data may be update in the IMDB Cache or in the Oracle database and the update is propagated automatically from the database to the cache and vice versa.
Each time a cached
page is requested, users are served by the cache servers thereby off-loading traffic from the application tier.
In single controller array configurations, there is no dependable cache recovery mechanism that protects cached
writes against controller failures.
0 introduces DSS which allows applications to identify part or all of an existing corporate database to be cached
in the middle tier.
Three cache modes are available for each cached
storage device: write-through, write back and read-ahead.
But unlike Web caching devices, the cached
data is live, writable and coherently sharable with Tacit caching devices located in authorized remote locations.
Enterprise customers deploying EMC, HDS, Sun, HP, and other high-end cached
storage arrays that feature large cache front-ends will immediately recognize the value of WhatsHot.