Build failed in Jenkins: Hadoop-Hdfs-0.23-Build #709

See Changes: [jeagles] HDFS-4329. DFSShell issues with directories with spaces in name (Cristina L. Abad via jeagles) -- [...truncated 7673 lines...] [ERROR] location: package com.google.p

Hadoop-Hdfs-0.23-Build - Build # 709 - Still Failing

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[jira] [Created] (HDFS-5129) JournalNode should also respect DFS_WEB_AUTHENTICATION_KERBEROS_KEYTAB_KEY as NN and SNN

Kai Zheng created HDFS-5129: --- Summary: JournalNode should also respect DFS_WEB_AUTHENTICATION_KERBEROS_KEYTAB_KEY as NN and SNN Key: HDFS-5129 URL: https://issues.apache.org/jira/browse/HDFS-5129 Project: H

[jira] [Resolved] (HDFS-5129) JournalNode should also respect DFS_WEB_AUTHENTICATION_KERBEROS_KEYTAB_KEY as NN and SNN

[ https://issues.apache.org/jira/browse/HDFS-5129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Kai Zheng resolved HDFS-5129. - Resolution: Duplicate Duplicate of HDFS-5091. Support for spnego keytab separate from the JournalNode key

hsync is too slower than hflush

Hi, all. Hadoop support hsync which would call fsync of system after 2.0.2. I have tested the performance of hsync() and hflush() again and again, but I found that the hsync call() everytime would spent nearly 50ms while the hflush call() just spent 2ms. In this slide(http://www.slideshare.net/