Essbase – Page 8 – Oracle EPM/BI
The Data File Cache is not used if the database is buffered rather than direct I/O (Check the “Storage” tab). Since all Planning databases are buffered, and most customers use buffered for native Essbase applications too, this cache setting is usually not relevant. The Data Cache is the setting that matters in most cases (see below). Hyperion Starters Blog: Hyperion Essbase Knowledge Base Data File Cache: Min - Direct I/O: 10240 KB(10485760 bytes) Default -Direct I/O: 32768 KB(33554432 bytes) Opt -Combined size of all essn.pag files, if possible; otherwise as large as possible.This cache setting not used if Essbase is set to use buffered I/O. Database Level Permission & FILTER In Hyperion EssBase
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EPM and OBIEE: Hyperion FAQs
Buffered I/O means the data for the I/O gets buffered or stored in some fast temporary storage, and gathered there for a while, before the I/O is actually done on the storage device. Usually the I/O is done in bulk in this case. Unbuffered I/O mea
EPM and OBIEE: Hyperion FAQs Data File Cache: Min - Direct I/O: 10240 KB(10485760 bytes) Default -Direct I/O: 32768 KB(33554432 bytes) Opt -Combined size of allessn.pag files, if possible; otherwise as large as possible.This cache setting not used if Essbase is set to use buffered I/O. HyperionFollower: Essbase Server and Application Logs Next, Essbase Server writes information about the blocks in the database, including the block size, the number of declared and possible blocks, and the number of blocks needed to perform calculations (you can use this information to estimate the retrieval performance for members of sparse dimensions tagged as Dynamic Calc) to the application Essbase – The EPM Lab Back to March 17th, 2017, the Saint Patrick’s Day, Oracle released Essbase Cloud Service as part of Oracle Analytics Cloud (OAC). Well, Oracle likes to release new cloud products on holidays. Lol. I remember Oracle released PBCS on February 14th, 2014, Valentine’s day. I have a related post on the Essbase Cloud releasing… Essbase Articles - Perficient Blogs