Associated issue: https://issues.apache.org/jira/browse/ACCUMULO-4177
> -----Original Message----- > From: Christopher [mailto:[email protected]] > Sent: Sunday, April 03, 2016 1:31 PM > To: [email protected] > Subject: Re: LruBlockCache alternative > > 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 > >
