Determining Cluster Members Using a NamedCache

Is it possible to get the cluster members using a particular NamedCache?
Is it possible to add a listener which listens for members getting/returning (ensure/release) a particular NamedCache?
Is there a concept of groups within a cluster membership? Some way of both indicating what a particular node will be doing (say if you wanted to have a "nodata" member which held no objects in its partition and a "data" member which did hold the objects and could have the same configuration file, only somehow give it the parameter to indicate which an instance would be) as well as identify it from the cluster info (get all cluster members of the "data" type)?
--Tim

1) It's possible to get all cluster members that are
using (or providing storage for) a given cache
service:Excellent. Just what I was looking for.
More generally, starting with Coherence 3.2, there
are number of <aThis is what we need. I used storage enabled as an example, but we want to have roles for cluster members, so this is the better solution. We're currently on 3.0, but I guess this is a good impetus to upgrade.
--Tim

Similar Messages

Possible to have multiple cluster members in the same JVM (for unit tests)?

Hi,
I'm wondering if it's possible to simulate multiple cluster members inside of a single JVM. I'm looking to unit test my code and it would be great to write cases for various boundary conditions.
This could certainly be done with multiple JVMs but would be more difficult to run in something like cruise control etc.
TIA,
Danny

Hi Danny,
I do not know how to accomplish what you are asking for and run several Coherence nodes in a single JVM, but I have written a JUnit base class that starts a configurable number of nodes (each in its own JVM) and provides some other useful methods for unit/integration testing with Coherence, such as method to clear all caches or to load test data from the CSV file.
It is still a work in progress and you might need to tweak things a bit to make it work in your environment, but it will at least give you a head start.
Shoot me an email if you are interested and I'll send it to you (you can find my email in my profile).
Regards,
Aleks

What is behind the scenes of "Automatic Discovery of Cluster Members?"

Do any of you know the basic mechenism ( or concept ) of authomatic discovery of cluster members?
And how can we be confident that an application deployed anywhere on the network (LAN,WAN, or the Internet) can join a cluster?
Sorry for this clumsy question, but I realy need to know this.
Thanks in advance!
Scott

Hi Scott,
Coherence uses a protocol called TCMP which is described in the following Wiki article:
http://wiki.tangosol.com/display/COH32UG/Network+Protocols
By default, multicast is used to discover if a cluster is already running that the new member may join.
In order to test multicast in your environment, you need to run the multicast test:
http://wiki.tangosol.com/display/COH32UG/Multicast+Test
Some environments don't allow multicast or some switches don't handle multicast very well, in which case you'd need to run using WKA (Well Known Address):
http://wiki.tangosol.com/display/COH32UG/well-known-addresses
Regards,
Jon Hall.
p.s. once you've confirmed that clustering is taking place (either using the default of multicast or using WKA), then you should run the datagram test to test your network's performance:
http://wiki.tangosol.com/display/COH32UG/Datagram+Test
Also, check out the production checklist as this has lots of really good information in it that will be useful going forward:
http://wiki.tangosol.com/display/COH32UG/Production+Checklist

IPlanet Plug-in does not recognize all cluster members

          We are running 7 WLS 6.1 SP2 server instances on two Solaris 2.8 machines. (3 on
          machine A , 4 on machine B). The admin server is also running on Machine A.
          All the cluster members appear to join the cluster correctly on startup, at least
          as far as the WLS console shows. No logged errors.
          We are using the IPlanet 6.0, sp4 with the Weblogic NSAPI plug-in to load-balance
          across the cluster.
          However the Plug-in will only recognize the server instances on machine A or machine
          B during any one life of the IPlanet. We can never get the plug-in to recognize
          all instances at one time, only on one machine or the other. We can see this from
          the results of a __WebLogicBridgeConfig.
          Using same configuration WLS configuration, run where machine A and B are domains
          on the same physical machine uses both A and B servers.
          We suspect this has to do with a multicast problem, running MulticastTest between
          machines A and B fail to receive messages.
          My questions are,
          A) Why would we be seeing all server instances as having successfully joined the
          cluster, if multicast is failing?
          B) How would multicast have any effect on how the NSAPI plug-in sees the cluster
          members?
          C) Why would the cluster instances seen by the NSAPI plug-in alternate between
          machine only A or B, after each shutdown and start-up ?
          WLS 6.1 SP2 on Solaris 2.8, IPlanet 6.0 sp4.


I am seeing a similar problem. I have three machines - each with four managed servers running on them. All 12 servers in the cluster are are specified in the obj.conf for NSAPI. Only eight of the servers get used, however. The wierd part is that machine1 contains managed servers 1, 4, 7, and 10. Machine 2 contains managed servers 2, 5, 8, and 11. Machine 3 contains managed servers 3, 6, 9, and 12. In the obj.conf, we list the machines in ourder 1 to 12 for the cluster. For some reason the NSAPI is skipping managed servers 3, 6, 9, and 12. I have checked both the connectivity for the ip and the port. The fire wall seems fine.
          Did you ever get a response or figure out what was causing this problem.
          Thanks,
          Mark

How do multiple family members use iTunes.? One account or multiple?

