Cluster aware cache seeding

Metalink mentions that the Cluster aware cache can only be seeded using ibots or using SAseed command line.
Does nayone one know if progress has been made so that answers query also results in cache seeding? Also wondering if Marketing segmentation queries can be seeded. ( we tried and do not see any chache using anwsers and marketing).

I assume you are talking about coherence.
Cache should be shared across WebLogic clusters, as long as the coherence client node (the individual weblogic server) is configured at network level to connect to the same Coherence Cluster (see tangosol-coherence-override.xml for more info on network parameters). Updates to a cached object should be reflected across all instances of Coherence cluster.
you can choose to which Coherence cluster to connect by passing to CacheFactory.getCache() a classloader where a separate Coherence configuration has been loaded
this is all I know about coherence :o) .
If someone finds this info is wrong, please correct me.
Edited by: PierluigiVernetto on Sep 28, 2010 9:42 AM

Similar Messages

Cluster aware Cache - Reg CacheFactory.getCache()

Hi,
Is the Cache object created using CacheFactory.getCache() is cluster aware?
We would like to cache data which needs to be available across clusters.
The application meta-data does not require frequent updates.
If we create Cache using weblogic APIs, will it be available across all the clusters?
Could you please let me know on this?
Thanks
Ananth Krishnan

I assume you are talking about coherence.
Cache should be shared across WebLogic clusters, as long as the coherence client node (the individual weblogic server) is configured at network level to connect to the same Coherence Cluster (see tangosol-coherence-override.xml for more info on network parameters). Updates to a cached object should be reflected across all instances of Coherence cluster.
you can choose to which Coherence cluster to connect by passing to CacheFactory.getCache() a classloader where a separate Coherence configuration has been loaded
this is all I know about coherence :o) .
If someone finds this info is wrong, please correct me.
Edited by: PierluigiVernetto on Sep 28, 2010 9:42 AM

Cluster aware cache - CacheFactory.getCache()

Hi,
Is the Cache object created using CacheFactory.getCache() is cluster aware?
We would like to store cache data which is available across clusters.
These are meta-data and need not require to be updated frequently.
Hence if we create Cache and store it using the CacheFactory.getCache(), will it be available across all the clusters?
Could you please confirm this?
Thanks
Ananth Krishnan

I assume you are talking about coherence.
Cache should be shared across WebLogic clusters, as long as the coherence client node (the individual weblogic server) is configured at network level to connect to the same Coherence Cluster (see tangosol-coherence-override.xml for more info on network parameters). Updates to a cached object should be reflected across all instances of Coherence cluster.
you can choose to which Coherence cluster to connect by passing to CacheFactory.getCache() a classloader where a separate Coherence configuration has been loaded
this is all I know about coherence :o) .
If someone finds this info is wrong, please correct me.
Edited by: PierluigiVernetto on Sep 28, 2010 9:42 AM

Cache Seeding in OBI 11g in Clustered Environment on Unix Box

hi All,
i want to do cache seeding for a couple of dashboards in OBI 11g,
Steps taken:
1. Global Cache is ON
2. Global shared path is SET
3 Global cache size = 3GB
i am using agents for cache seeding and are scheduled after the dataload is complete.
It successfully runs early morning...delivers a mail.
But when I am trying to the reports from OBI...its again generating the SQl...without hitting the cache.
It might be due to the Clusterred Env... 2 nodes Env.
Please suggest some technique to achieve this cache seeding.
Thanks in advance

GLOBAL_CACHE_STORAGE_PATH This path must point to a network share. All clustering nodes share the same location.
Check the bellow setting
GLOBAL_CACHE_STORAGE_PATH = "directory name" SIZE;
ex: GLOBAL_CACHE_STORAGE_PATH = "C:\cache" 250 MB;
CLUSTER_AWARE_CACHE_LOGGING -->Turns on logging for the cluster caching feature. Used only for troubleshooting. The default is NO.
Example: CLUSTER_AWARE_CACHE_LOGGING = NO;

