Oracle Bi Presentation Services Cache: Managing the Oracle BI Presentation Services Cache Settings.

Managing Performance Tuning and Query Caching - Oracle.

The Presentation Services cache is different from the cache that's accessed by the Oracle BI Server. You can change the defaults for the Presentation Services cache by modifying the instanceconfig.xml file to include the cache entries.It also describes the how to manage and use the query cache, a feature that enables the Oracle BI Server to save the results of a query in cache files and then reuse those results later when a similar query is requested. Using cache, the cost of database processing only needs to be paid once for a query, not every time the query is run.Business Intelligence Suite Enterprise Edition - Version 12.2.1.3.0 and later Information in this document applies to any platform. Goal. Is there a method to clear all the cache in the Presentation Server with a command line? This explains how to clear the OBIPS Cache with command line.

It also describes how to manage and use the query cache, a feature that enables the Oracle BI Server to save the results of a query in cache files and then reuse those results later when a similar query is requested. Using cache, the cost of database processing must be paid only once for a query, not every time the query is run.If you are running multiple instances of Oracle BI Presentation Services (either through replication or clustering) you need to add the following entries in the Oracle BI Presentation Services configuration file (instanceconfig.xml) to manage when the Presentation Catalog cache is to be updated from disk.

Check Bypass Oracle BI Presentation Services Cache When users access Answers to run queries, the Presentation Services caches the results of the queries. Presentation Services use the request key and the logical SQL string to determine if subsequent queries will use cached results.

The files for the cache are removed whenever Presentation Services shuts down cleanly. If Presentation Services shuts down unexpectedly, then various cache files might be left on disk. You can delete the files when Presentation Services is not running. The Presentation Services cache is not the same cache that is accessed by the Oracle BI Server.

Thus, even when the Oracle BI Presentation Server Cache is not actived, subsequent execution of the same Analysis maybe retrieved from the Oracle BI Presentation Server Cursor Cache which may often mislead the perception of cacheing. For the first execution of an Analysis a new Cursor and Cursor Cache maybe created eventually.

Managing the Oracle BI Presentation Services Cache Settings. 7.6.2.2 About Sharing the Presentation Services Query Cache. In God we trust, all others must bring data. W.E. Deming. Advertising. Helping teams, developers, project managers, directors, innovators and clients understand and implement data applications since 2009.

This is due to Presentation Server Cache. Eventhough we disable the BI Server cache, It doesnt make any effect on presentation Server objects. So in that situations we need to disable Presentation server cache permanently across OBI Application, To do this add the following parameters in instaceconfig.xml.

Developed Reports and Dashboards with different Analytics Views including Pivot Table, Chart, Gauges, Column Selector, and View Selector using Oracle BI Presentation Services.

Oracle BI Presentation Cache Management When users run analyses, Presentation Services can cache the results of those analyses. Presentation Services determines if subsequent analyses can use cached results. If the cache can be shared, then subsequent analyses are not stored.

The Oracle BI Server cache system reads rows from, or polls, the event table, extracts the physical table information from the rows, and purges stale cache entries that reference those physical tables.

OBIEE 12c: How to Clear the BI Presentation Service Cache.

The parameters in the Query Result Cache Section provide configuration information for Oracle BI Server caching. The query cache is enabled by default. After deciding on a strategy for flushing outdated entries, you should configure the cache storage parameters in Fusion Middleware Control and in the NQSConfig.INI file.

Bypass Oracle BI Presentation Services Cache — Use this box to specify whether you want the query to use the Oracle BI Presentation Services Cache. In general, you should avoid selecting this box as disabling the cache has potential performance degradation issues.

Installing the Oracle Business Intelligence Suite Enterprise Edition on Windows Purpose.. - Disk Space: 800 MB of hard disk space, plus appropriate disk space for cache storage and Scheduler results (temporary disk space of 2 GB) Oracle BI Presentation Services components:. Oracle BI Presentation Server, and Oracle BI Java Host should be.

The Oracle Business Intelligence Presentation Services provides the framework and interface for presentation of Business Intelligence data to web clients. It maintains a Presentation Catalog service on the file system for the customization of this presentation framework.

About the Oracle BI Server Query Cache.

Managing Performance Tuning and Query Caching - Oracle.

Understanding Oracle BI EE Presentation Server Cache(s.

OBIEE 12c: How to Clear the BI Presentation Service Cache.