hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Yuanbo Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11236) Erasure Coding cann't support appendToFile
Date Mon, 12 Dec 2016 09:49:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15741502#comment-15741502

Yuanbo Liu commented on HDFS-11236:

[~gehaijiang] Thanks for filing this JIRA.
To my knowledge, I don't think it's convenient for EC to support append operation,
since the block of EC file is divided into several cells which are distributed to different
I'd prefer marking this JIRA as "Won't fix"(If I'm wrong, please let me know)

> Erasure Coding cann't support appendToFile
> ------------------------------------------
>                 Key: HDFS-11236
>                 URL: https://issues.apache.org/jira/browse/HDFS-11236
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: gehaijiang
> hadoop 3.0.0-alpha1
> $  hdfs erasurecode -getPolicy /ectest/workers
> ErasureCodingPolicy=[Name=RS-DEFAULT-6-3-64k, Schema=[ECSchema=[Codec=rs-default, numDataUnits=6,
numParityUnits=3]], CellSize=65536 ]
> $  hadoop fs  -appendToFile  hadoop/etc/hadoop/httpfs-env.sh  /ectest/workers
> appendToFile: Cannot append to files with striped block /ectest/workers

This message was sent by Atlassian JIRA

To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org

View raw message