" -Properties DistinguishedName, Modified -Server $domain -SearchBase $OU |Sort-Object -Property Modified)
if ($x.count -gt 1) {
$y = ($x.count) -1
while ($y -ge 1 ) {
$z = $y - 1
$x.name[$z] >> $CleanupList
#added a ping feature to as another level of "protection"
if (Test-Connection $x.name[$z] -Count 2 -Quiet){
Write-Output $x.name[$z]" is Online... Skipping"
$x.name[$z] >> c:\WTF.txt
}Else {
#this line below this one is the one that moves and disables... comment out if testing with a # sign or remove when testing compelete
#Get-ADComputer $x.name[$z] | Move-ADObject -TargetPath $dupOU -PassThru | Disable-ADAccount
Write-Output $x.name[$z]" is Offline... should delete"
$global:i++
$x.name[$z] >> $delOK
write-host -ForegroundColor Cyan $x.name[$z]" Moved and Disabled - $global:i"
$y--
Write-host "------------"
Write-host -foregroundcolor cyan "$i Computer objects were Disabled and Moved to $dupOU :)"
#message in the body
$msg ="Please review the attached list to see the Duplicate machines that were moved and disabled via this script"
#Recipients
$mailTo = "shad acker <[email protected]>"
Send-MailMessage -SmtpServer smtp.domain.com -Attachments $delOK -Body $msg -to $mailTo -From "DuplicateFinder<[email protected]>" -Subject "Computer Duplicates Disabled" -Cc "who ever <[email protected]>"
not the prettiest or most efficinent but it seems to be working :)

How to avoid Multiple download of Mime Objects with cleared Cache

Hii!!
When using IC we client and when we are searching for the CSR multiple Mime Objects are getting Downloaded ..Can anybody tell me exactly in which class or function module these mime objects are getting downloaded or where the URL of the same is getting generated?

I think I've figure out what is happening here. Previous post didn't descript the situation quite clear, it is acturally like this:
// previous code:
var container:Sprite = new Sprite();
var bitmapCantainer:Sprite = new Sprite();
bitmapCantainer.addChild(bitmapCache);
bitmapCantainer.mouseEnabled = false;
bitmapCantainer.mouseChildren = false;
container.addChild(bitmapCantainer);
container.hitArea = someSpriteMadeUp;
// it turns out there'is a parent container of the "container" sprite I created
// and I disable that
parentContainer.mouseEnabled = false;
So now I don't need to avoid any interaction of transparent part of bitmap with mouse evnets, JUST set mouseEnabled property to false of the parent display object which is in the same depth of display list of which those display objects you don't what be "covered" are in.

MDS-00010: DuplicateRefException. In document {0} there are multiple elemen

I am getting this error and I don't know why
MDS-00010: DuplicateRefException. In document {0} there are multiple elements with the same ID {1}.
Cause: Either an element was being added with an ID that already existed within the document, or a preexisting document had multiple elements with the same ID.
Action: Change the ID of the elements so that there is no ID duplication.
Level: 1
--- Level 1: Detail 0 -----
(oracle.mds.exception.MDSRuntimeException) MDS-00010: DuplicateRefException.
In document /elechead/entities/PollingDivisions.xml there are multiple elements with the same ID PollingDivisions.
the entity pollingdivisions looks fine, correct unique primary key
I get this error when trying to run a module that has been built using the adf business services wizard (created entities, view objects and readonly objects)

I guess you get this error if you haves duplicate component ids one one of your pages. MDS its the meta data service which is used to store information about a jsf page in a special repository.
Timo

There are multiple users with the same display name

Hi,
We have a user and when she get an item assigned to her she sees the following alert:
"There are multiple users with the same display name USERNAME and at least one of them does not have read permissions to some of the files"
Now I looked in the database and when I run the following query with the username:
SELECT
[ProviderDisplayName]
,[DisplayName]
,[HasDisplayName]
,[Domain]
,[AccountName]
,[UniqueUserId]
,[LastSync]
FROM [Tfs_Configuration].[dbo].[tbl_Identity] where displayname like '%USERNAME%'
Then I get 2 same usernames back, How can I get rid of one of them ? When I access TFS trough the portal I only find 1 occurence of this user.
We use VS2013 and TFS2013 update 4
Best regards

