[ https://issues.apache.org/jira/browse/HDFS-2246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Purtell updated HDFS-2246: --------------------------------- Attachment: 0001-HDFS-347.-Local-reads.patch Attached is an 0.20-ish patch ported from our production tree to an ASF derivative: https://github.com/trendmicro/hadoop-common/tree/0.20-security-append-HDFS-347 (The 0.20-security-append tree, based on security-204, is here: https://github.com/trendmicro/hadoop-common/tree/0.20-security-append) The attached patch is this change: https://github.com/trendmicro/hadoop-common/commit/18971523a9260acbe920c3da0c5a2623eacec1d2 This was initially Ryan Rawson's patch for 0.20-append on HDFS-347, later merged with the checksumming improvements from Facebook, and merged with our enhancements and fixups for security and metrics v2. It includes a new metric for the number of times clients successful get a local path to block data. > Shortcut a local client reads to a Datanodes files directly > ----------------------------------------------------------- > > Key: HDFS-2246 > URL: https://issues.apache.org/jira/browse/HDFS-2246 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Sanjay Radia > Attachments: 0001-HDFS-347.-Local-reads.patch > > -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira