Comments on: Top Ways How Not To Scale Your Data Warehouse http://structureddata.org/2008/04/28/top-ways-how-not-to-scale-your-data-warehouse/?utm_source=rss&utm_medium=rss&utm_campaign=top-ways-how-not-to-scale-your-data-warehouse Data, Databases, Performance & Scalability Sun, 13 May 2012 01:52:50 -0400 hourly 1 http://wordpress.org/?v=3.3.2 By: Kev Martin http://structureddata.org/2008/04/28/top-ways-how-not-to-scale-your-data-warehouse/#comment-208 Kev Martin Sun, 13 Sep 2009 15:08:44 +0000 http://structureddata.org/?p=63#comment-208 Nice article. I have been working on data warehousing projects. I refer the book from John Parades <a href="http://www.learn-oracle-olap.com/" rel="nofollow">The Multdimensional Data Modeling Toolkit: Making your Business Intelligence Applications Smart with Oracle OLAP</a>. This is a great resource and provides a pretty balanced treatment of OLAP, in terms of technical programming information versus data analysis. Nice article. I have been working on data warehousing projects. I refer the book from John Parades The Multdimensional Data Modeling Toolkit: Making your Business Intelligence Applications Smart with Oracle OLAP. This is a great resource and provides a pretty balanced treatment of OLAP, in terms of technical programming information versus data analysis.

]]> By: Happy Anniversary To The Structured Data Blog | Structured Data http://structureddata.org/2008/04/28/top-ways-how-not-to-scale-your-data-warehouse/#comment-207 Happy Anniversary To The Structured Data Blog | Structured Data Mon, 23 Feb 2009 15:00:26 +0000 http://structureddata.org/?p=63#comment-207 [...] Top Ways How Not To Scale Your Data Warehouse [...] [...] Top Ways How Not To Scale Your Data Warehouse [...]

]]> By: Greg Rahn http://structureddata.org/2008/04/28/top-ways-how-not-to-scale-your-data-warehouse/#comment-206 Greg Rahn Wed, 30 Apr 2008 18:45:26 +0000 http://structureddata.org/?p=63#comment-206 Ram- DML operations consume more CPU with compression but reading does not require much, if any, extra CPU, but it can significantly reduce the I/O bandwidth requirement. Don't forget, I/O calls take CPU as well. In a "write once, read many" environment, the benefits of compression can be significant. There is a reason that all data warehouse databases rely heavily on compression! See the documentation for the details of <a href="http://download.oracle.com/docs/cd/B28359_01/server.111/b28318/schema.htm#CNCPT1132" rel="nofollow">table compression</a>. Ram-

DML operations consume more CPU with compression but reading does not require much, if any, extra CPU, but it can significantly reduce the I/O bandwidth requirement. Don’t forget, I/O calls take CPU as well. In a “write once, read many” environment, the benefits of compression can be significant. There is a reason that all data warehouse databases rely heavily on compression!

See the documentation for the details of table compression.

]]> By: Ram http://structureddata.org/2008/04/28/top-ways-how-not-to-scale-your-data-warehouse/#comment-205 Ram Wed, 30 Apr 2008 18:21:49 +0000 http://structureddata.org/?p=63#comment-205 On compression: Wouldn't de-compression consume more CPU cycles, if lots of data is compressed and also the compressed data gets used? Thanks. On compression: Wouldn’t de-compression consume more CPU cycles, if lots of data is compressed and also the compressed data gets used? Thanks.

]]> By: » A nice article on DW worst practices http://structureddata.org/2008/04/28/top-ways-how-not-to-scale-your-data-warehouse/#comment-202 » A nice article on DW worst practices Wed, 30 Apr 2008 08:57:41 +0000 http://structureddata.org/?p=63#comment-202 [...] Top Ways How Not To Scale Your Data Warehouse [...] [...] Top Ways How Not To Scale Your Data Warehouse [...]

]]> By: Measuring Performance - The Problem « I’m just a simple DBA on a complex production system http://structureddata.org/2008/04/28/top-ways-how-not-to-scale-your-data-warehouse/#comment-204 Measuring Performance - The Problem « I’m just a simple DBA on a complex production system Wed, 30 Apr 2008 06:28:00 +0000 http://structureddata.org/?p=63#comment-204 [...] Greg Rahn at Structured Data wrote about data warehouse scalability.  This post is so good that I have no superlatives. Just go read it. Even if you don’t have data warehouse. Its a must. Possibly related posts: (automatically generated)Maintaining Database for Vendor Applications « I’m just a simpl…Is there a DBA in the development team? Posted in monitoring, musing | [...] [...] Greg Rahn at Structured Data wrote about data warehouse scalability.  This post is so good that I have no superlatives. Just go read it. Even if you don’t have data warehouse. Its a must. Possibly related posts: (automatically generated)Maintaining Database for Vendor Applications « I’m just a simpl…Is there a DBA in the development team? Posted in monitoring, musing | [...]

]]> By: The Tom Kyte Blog: How not to do it... http://structureddata.org/2008/04/28/top-ways-how-not-to-scale-your-data-warehouse/#comment-203 The Tom Kyte Blog: How not to do it... Tue, 29 Apr 2008 21:36:09 +0000 http://structureddata.org/?p=63#comment-203 [...] the same genre - we have “Top Ways How NOT To Scale Your Data Warehouse“. This comes from the Structured Data blog penned by Greg Rahn - that article as well as the [...] [...] the same genre – we have “Top Ways How NOT To Scale Your Data Warehouse“. This comes from the Structured Data blog penned by Greg Rahn – that article as well as the [...]

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