[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16293569#comment-16293569 ] Chris Douglas commented on HDFS-9806: - The merge vote [passed|https://s.apache.org/tqLt

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16288834#comment-16288834 ] genericqa commented on HDFS-9806: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote ||

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16287220#comment-16287220 ] genericqa commented on HDFS-9806: - | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote ||

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16118867#comment-16118867 ] Virajith Jalaparti commented on HDFS-9806: -- Hi [~mackrorysd], If this feature is i

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16118654#comment-16118654 ] Sean Mackrory commented on HDFS-9806: - Could someone more familiar with the design here

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16075157#comment-16075157 ] Virajith Jalaparti commented on HDFS-9806: -- An updated design document is attached

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958353#comment-15958353 ] Thomas Demoor commented on HDFS-9806: - We will post an updated design doc next week. Q

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15323433#comment-15323433 ] Virajith Jalaparti commented on HDFS-9806: -- Thanks [~ehiggs] (and, [~PieterReuse]

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15322378#comment-15322378 ] Ewan Higgs commented on HDFS-9806: -- Hi all. I worked with [~PieterReuse] and [~thodemoor]

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319050#comment-15319050 ] Zhe Zhang commented on HDFS-9806: - Another thought is, maybe we can leverage caching polici

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15315169#comment-15315169 ] Chris Douglas commented on HDFS-9806: - bq. How should we update the over-replication l

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15314609#comment-15314609 ] Zhe Zhang commented on HDFS-9806: - Thanks for posting the design and PoC [~chris.douglas]!

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15295776#comment-15295776 ] Chris Douglas commented on HDFS-9806: - Great questions. bq. the way we interpreted the

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15292968#comment-15292968 ] Thomas Demoor commented on HDFS-9806: - Thanks [~chris.douglas] for the architecture doc

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252320#comment-15252320 ] Zhe Zhang commented on HDFS-9806: - Thanks Chris, I think we were drafting comments at same

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252312#comment-15252312 ] Zhe Zhang commented on HDFS-9806: - Thanks [~cnauroth] for the discussion! Yes, HADOOP-12077

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252213#comment-15252213 ] Chris Douglas commented on HDFS-9806: - We started down that path, citing similar reason

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252105#comment-15252105 ] Chris Nauroth commented on HDFS-9806: - Hello [~zhz]. Have you seen HADOOP-12077? It's

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15250993#comment-15250993 ] Zhe Zhang commented on HDFS-9806: - Thanks [~chris.douglas] for proposing the work and [~vir

[jira] [Commented] (HDFS-9806) Allow HDFS block replicas to be provided by an external storage system

[ https://issues.apache.org/jira/browse/HDFS-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15145688#comment-15145688 ] Chris Douglas commented on HDFS-9806: - Obviously, we won't map all the semantics of HDF