Cluster Aware Updating - Failed to restart - The RPC Server is unavailable

I have a 3 node Windows Server 2012 R2 Failover Cluster, and I'm having trouble getting Cluster Aware Updating to work properly. I have been able to successfully apply updates that do not require a reboot, however, anytime I have updates that
do require a reboot, the process fails. The error message says:
Failed to restart <ServerName>:(ClusterUpdateException) Failed to restart <ServerName>:(Win32Exception) The RPC server is unavailable ==> (Win32Exception) The RPC server is unavailable
I have verified that the firewall rule to allow automatic restarts is configured according to Technet: Requirements and Best Practices for Cluster-Aware Updating
I have also made sure that the CAU AD account has local admin rights, as well as "Force shutdown from a remote system" rights on each of the cluster nodes. In this case, I have been applying updates manually from my workstation (which is not a
member of the cluster) while logged in with Domain Admin rights (as opposed to letting the cluster update itself based on a schedule). I'd like to verify that the entire process works properly before letting it update itself. What am I missing?

Hi Duct tape and super glue,
Could you offer us more information about your environment status now, such as
CUA Role name is online or not, firewall settings and the event ID, “The RPC server is unavailable” is the typical caused by the WMI or DCOM communication was not running or block, please verified that the firewall was set correctly, WinRM
is enabled.
More information:
What is Cluster Aware Updating in Windows Server 2012? (Part 2) [VIDEO]
http://blogs.technet.com/b/mspfe/archive/2013/03/07/what-is-cluster-aware-updating-in-windows-server-2012-part-2-video.aspx
Configure Remote Management in Server Manager
http://technet.microsoft.com/en-us/library/hh921475.aspx
I’m glad to be of help to you!
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.

Cache seeding in OBIEE 11g

Hi All,
How to implement cache seeding in OBIEE 11G.?
Please help.
Thanks
SwathiP

Hi Srini,
Created an Agent for seeding the cache, it ran successfully. On the Recipients tab, added Administrator. Agent ran successfully but the cache for a particular analysis gets recorded 2 times when checked in Admin tool along with BIAdministratorUser cache returning list of users., Is it a right way?
I am not sure how exactly Obiee server seeds the cache..
Please suggest,
Thanks,
SwathiP

Info on how to make application cluster aware

Hi All,
Can somebody provide help/pointers on how to make (java or c++) application cluster aware ?
In our application We are making cluster of two solaris m/cs
for higher availability.The application which are running on
the m/c are written in java and c++.
TIA
Regards
Praveen

Not a developer myself, but by chance do you have the API
documentation? If not here is the SC 2.2 link for the API.
http://docs.sun.com:80/ab2/coll.650.1/CLUSTAPIPG/@Ab2TocView?Ab2Lang=C&Ab2Enc=iso-8859-1
and the 3.0 data services developer guide.
http://docs.sun.com:80/ab2/coll.572.7/CLUSTAPIPG/@Ab2TocView?Ab2Lang=C&Ab2Enc=iso-8859-1
Heath

What is correct method to deploy cluster aware technology using HA VMs?

Dear all,
I recently had experience creating Hyper-V Server 2012 cluster. This allows for deploying a highly available virtual machine. That's fine. The business machine (virtual machine) becomes highly available. This includes an existing VM enabled to be highly
available or a new VM installed into cluster from scratch.
On the other hand; we have cluster aware applications (SQL Server, SCVMM etc.) which are installed in clustered OS (Windows 2008 R2 Enterprise edition which has failover clustering service) .
Just for clearing concept; what is correct way of deploying a cluster aware technology (SQL Server, SCVMM) in the scenario where the underlying OS; running in VM(s) can be made highly available.
Method 1:
Create simple non clustered VM, install cluster aware application (SQL Server e.g.). Make this VM highly available using Hyper-V cluster. (This seems to be clustering the VM running cluster aware application, not the cluster ware application; which
requires clustering.)
Method 2:
Create HA-enabled VM onto Hyper-V Servers cluster; install cluster aware application within this HA-enabled VM. (This again; the underlying OS/VM is clustered first, the cluster aware application (SQL server or others) how would it leverage
the cluster?)
Please shed light on what is correct method. In both cases it seems the VM running the cluster aware application; is made highly available; meaning leveraging clustering. What about clustering the application
itself? The objective is to be able to not only make the VM highly available; but also deploy clustered SQL Server or other cluster aware technology using such HA VM.
Regards,
Shahzad.

