Oracle In-Memory Apps: Hunting Hana
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User Rank: Strategist
4/12/2013 | 9:08:30 PM
re: Oracle In-Memory Apps: Hunting Hana
When trying to compare the value of dissimilar systems, the best information comes from customers talking about how their applications run, not from the vendors. Doug has brought out the best customer information available to him. It's not conclusive but it is indicative. Usually journalists' attempts to do performance comparisons fall before a volley of criticism that they hasn't been done correctly. But there isn't "correct" information available, only the anecdotes and best estimates of customers. Charlie Babcock, editor at large, InformationWeek
D. Henschen
D. Henschen,
User Rank: Author
4/11/2013 | 8:20:38 PM
re: Oracle In-Memory Apps: Hunting Hana
The key architectural difference is that true in-memory eliminates indexes, materialized views, caching and other redundant copies of data. Maple Leaf says that 5 terabytes stored in Oracle collapses down to 1 TB in Hana. On the other hand, DRAM is more expensive than disk, so Maple Leaf is being selective about what it puts in Hana.

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