Tag Archives: SAP BW
What is Data Temperature and How Does it Relate to Storage Tiers?
In my previous blog I briefly mentioned the term “data temperature.” But what exactly does this term mean? Picture yourself logging to your bank website to look for a transaction in your checking account. Very frequently you want to look for pending transactions and debits and credits that happened in the last 10 days. Frequently you need to look further, maybe one month statement, to search for a check that you don’t remember was for what. Maybe once in a quarter, you need to get information about a debit that happened three months ago, about a subscription of a new magazine that is not coming to your mailbox. And of course, once a year you check yearly statements for your tax return. Give or take a few other scenarios, I am pretty sure I covered most of your use cases, right? (more…)
Is Your SAP BW Ready for HANA? Consider Nearline or Archiving to Reduce Your Production Data Size
The buzzword of the 2012 SAP TechEd was HANA. All sessions were fully booked with long lines in the corridors with IT managers, developers, DBAs and BASIS administrators anticipating the miracles of memory computing performance.
I attended sessions about archiving, near-line and preparedness to uptake HANA. On the other hand, those sessions were almost empty, some having less than 10 people in the room. It makes me wonder: do people realize that HANA may be the future, but to be able to deploy it economically and practically, you need to manage the data volume in your current production environment? (more…)