Monday Jun 02, 2014

CMT Blog: Virtual IO gets better for LDoms

As we all know virtual IO is of great use in the IT environments of today but when it comes to performance we often have to pay the price.

In his Blog entry Improved vDisk Performance for Ldoms, Stefan Hinker explained how the new implementation of the vdisk/vds software stack in Solaris 11.1 SRU 19 (and a Solaris 10 patch sortly afterwards) significantly improves latency and throughput of the vitual disk IO.

WP: Oracle Multitenant on SuperCluster T5-8: Study of Database Consolidation Efficiency

Consolidation in the data center is the driving factor in reducing capital and operational expense in IT today. This is particularly relevant as customers invest more in cloud infrastructure and associated service delivery. Database consolidation is a strategic component in this effort.

Oracle Database 12 c introduces Oracle Multitenant , a new database consolidation model in which multiple Pluggable Databases (PDBs) are consolidated within a Container Database (CDB). While keeping many of the isolation aspects of single databases, it allows PDBs to share the system global area (SGA) and background processes of a common CDB .

The white paper recently published on OTN:

Oracle Multitenant on SuperCluster T5-8: Study of Database Consolidation Efficiency

analyzes and quantifies savings in compute resources, efficiencies in transaction processing, and consolidation density of Oracle Multitenant compared to consolidated single instance databases (SIDBs) running in a bare-metal environment.

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