Dear all,
I recently had experience creating Hyper-V Server 2012 cluster. This allows for deploying a highly available virtual machine. That's fine. The business machine (virtual machine) becomes highly available. This includes an existing VM enabled to be highly
available or a new VM installed into cluster from scratch.
On the other hand; we have cluster aware applications (SQL Server, SCVMM etc.) which are installed in clustered OS (Windows 2008 R2 Enterprise edition which has failover clustering service) .
Just for clearing concept; what is correct way of deploying a cluster aware technology (SQL Server, SCVMM) in the scenario where the underlying OS; running in VM(s) can be made highly available.
Method 1:
Create simple non clustered VM, install cluster aware application (SQL Server e.g.). Make this VM highly available using Hyper-V cluster. (This seems to be clustering the VM running cluster aware application, not the cluster ware application; which
requires clustering.)
Method 2:
Create HA-enabled VM onto Hyper-V Servers cluster; install cluster aware application within this HA-enabled VM. (This again; the underlying OS/VM is clustered first, the cluster aware application (SQL server or others) how would it leverage
the cluster?)
Please shed light on what is correct method. In both cases it seems the VM running the cluster aware application; is made highly available; meaning leveraging clustering. What about clustering the application
itself? The objective is to be able to not only make the VM highly available; but also deploy clustered SQL Server or other cluster aware technology using such HA VM.
Regards,
Shahzad.
With SQL Server both M1 and M2 are by far the best solutions. See guest VM cluster is non-optimal as SQL Server works better with own clustering features (AlwaysOn, see link below). And HA would make VM re-boot on another physical host so there would be
both downtime and potential data loss. Run SQL Server in a pair of VMs on a different physical hosts, configue AlwaysOn (use failover SMB share as a witness) and you'll be fine. See:
Overview of AlwaysOn Availability Groups (SQL Server)
http://technet.microsoft.com/en-us/library/ff877884.aspx
How to Build SQL Server
2012 AlwaysOn Hyper-V Virtual Machines
http://social.technet.microsoft.com/wiki/contents/articles/6198.how-to-build-sql-server-2012-alwayson-hyper-v-virtual-machines-for-demos-emu-build.aspx
SQL Server 2012 AlwaysOn High Availability and Disaster Recovery Design Patterns
http://blogs.msdn.com/b/sqlcat/archive/2013/11/20/sql-server-2012-alwayson-high-availability-and-disaster-recovery-design-patterns.aspx
Also the best place to ask about SQL Server High Availability is dedicated MSFT group here:
SQL Disaster Recovery Forum
http://social.technet.microsoft.com/Forums/sqlserver/en-US/home?forum=sqldisasterrecoveryHope
this helped :)
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

Cache seeding problem

Hi Folks,
This may be a Bug as i understand from my previous readings in the forum or misconfiguration in the ibots
The Cache seeding technique is not working for Users on dashboard pages
users mean who are not part of RPD and Presentation server Administrator Group
this users has Read Only Access to the dashboards
The Setup includes
1. LDAP Authentication
2. External Table Authorization
3. No users in RPD
Administrators will schedule the ibots for cache seeding on Dashboard Pages,
Ibots successfully run for users in Admin group and just start and stop immediately with out any errors for users( Non Admin Group people)
is this well known issue or bug
is there any workaround
i have Escalated an SR with Oracle Support, but no USE
Please Suggest
Thanks
Kumr

Are you sure your iBots are running successfully?

