[ https://issues.apache.org/jira/browse/HDFS-7672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhe Zhang updated HDFS-7672: ---------------------------- Summary: Erasure Coding: consolidate streamer coordination logic and handle write failure when writing striped blocks (was: Erasure Coding: handle write failure for stripping coding blocks) > Erasure Coding: consolidate streamer coordination logic and handle write > failure when writing striped blocks > ------------------------------------------------------------------------------------------------------------ > > Key: HDFS-7672 > URL: https://issues.apache.org/jira/browse/HDFS-7672 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: hdfs-client > Reporter: Tsz Wo Nicholas Sze > Assignee: Tsz Wo Nicholas Sze > Fix For: HDFS-7285 > > Attachments: h7672_20150504.patch, h7672_20150504b.patch, > h7672_20150504c.patch, h7672_20150505.patch, h7672_20150505b.patch > > > In *stripping* case, for (6, 3)-Reed-Solomon, a client writes to 6 data > blocks and 3 parity blocks concurrently. We need to handle datanode or > network failures when writing a EC BlockGroup. > We also refactor the existing code in DFSStripedOutputStream and > StripedDataStreamer. -- This message was sent by Atlassian JIRA (v6.3.4#6332)