Monthly Archives: January 2018

Technical Note: Understanding Performance in Oracle Active Data Guard Far Sync (Part One)

Technical Note: Understanding Performance in Oracle Active Data Guard Far Sync (Part One)

The quest for optimal performance is never-ending in the world of database administration. Axxana’s research team recently ran a series of tests on fine-tuning Oracle Active Data Guard Far Sync for optimal performance within the Phoenix for Oracle Far Sync environment. This Technical Note highlights the team’s findings related to I/O patterns and caching modes in Oracle Far Sync. It provides valuable insight into the way that different caching modes (cache=none and cache=writethrough) impact memory, CPU, and I/O requirements for the Far Sync environment. Findings are also relevant to customers tuning Far Sync in virtualized and non-virtualized environments.

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