Cache seeding

Hello All.
I have several dynamic variables used in a analysises and graphs and then in they used in a dashboard.
I have a schedule task running to refresh the data (cache seeds).
I have recently learned that if I utilize dynamic variable then the cache is purged by the BI server.
And the user offers a solution to "set up a cache seeding .bat file that runs after the dynamic variable has been updated. "
We are using Oracle BI 11.1.1.5.0
Can anyone clarify how to do this?
Perhaps this issue was resolved already by Oracle??
Thank you,
Sonya
Edited by: user8461308 on Mar 12, 2012 8:05 AM

Hello Sonal,
You can refer below site which can be helpful to understand
http://sites.google.com/site/ashishrkabra/obiee/obieecachemanagement
its by Ashish
If helpful please close the thread and award it to avoid confusion :)

Cache Seeding using Briefing Books in iBots

Hi All,
I'm trying to seed the cache using Briefing books in iBots.
1. Created the Briefing book of a Dashboard page with required dashboard prompt values
2. Selected this 'Briefing Book' as Delivery Content
3. Scheduled the iBot
But, despite of iBot running successfully, Cache is not being seeded.
Am i missing any steps?
Moreover, in 'Destinations', if i just check 'Interactive Dashboards' & 'Active Delivery Profile',
No cache entries created
But if i check 'e-mail' or any of the devices,
then a cache entry is generated for the default dashboard prompt values* but not for the prompt values selected for the Briefing Book*..
Please help
Thank you,
Raghu

Hello Madan,
Thank you for the reply..
"Oracle BI Server Cache" can only be used for the answer pages/dashboard pages with default prompt values..
Any other way to get the Cache seeded for other prompt values too..
other than the manual seeding
Thank you,
Raghu

Cache Seeding in 10 g

Hi Gurus,
I was trying to Cache Seed the dashboard and i am able to make it. But the problem is the Dashboard have prompt with 5 columns ( Together with one go button) and each column have at least 4-5 values. Each column have assign value. When i seed the Dashboard the Cache is done for that combination but when i change the combination of the prompt its generating the cache. Is there any work around that i can do the seeding for all the combinations at one go?
Prompt:
Column --> Operator -->Control -->Show -->Defualt to -->Set variables
Column 1: -->is equal to -->Drop down -->Specific Value( x) -->None
Column 2: -->is equal to -->Drop down -->Specific Value( 1) -->None
Column 3: -->is equal to -->Drop down -->Specific Value( y) -->None
Column 4: -->is equal to -->Drop down -->Specific Value( 23) -->None
In iBots we can add only one report/ Dashboard? Is there possiblity to add more then one report/ Dashboard.
Thanks In adavance
Regards
Ali

Hi Ali,
yep, the link provided above is one way of solving your issue. Also, the Oracle guides are pretty helpful in this area:
http://download.oracle.com/docs/cd/E17904_01/bi.1111/e10541/querycaching.htm#insertedID4
http://download.oracle.com/docs/cd/E17904_01/bi.1111/e10541/querycaching.htm#i1010207
1. Basically, the approach is to call the ODBC client utility (nqcmd) using a script file.
2. Inside the script file write your SQL statements (BI Server logical format).
3. There are also some reserved commands you'll find useful like:
- SAPurgeAllCache
- SAPurgeCacheByDatabase
- SAPurgeCacheByTable
- SAPurgeCacheByQuery
For clearing out / purging your cache.
4. SAPurgeAllCache() is commonly used, but 'SAPurgeCacheByQuery' might be more useful for your needs because its bit more precise.
Hope this helps.
Justin

Should we Use cache seeding iBots to pre-cache the reports ?

