[jira] Commented: (HDFS-918) Use single Selector and small thread pool to replace many instances of BlockSender for reads

[ https://issues.apache.org/jira/browse/HDFS-918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12976304#action_12976304 ] Edward Capriolo commented on HDFS-918: -- Fundamentally using selectors is more efficient

[jira] Commented: (HDFS-457) better handling of volume failure in Data Node storage

[ https://issues.apache.org/jira/browse/HDFS-457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740987#action_12740987 ] Edward Capriolo commented on HDFS-457: -- Also , I just ran into this . One of my disks fa