[ https://issues.apache.org/jira/browse/HDFS-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Junping Du updated HDFS-7142: ----------------------------- Target Version/s: (was: 2.8.0) > 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 P. McCabe > Assignee: Colin P. McCabe > 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) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org