Hi Everyone,
We have requirement from client to improve the performance of some reports.We have a very old RPD and it is really huge so we don't want to do much on database side for performance tuning.
Will it be a good idea to use cache seeding iBots to pre-cache the reports ?
Most of the reports which are having performance issue are having some 5-6 columns and one key column is having some 30+ choices in column selector.So for each column selector view we will have to create a ibot which will again be a huge task.Can you pls guide how to approach this?
Thanks in advance !
Aarti Chawla

hi Aarti,
Will it be a good idea to use cache seeding iBots to pre-cache the reports ?http://www.artofbi.com/index.php/2010/03/obiee-ibots-obi-caching-strategy-with-seeding-cache/
30+choices in column selector will definitely have performance issues..bcz each and every time the report is going to refresh .have u enabled the cache some what better .Whats the issue of using existing report by enabling the cache seeding in ibots?
Thanks,
Saichand.v

Cluster Aware Updating - can't install cluster role

Looking for some assistance with enabling cluster aware updating. I currently have an 8-node cluster for Hyper-V running Windows Server 2012 R2. While trying to enable Cluster Aware Updating, it fails on the actual creation of the cluster role and I receive
the following error message:
There are no more endpoints available from the endpoint mapper.
I'm not seeing any other information in event viewer, etc. that I can use to troubleshoot this. Has anyone come across this before? Thanks.

Eventually found my own solution. I was receiving that error because the Windows Firewall service was turned off on all cluster members. After enabling the Windows Firewall service, I was able to get past the error message.

Cache seeding through Ibots

Hi Gurus,
I am trying to seed the cache by invoking the Ibots from windows batch file but I am not able to seed the cache.
These are settings used for the Ibot:
Priority : Normal
Data Visibility: Not Personalized
Conditional Request : None
Recipients : None ( checked Publish for subscription )
Delivery content: selected the page that needs to cached.
Destinations : Oracle BI server cache checked
Ibots log:
+++ ThreadID: 1308 : 2010-10-21 10:23:18.428
iBot Chain Started.
Scheduler iBot Version: 201
Job ID: 31
Instance ID: 186.000000
User ID: Administrator
Parameters:
Job Version: 2
Root iBot ID: /shared/_ibots/Full Quarter 1
Oracle BI Presentation Server: localhost:9710
Debug: True
iBot Load Balancing Enabled.
+++ ThreadID: 1308 : 2010-10-21 10:23:18.522
Using Presentation Server: localhost:9710
+++ ThreadID: 1308 : 2010-10-21 10:23:18.522
iBot Started:
iBotID: /shared/_ibots/Full Quarter 1
Priority: normal
Personalized: False
Run As User: Administrator
+++ ThreadID: 1308 : 2010-10-21 10:23:18.522
Subscribers: 0
+++ ThreadID: 1308 : 2010-10-21 10:23:18.522
iBotID: /shared/_ibots/Full Quarter 1
No subscribers. Not executing.
+++ ThreadID: 1308 : 2010-10-21 10:23:18.522
iBot Chain Completed.
Please help me in this issue.
Thanks in Advance.
Kanna

Hi David,
Previously I am seeding the cache by nqcmd utility, its working in some pages and not working in some pages due to the repository variables (current quarter and current week variables are used in the prompts) used in some Dashboard prompts.
So we are not meeting Business SLA due to this issue.
Now I am trying seed the cache through Ibots where ever we have the cache seeding problem. When I run an Ibot, I don't see any Queries cached in Manage--->Cache in Admin tool.
We already had a Ibot setup which is running after every ETL load in the production and sending reports(emails) to the users ( In this case I see that the queries are cached).
In the same way I am trying to setup the Ibots not selecting and any recipient and selecting destination as OracleBI Server Cache.
Am I missing anything here ....
Please help me guys... this is a production issue....
Thanks in Advance...
Kanna

Cluster aware cache seeding

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