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Allen Wittenauer updated HDFS-7142: ----------------------------------- Labels: BB2015-05-TBR (was: ) > Implement a 2Q eviction strategy for HDFS-6581 > ---------------------------------------------- > > Key: HDFS-7142 > URL: https://issues.apache.org/jira/browse/HDFS-7142 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: datanode > Affects Versions: 2.7.0 > Reporter: Colin Patrick McCabe > Assignee: Colin Patrick McCabe > Labels: BB2015-05-TBR > Attachments: 0002-Add-RamDiskReplica2QTracker.patch, > HDFS-7142.003.patch > > > We should implement a 2Q or approximate 2Q eviction strategy for HDFS-6581. > It is well known that LRU is a poor fit for scanning workloads, which HDFS > may often encounter. -- This message was sent by Atlassian JIRA (v6.3.4#6332)