hadoop-common-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-16150) checksumFS doesn't wrap concat(): concatenated files don't have checksums
Date Tue, 05 Mar 2019 18:58:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-16150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16784783#comment-16784783
] 

Hudson commented on HADOOP-16150:
---------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16132 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/16132/])
HADOOP-16150. Added concat method to ChecksumFS as unsupported (eyang: rev 3c5b7136e25d39a3c29cc2025dc8ae7b347f4db0)
* (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/ChecksumFileSystem.java
* (edit) hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/contract/localfs/TestLocalFSContractMultipartUploader.java


> checksumFS doesn't wrap concat(): concatenated files don't have checksums
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-16150
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16150
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 3.2.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>             Fix For: 3.3.0
>
>
> Followon from HADOOP-16107. FilterFS passes through the concat operation, and checksum
FS doesn't override that call -so files created through concat *do not have checksums*.
> If people are using a checksummed fs directly with the expectations that they will, that
expectation is not being met. 
> What to do?
> * fail always?
> * fail if checksums are enabled?
> * try and implement the concat operation from raw local up at the checksum level
> append() just gives up always; doing the same for concat would be the simplest. Again,
brings us back to "need a way to see if an FS supports a feature before invocation", here
checksum fs would reject append and concat



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

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


Mime
View raw message