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https://issues.apache.org/jira/browse/HDFS-2538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17022564#comment-17022564
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Stephen O'Donnell commented on HDFS-2538:
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We (Cloudera) are seeing a lot of problems with this change recently, now
clusters are starting to upgrade to the 3.x release branches. Users are finding
fsck times out when it did not before, and understandably have no idea why.
I think the simplest solution, is to switch the default back to printing the
dots, but offer a -quiet option to suppress them for those who know what they
are doing. As this will cause fsck to fail on large clusters, the quiet option
seems kind of pointless, so I am even inclined to suggest we simply revert this
change via a new Jira. Does anyone have any opinion on this approach (-quiet
switch or complete revert)?
I know there was some discussion in HDFS-7175, but no consensus was reached
there. Perhaps a compromise is to reduce the frequency of the dots to reduce
the overall output size.
[~arpaga] [~weichiu] may have some thoughts here too?
> option to disable fsck dots
> ----------------------------
>
> Key: HDFS-2538
> URL: https://issues.apache.org/jira/browse/HDFS-2538
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.2.0
> Reporter: Allen Wittenauer
> Assignee: Mohammad Islam
> Priority: Minor
> Labels: newbie
> Fix For: 3.0.0-alpha1
>
> Attachments: HDFS-2538-branch-0.20-security-204.patch,
> HDFS-2538-branch-0.20-security-204.patch, HDFS-2538-branch-1.0.patch,
> HDFS-2538-branch-2.7.patch, HDFS-2538.1.patch, HDFS-2538.2.patch,
> HDFS-2538.3.patch
>
>
> this patch turns the dots during fsck off by default and provides an option
> to turn them back on if you have a fetish for millions and millions of dots
> on your terminal. i haven't done any benchmarks, but i suspect fsck is now
> 300% faster to boot.
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