Christopher Chelliah, general manager for Exadata and Appliance solutions, Oracle Asia Pacific, said the flash storage integration within the second iteration of Oracle's Exadata Database Machine eliminates the need to source data from storage disks and cuts query processing time significantly.

"Coupled with the hybrid columnar compression feature which groups data by column before compression, the flash storage can fit up to 50 terabytes of data," said Chelliah, as reported by IDG's John Mark V. Tuazon.

Integration of flash storage into the stack's central processing makes it ideal for OLTP (On-Line Transaction Processing) applications that only read small amounts of data, but do so repetitively. Addressing the growing volume of corporate data, which triples every two years, Chelliah said Oracle is helping solve bottleneck issues by integrating a Smart Scan feature in the storage drives, and by using transfer pipes with higher throughputs.

Smart Scan turns disk drives into intelligent storage by fitting in a query processing feature, Chelliah said, that looks specifically for the query request among all the disk arrays before sending it back, instead of transferring all the data up through the pipeline.

The Oracle executive said the new stack is using InfiniBand, a PCI card-based specialized cable which speeds transfer rates up to ten times.

"The key value proposition of Exadata V2 is being able to process data quickly," Chelliah remarked. "It eliminates the need to buy more storage to store more data, which can help companies save on costs."

Built using industry standard hardware components plus FlashFire technology from Sun, Oracle Database 11g Release 2 and Oracle Exadata Storage Server Software Release 11.2, the Sun Oracle Database Machine Version 2 is twice as fast as Version 1 for data warehousing. The predecessor uses an HP server.

Asked whether this will be the natural direction of future Oracle database releases following its recent acquisition of Sun, Chelliah remarked: "I have no comment on future directions of Oracle, but what I know is that future database releases are still going to use x86 and 64-bit versions."

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