High affinity connections in cognos software

For information on accessibility features that are available in cognos connection, see accessibility features, on page 193. Application tier provides the report or query service to be provided using the cognos dispatcher that dispatches the code used to handle the dynamic request for the. This in turn would result in 40 data source connections. Software lifecycle when does ibm cognos bi support for. Cognos performance troubleshooting presenters james salmon marketing. In tuning settings we defined based on cores available from server maximum number of processes for the report service during nonpeak period. If you are in a position to reconfigure the server, you could try temporarily setting 0 high affinity connections and only having low affinity instead. Affinity between request and server ensures that requests are routed to an appropriate computer for processing. What is the difference between low affinity and high affinity connections.

Parallel execution of queries in cognos 10 doesnt work. Settings to adjust, establishing enough resources to handle concurrent user base 6432bit. Ibm understanding the performance impact of changes to. Save the file and restart the cognos bi service to make the changes take affect. Recommendation is to lower number of low affinity connections for the report service during peak period to 2 from default 4.

Learn about the best ibm cognos alternatives for your business intelligence bi software needs. Crn performance tuning web server databases free 30. This information explains how to view, edit, schedule, and distribute ibm cognos reports. Cognos connections are used to access reports, queries, analysis, and packages. The request has a high state of request affinity to ensure that it is routed to the same report service for additional rows of data load balancing the cognos 8 architecture is tuned to minimize dispatch time. Cognos performance troubleshooting pdf free download. Report servers accept low and high affinity connections to process requests from the batch report and report services. After reading these tricky cognos questions, you can easily attempt the objective type and multiple choice type questions on cognos. Each query execution helper results in an additional data source connection. Represents the number of threads allocated per bibus affinity connections are distinguished by transaction type low affinity connections e.

Change number of report processes low affinity connections in cognos connection to use more of the hardware with cognos bi. Ibm cognos business intelligence is a webbased integrated business intelligence suite by ibm. There are 2 report processes so the number of connections is 2 x 1 high affinity requests 2 connections 8 x 2 low affinity requests 16 connections 18 connections in total websphere liberty profile for 10. The parts of the cognos insight window 2 ibm cognos insight version 10. Connections 5 allows your organization to engage the right people, accelerate innovation and deliver results. Cognos cognos incorporated was an ottawa, ontariobased company making business intelligence bi and performance management pm software. Cognos will create large temporary files as part of the report process and. Based on cognos testing with cognos 8, a good starting point for high affinity connection handling is to set the high affinity connections setting to 1. Ibm connections is not ibm cognos connection lodestar. While ibm cognos comes in various shapes and sizes depending on the needs and size of the organization, in reality the bi and analytics platform is best suited to large corporations other, and possibly better options exist for many other businesses one only has to consider the modules offered under the cognos umbrella to see that it is best suited to the admin oriented focus of.

Determining when a data warehouse is needed, tackling bottlenecks, dynamic cubes and powercubes. Guidewire customers have the option to use the embedded cognos. Ibm cognos can handle a large volume of data and is suitable for medium and large enterprises to fulfil bi needs. The actions icon clicking the actions icon expands a menu that includes options to create, open, save, print, export, and close workspaces. A high affinity request can be processed using a low affinity connection if there. Number of low affinity connections for the report service during. Cognos interview questions what are the products of cognos. Set the maximum number of processes and connections.

Cognos 8 uses network capabilities such as loadbalancing routers to ensure that dispatchers and web gateways are evenly utilized. Defaults to 768mb, least amount of memory for fast startup. Dear readers, welcome to cognos interview questions with answers and explanation. For the report service, the batch report service, and the data movement service, you can set the maximum number of processes and the maximum number of high affinity and low affinity connections that the dispatcher can open to handle requests. A data source defines the physical connection to a database and different connection parameters. Founded in 1969, at its peak cognos employed almost 3,500 people and served more than 23,000 customers in over 5 countries until being acquired by ibm on january 31, 2008. These 20 solved cognos questions will help you prepare for technical interviews and online selection tests during campus placement for freshers and job interviews for professionals.

