Thanks for the pointer! On Sun, Apr 3, 2016, 12:08 Benjamin Manes <[email protected]> wrote:
> Hi, > > I noticed that Accumulo's LruBlockCache [1] appears to be based on HBase's. > I currently have a patch being reviewed in HBASE-15560 [2] that replaces > the pseudo Segmented LRU with the TinyLFU eviction policy. That should > allow the cache to make better predictions based on frequency and recency, > such as improved scan resistance. Full details are in the JIRA ticket. I > think it should be easy to port if there is interest. > > Cheers, > Ben > > [1] > > https://github.com/apache/accumulo/blob/master/core/src/main/java/org/apache/accumulo/core/file/blockfile/cache/LruBlockCache.java > [2] https://issues.apache.org/jira/browse/HBASE-15560 >
