Facebook continued to pursue ways of making data storage more efficient with its release of a new version of Flashcache, with Production Database Engineer Domas Mituzas saying in a note on the Facebook Engineering page that the 3.x series boosted average hit rates from 60 percent to 80 percent and cut the social network’s disk operation rate nearly in half.
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Facebook’s new timeline profile took about six months to build, from the initial infrastructure-review meeting to successfully turning on the 100 percent back-end load test.