Effectively running ibm cognos bi for linux on z systems in a zvm. Implement global filters in multitabbed dashboards64 adding interactivity to pages and dashboards 64. Fyi, i logged this same question on the official ibm cognos forum site and was told by one of their legends he is that 10. Hi, how do we find if cognos servers is using all cores of windows server for report service and batch service. Lowaffinity connections are used to process lowaffinity requests. By default, ibm cognos software executes queries in a report sequentially. The five steps in the process are considered valid for bi software development projects. Ibm continues to add more and more features to an already great product with each release. For more information about affinity connections, please see appendix a list of affinity connections. Cognos sim is the current cognos development standard and is intended to replace the iterative. You can specify the maximum number of high affinity and low affinity connections that the dispatcher can open to handle requests. You can do this by setting advanced server properties for the report service, the batch report service, or both.

Also, i wanted to provide a link to our cognos club. Software interview questions artificial intelligence. Ensure that and antivirus software installed on the server has the cognos url as a trusted site, otherwise everything. Cognos bi is considered to be a 3tier architecture layout. Enterprise class soa platform architecture in ibm cognos. The cognos insight window includes the following parts.

Highaffinity connections are used to process absolute and highaffinity requests from the report services. Ibm c2090180 exam tutorial, c2090180 practice questions. Ibm cognos connection component supports a wide range of ibm cognos components, the availability of accessibility features varies by component within ibm cognos connection. You can specify the number of low and high affinity connections for the report service, the batch report service, and the data movement service using the following settings. The cancel operation is handled with a dedicated connection and does not have an affinity type. Concurrent query execution united states office of. You also need to consider why you are cancelling reports so much. Topics include the new interactive performance assistant v11, hardware and server specifics, failover and high availability, high and low affinity requests, overview of services, java heap. Sas, statistical analysis system, is an integrated set of software products. The cognos bi reporting tool allows to create a report for a set of users like power users, analysts, and business executives, etc. Ibm cognos dynamic query discover how cognos accelerates query performance. For example, a report service has four processes with two high affinity connections and two low affinity connections. See tips to improve your cognos v10 and v11 environment. High and low affinity is configurable many short running reports.

The other connections reference is ibm connections which ibm describes as such. Whereas, high affinity shows the threads that is required the console to set the connections according to the block title. They can also be used to create report shortcuts, urls and pages and to organize entries and they can also be customized for other use. This will result in competition for system resources, and requests will take longer to complete due to inefficient use of server resources. For more information about affinity connections, see the ibm cognos business intelligence architecture and deployment guide. You can manage the number of threads per ibm cognos bi reporting service process through the ibm cognos platform administration console by setting the number of high and lowaffinity connections. Ibm cognos analytics will cost different depending on what version of the software you are running. The software is intended to be deployed in numerous environments by businesses of all sizes with any budget. High affinity connections per report server process. For the agent, content manager, data movement, delivery, job, and report data services, you can set the maximum number of connections. If the number of affinity connections per process is set too high, the process may be overburdened with managing connections. I suggest you try this to see if it removes the problem. Dmr from relational jdbc connections very large data sets dynamic cubes.

Download latest actual prep material in vce or pdf format for ibm exam preparation. Ibm cognos bi uses the following types of affinity. Maximum number of processes for the report service during. It provides a toolset for reporting, analytics, scorecarding, and monitoring of events and metrics.

The default value is 0, meaning that the concurrent query execution disabled. Parallel execution of queries in cognos 10 doesnt work data. A high affinity request is a transaction that can gain a performance benefit from a previously. Enterprise class soa platform architecture in ibm cognos tutorial. While no longer an independent company, the cognos name continues to be. On 32bit windows, this number can be closer to 4000, but most operating system versions. By default, ibm cognos software executes queries in a report. Maximum number of processes and connections ibm knowledge. Affinity refers to whether a request is assigned to a specific server or whether a loadbalancing mechanism can assign it to another server. A low affinity request operates just as efficiently on any service. The software consists of several components designed to meet the different information requirements in. Click arrow to restore full control panel cognos 10. What are the main services provided by application tier.

Flexible financing terms are available for as low as 0% for 12 months. This special area on our website is 100% free and contains great info on cognos analytics, tm1, and many other items. The following figure displays the parts of the cognos insight window. Ibm cognos software ensures satisfaction and a successful business intelligence project that the organization will embrace and promote. If the maximum number of query execution helpers is set to 0 disabled, the maximum number of data source connections created by the report service is 16 two low affinity connections plus two high affinity connections plus.