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https://issues.apache.org/jira/browse/HADOOP-11557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14310474#comment-14310474
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Hadoop QA commented on HADOOP-11557:
------------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12697194/HADOOP-11557.001.patch
against trunk revision 8de80ff.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-common-project/hadoop-common.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/5624//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/5624//console
This message is automatically generated.
> ViewFileSystem should init mount points lazily
> ----------------------------------------------
>
> Key: HADOOP-11557
> URL: https://issues.apache.org/jira/browse/HADOOP-11557
> Project: Hadoop Common
> Issue Type: Improvement
> Components: viewfs
> Affects Versions: 2.6.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Attachments: HADOOP-11557.001.patch
>
>
> ViewFs initialization overhead can range from a couple to 10+ seconds
> linearly increasing with the number of mounted namespaces. Eager
> initialization is both expensive (especially when multiplied by MR tasks if
> viewfs is the defaultFS) and also provides for frustrating experience for
> users interactively working via FsShell with a single mount point (MP) under
> their user directory. Internal directories should not require MP
> initialization at all.
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