[jira] [Commented] (SPARK-17951) BlockFetch with multiple threads slows down after spark 1.6

2016-10-15 Thread ding (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15578987#comment-15578987 ] ding commented on SPARK-17951: -- I tried to call rdd.collect which internally called bm.getRe

[jira] [Commented] (SPARK-17951) BlockFetch with multiple threads slows down after spark 1.6

2016-10-15 Thread Sean Owen (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-17951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15577637#comment-15577637 ] Sean Owen commented on SPARK-17951: --- I'm not sure this suggests a problem with Spark. I