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Re:Optimizing Linux Memory Management for Low-latency, High-... by pquerna on Wednesday October 09, 2013 @12:31AM (#6519404)
Cassandra binds to posix_fadvise to do exactly this when writing out new SSTables:

https://github.com/apache/cassandra/blob/trunk/src/java/org/...

Re:Optimizing Linux Memory Management for Low-latency, High-... by apurvamehta on Wednesday October 09, 2013 @12:46AM (#6519448)
Wow.. that's great to know. We will definitely investigate this approach. Thanks for sharing! :)