Hi DSW,
Thanks for your post.
In your query result, please check if these two users have the same Account Name. if they are two different Account Name in result, it indicate there’s two users have the same display name in your AD, please check that two users’ information in
your AD. We suggest change one user’s display name in AD.
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
HERE to participate the survey.

I have a question about the calendar on the ipad2. I have multiple calendars in different colors. Some of the events are filled in with color. Others are just listed with a colored dot in front of the event. Any ideas why events ar showing up differently?

I have an ipad2 and my question is about the calendar. I set up multiple calendars with different colors. Some of the events show up in filled color. Others only show with a colored dot in front of the event. I can't figure out why some show up one way and others show up differently? Any thoughts?

On mine the ones that show on a coloured background are all-day events, the ones with dots and just timed events.

TS3367 If I have an IPad mini and my wife has an IPad, can I connect to her IPad with FaceTime from my IPad Mini? Are multiple Apple ID's required? One for each device/person?

If I have an IPad mini and my wife has an IPad, can I connect to her IPad with FaceTime from my IPad Mini? Are multiple Apple ID's required? One for each device/person?

Using FaceTime http://support.apple.com/kb/ht4319
Troubleshooting FaceTime http://support.apple.com/kb/TS3367
The Complete Guide to FaceTime + iMessage: Setup, Use, and Troubleshooting
http://tinyurl.com/a7odey8
Troubleshooting FaceTime and iMessage activation
http://support.apple.com/kb/TS4268
Using FaceTime and iMessage behind a firewall
http://support.apple.com/kb/HT4245
iOS: About Messages
http://support.apple.com/kb/HT3529
Set up iMessage
http://www.apple.com/ca/ios/messages/
Troubleshooting Messages
http://support.apple.com/kb/TS2755
Setting Up Multiple iOS Devices for iMessage and Facetime
http://macmost.com/setting-up-multiple-ios-devices-for-messages-and-facetime.htm l
FaceTime and iMessage not accepting Apple ID password
http://www.ilounge.com/index.php/articles/comments/facetime-and-imessage-not-acc epting-apple-id-password/
Unable to use FaceTime and iMessage with my apple ID
https://discussions.apple.com/thread/4649373?tstart=90
For non-Apple devices, check out the TextFree app https://itunes.apple.com/us/app/text-free-textfree-sms-real/id399355755?mt=8
 Cheers, Tom

How do you select and move more than one bookmark at a time? Shift+Click does not select multiple items that are next to one another in a list because the item

How do you select and move more than one bookmark at a time?
Shift+Click does not select multiple items that are next to one another in a list because the items open in firefox before this happens.

Use the bookmarks library. You may use Shift +Click, and Ctrl + Click to create groupings of selected bookmarks to drag and drop.
* one method of opening the bookmarks library is keyboard shortcut <br /> Ctrl+Shift+B (Windows)
*see also [[How to use bookmarks to save and organize your favorite websites]]
*and [[Use bookmark folders to organize your bookmarks]]

The same Object Version Number for the same person id multiple times

Hello all,
I am currently facing an issue with HRMS tables and the object version number for employees. I am trying to write a report but due to the same object version number for the same person appearing in several row i am getting duplicate information. For example,
person id 91 object version number 32 is on 4 rows and i have no idea why...help please guys, I'm at a lost so far 50 people are facing the same issue.

Hi Baal666bobo,
The person table is date-tracked, so the PK has effective start and end dates as well.
Get the correct record with sysdate(or any particular date) and then check the OVN.
Cheers,
Vignesh

Are multiple extents of db objects harmful or efeects the performance??????

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