How do multiple family members use iTunes. One account right now but apps gets added to all devices and iTunes messages go to all devices. Can multiple accounts be setup and still have ability to share purchased items?

Hey Ajtt!
I have an article for you that can help inform you about using Apple IDs in a variety of ways:
Using your Apple ID for Apple services
http://support.apple.com/kb/ht4895
Using one Apple ID for iCloud and a different Apple ID for Store Purchases
You can use different Apple IDs for iCloud and Store purchases and still get all of the benefits of iCloud. Just follow these steps:
iPhone, iPad, or iPod touch:
When you first set up your device with iOS 5 or later, enter the Apple ID you want to use with iCloud. If you skipped the setup assistant, sign in to Settings > iCloud and enter the Apple ID you’d like to use with iCloud.
In Settings > iTunes and App Stores, sign in with the Apple ID you want to use for Store purchases (including iTunes in the Cloud and iTunes Match). You may need to sign out first to change the Apple ID.
Mac:
Enter the Apple ID you want to use for iCloud in Apple () menu > System Preferences > iCloud.
Enter the Apple ID you want to use for Store purchases (including iTunes in the Cloud and iTunes Match) in Store > Sign In. In iTunes 11, you can also click iTunes Store > Quick Links: Account.
PC (Windows 8):
Enter the Apple ID you want to use for iCloud in the Control Panel. To access the iCloud Control Panel, move the pointer to the upper-right corner of the screen to show the Charms bar, click the Search charm, and then click the iCloud Control Panel on the left.
Enter the Apple ID you want to use for Store purchases (including iTunes in the Cloud and iTunes Match) in iTunes. In iTunes 10, select Store > Sign In. In iTunes 11, click iTunes Store > Quick Links: Account.
PC (Windows 7 and Vista):
Enter the Apple ID you want to use for iCloud in Control Panel > Network and Internet > iCloud.
Enter the Apple ID you want to use for Store purchases (including iTunes in the Cloud and iTunes Match) in iTunes 10 in Store > Sign In. In iTunes 11, click iTunes Store > Quick Links: Account.
Note: Once a device or computer is associated with your Apple ID for your iTunes Store account, you cannot associate that device or computer with another Apple ID for 90 days. Learn more about associating a device or computer to your Apple ID.
Thanks for using the Apple Support Communities!
Cheers,
Braden

Can I put more than one user under one Apple ID account. I want to let other family members use imessage on their own Apple device. Or is there another way to get this end result?

Can I put more than one user under one Apple ID account. I want to let other family members use imessage on their own Apple device. Or is there another way to get this end result?

You can seach the net for solutions like this one http://appletvvpn.com/how-to-connect-apple-tv-2-to-vpn/ another idea is to use a PC as the control and fit that with a wireless card and set up a ad hoc wireless network that the Apple TV uses.

What happens on iCloud (ex. contacts) when multiple family members use the same Apple ID?

What happens on iCloud when multiple family members use the same Apple ID? For example if we all choose to use iCloud for contacts, are they all merged together? We use the same Apple ID so we can use find my iPhone to keep track of the whole family.

Of course if you are both connected to the same iCloud account you have the same contacts - what did you expect?. The contacts live on the server and are read from there by the devices; so as you've both managed to sync your contacts up to iCloud they are now inextricably mixed. You can only delete your contacts by deleting individual ones, and doing that will delete them from your phone as well.
You can only unravel this by
1. In the iCloud contacts page at http://icloud.com, select all the contacts, click on the cogwheel icon at bottom left and choose 'Export vCard'.
2. Sign out of System Preferences>iCloud
3. Create a new Apple ID and open a new iCloud account with it for your own use.
4. Import the vCard back into the iCloud contacts page.
5. Go to http://icloud.com and sign in with the original ID. This is now his ID. Work through the contacts individually deleting the ones you don't want him to have. When done sign out and advise him to change his password.
6. Go to the new iCloud account and delete his contacts individually.
Of course if you have also been syncing calendars and using the same email address there are problems with doing this.

HT204053 I have multiple family members using one apple id account and all of each others information is going onto each others phones/how do i stop this?

I have multiple family members using one apple id and all of our data is going onto each others phones/how do i stop this?

Each person needs to have their own separate Apple ID along with their own separate computer user account and iTunes Library.

HT5012 I am having difficulty XMIT/REC text messages to family members using Android phones? I have a 3GB data plan and all switches and buttons are set properly. Any suggestions?

I am having difficulty XMIT/REC text messages to family members using Android phones? I have a 3GB data plan and all switches and buttons are set properly. Any suggestions?

