[jira] [Updated] (HDFS-7142) Implement a 2Q eviction strategy for HDFS-6581
[ https://issues.apache.org/jira/browse/HDFS-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Junping Du updated HDFS-7142: - Labels: (was: BB2015-05-TBR) > 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
[jira] [Updated] (HDFS-7142) Implement a 2Q eviction strategy for HDFS-6581
[ 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
[jira] [Updated] (HDFS-7142) Implement a 2Q eviction strategy for HDFS-6581
[ https://issues.apache.org/jira/browse/HDFS-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] 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)
[jira] [Updated] (HDFS-7142) Implement a 2Q eviction strategy for HDFS-6581
[ https://issues.apache.org/jira/browse/HDFS-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Colin Patrick McCabe updated HDFS-7142: --- Attachment: HDFS-7142.003.patch 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 Reporter: Colin Patrick McCabe Assignee: Colin Patrick 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)
[jira] [Updated] (HDFS-7142) Implement a 2Q eviction strategy for HDFS-6581
[ https://issues.apache.org/jira/browse/HDFS-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Colin Patrick McCabe updated HDFS-7142: --- Status: Patch Available (was: In Progress) 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 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)
[jira] [Updated] (HDFS-7142) Implement a 2Q eviction strategy for HDFS-6581
[ https://issues.apache.org/jira/browse/HDFS-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Colin Patrick McCabe updated HDFS-7142: --- Target Version/s: 2.7.0 Affects Version/s: 2.7.0 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 Patrick McCabe Assignee: Colin Patrick 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)
[jira] [Updated] (HDFS-7142) Implement a 2Q eviction strategy for HDFS-6581
[ https://issues.apache.org/jira/browse/HDFS-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Colin Patrick McCabe updated HDFS-7142: --- Attachment: 0002-Add-RamDiskReplica2QTracker.patch 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 Reporter: Colin Patrick McCabe Assignee: Colin Patrick McCabe Attachments: 0002-Add-RamDiskReplica2QTracker.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)
