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From Christopher <ctubb...@apache.org>
Subject Re: LruBlockCache alternative
Date Sun, 03 Apr 2016 17:30:38 GMT
Thanks for the pointer!

On Sun, Apr 3, 2016, 12:08 Benjamin Manes <ben.manes@gmail.com> 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
>

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