Hello APVzW, we absolutely want the best path to resolution. My apologies for multiple attempts of replacing the device. We'd like to verify the order information and see if we can locate the tracking number. Please send a direct message with the order number so we can dive deeper. Here's steps to send a direct message: http://vz.to/1b8XnPy We look forward to hearing from you soon.
WiltonA_VZW
VZW Support
Follow us on twitter @VZWSupport

How to build shared members using Rules file

hi all,
we have a source file like below,in that Bold members are shared member. we doknow how to modify the source file for building shared members using Rules file.
Conf Total,~,Config A,*Lightbolt 365 A*
Conf Total,~,Config A,*Lightbolt 540 A*
Conf Total,~,Config A,*Lightbolt 730 A*
Conf Total,~,Config A,*Thunderball 365 A*
Conf Total,~,Config A,*Thunderball 270 A*
Conf Total,~,Config A,*Roadranger 123 A*
Can anyone give suggestion to resolve this issue.
Thanks in Advance

hi John,
Here i'm building the dimension through generation build method.
setting the properties as
Field, Dimension, Field Type, Field Number
Field1,Product,Generation,2
Field2,Product,property,2
Field3,Product,Generation,3
Field4,Product,Generation,4
After mapping it shows dimensions are correctly mapped.
When i load the source file and the rule file, it shows error partially loaded data,.And it doesn't shows the shared member property. That is what asked How to modify the source file for building shared members using Rules file.
Thanks,
Edited by: user@99 on 25-May-2010 15:37

Can songs uploaded using the iMatch service be accessed by other family members using the Family Sharing feature?

Can songs uploaded using the iMatch service be accessed by other family members using the Family Sharing feature?

No
Which purchased content can I share using Family Sharing - Apple Support

Determine receiver without using element in payload

Hi! Appreciate input on the following:
We have two receivers:
Receiver A
All messages sent to the receiver at all times.
Receiver B
All messages sent to the receiver at certain times e.g. during testing to grab a copy of inbound messages.
We can set up receiver determination to parse the payload (via xpath) and decide if it should be sent to Receiver B. However, this requires the sender to make some identifiable change in the payload i.e. we depend on the sender system which may not be under our direct control.
Is there a way to build a framework that allows me to set a 'flag' in our XI system to decide if the the message should be sent to Receiver B.
I know I can do it by changing the receiver determination. But each time I do this, I have to maintain my development environment and re-transport the CS to multiple test and production systems.
Any ideas greatly appreciated. Thx, Duncan

Hi Duncan,
Check the following link
<a href="/people/venkataramanan.parameswaran/blog/2006/03/17/illustration-of-enhanced-receiver-determination--sp16:///people/venkataramanan.parameswaran/blog/2006/03/17/illustration-of-enhanced-receiver-determination--sp16
Here u determine the receiver using mapping. So probably u can play with ur mappin and determine the receivers.
Regards,
Akshay

How do I determine what is using the most memory.

The hard disk memory is filling up and I was wondering what is the best way to determine what is using the most memory. Is there a way to show a graph of how the memory is used. Like on my ipod. When I am checking the memory, it will show how much is music, and how much is applications and so on.
Also, I seemed to have lost the "all movies" in the list to the left when the hard disk is opened. It still shows the all imagess, and all documents but the all movies is gone.
Thank you for any help
Marco

Try Grand Perspective or OmniDiskSweeper - CNet Downloads or MacUpdate.
Just for future reference space on a hard drive is called, "storage," not "memory." Memory refers to the installed RAM in your computer.
Open Finder Preferences from its Finder menu. Click on the Sidebar icon in the toolbar. Check the box for your missing item.

How do I determine what is using the data on my iphone 5c?

In looking at our bill we have one person that is using almost triple the amount of data that the other users are, and we need to figure out exactly what it is that is eating all of the data on his phone as he doesn't have any clue what it could be. Any help to determine what is using the data on an iphone 5c?

emilyki, look no further. We can help you look into this data usage issue. First of all, we recommend that you disable data for a few applications on that iPhone 5C device to ensure that the applications are not depleting data from your allowance when not in use. You can do this by tapping Settings>Cellular>Scroll down to all the downloaded applications and disable data for applications.
Additionally, you also have the option of disabling data in Settings>Cellular when you're not using data or connected to Wi-Fi.
Lastly, you may view the data usage sessions for that line online at My Verizon to determine when data is used the most. http://bit.ly/xB4iTc Keep us posted.
LasinaH_VZW
Follow us on Twitter @VZWSupport

I need to get the cluster information using"MSCluster.Cluster" object

Hi,
Please anyone solve my problem ? I need to get the cluster information using"MSCluster.Cluster" object.
Set objCluster = CreateObject("MSCluster.Cluster")
objCluster .open <clustername>
If i run the vbscript " Microsoft VBScript runtime error: ActiveX component can't create object: 'MSCluster.Cluster' " error is thrown.
Kindly explain what is the issue and what can i do ?
-Sundar.

this question was closed and answered a long time ago.
Post questions about WS2012 in th WS2012 forum.
The cluster object will no longer work in WS2012. Use the supplied CmdLets and utilities.
post future questions in the WS2012 forum.
¯\_(ツ)_/¯

Determining Cluster Members Using a NamedCache

Similar Messages

Maybe you are looking for