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Kihwal Lee edited comment on HDFS-12749 at 10/21/19 9:55 PM:
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I am very sorry
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Kihwal Lee updated HDFS-12749:
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Fix Version/s: 2.10.1
3.2.2
3.1.4
2.9.3
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Kihwal Lee updated HDFS-12749:
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Hadoop Flags: Reviewed
> DN may not send block report to NN after NN restart
>
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Kihwal Lee commented on HDFS-12749:
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I am very sorry this has fell through a crack.
+1 on the version
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Kihwal Lee commented on HDFS-14894:
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We could sort nodes based on the utilization, so that highly
Kihwal Lee created HDFS-14892:
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Summary: Close the output stream if createWrappedOutputStream()
fails
Key: HDFS-14892
URL: https://issues.apache.org/jira/browse/HDFS-14892
Project: Hadoop HDFS
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Kihwal Lee commented on HDFS-14878:
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Do you want to change pipeline recovery related log messages to
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Kihwal Lee commented on HDFS-14878:
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The default log level is INFO, so this is already visible to users
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Kihwal Lee commented on HDFS-14852:
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bq. Add a proper deletion check (block.isDeleted()) to
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Kihwal Lee commented on HDFS-14852:
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I don't think it is simply reproduced by deleting any missing
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Kihwal Lee commented on HDFS-14852:
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Deleted blocks are removed in {{scheduleReconstruction()}} when
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Kihwal Lee commented on HDFS-13959:
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We were seeing failures in branch-2. Cherry-picked it to
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Kihwal Lee updated HDFS-13959:
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Fix Version/s: 3.2.2
3.1.4
2.10.0
>
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Kihwal Lee commented on HDFS-14852:
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bq. maybe one block in two or more queues.
That is caused by
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Kihwal Lee commented on HDFS-14848:
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Throwing FileNotFoundException may not always be correct thing to
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Kihwal Lee commented on HDFS-12119:
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Is it same as HDFS-3457?
> Inconsistent "Number of
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Kihwal Lee commented on HDFS-14758:
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Make it as a namenode config with a default of 20 minutes.
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Kihwal Lee commented on HDFS-14758:
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Unconditionally calling recoverLease() on a failure will work when
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Kihwal Lee commented on HDFS-14771:
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[~sodonnell], thanks for the explanation. Sounds reasonable.
>
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Kihwal Lee commented on HDFS-14782:
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Doesn't the metasave command tell you enough information already?
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Kihwal Lee commented on HDFS-14771:
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FSImage format is changing. What is the compatibility story here?
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Kihwal Lee commented on HDFS-14563:
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Maintenance mode is different from other admin state. It has
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Kihwal Lee commented on HDFS-14588:
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bq.The issue we had in the past is the namenoderpcaddress being
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Kihwal Lee edited comment on HDFS-14563 at 6/19/19 8:27 PM:
{quote} It may
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Kihwal Lee commented on HDFS-14563:
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bq. It may make sense to have an API like \{{setNodeStatus(nodeId,
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Kihwal Lee commented on HDFS-14563:
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In your patch, the command can be undone if {{refreshNodes}} is
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Kihwal Lee updated HDFS-14563:
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Comment: was deleted
(was: | (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem ||
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Kihwal Lee updated HDFS-14563:
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Status: Open (was: Patch Available)
> Enhance interface about recommissioning/decommissioning
>
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Kihwal Lee commented on HDFS-14563:
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I am attaching an internal implementation of maintenance command
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Kihwal Lee updated HDFS-14563:
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Attachment: mt_mode-2.txt
> Enhance interface about recommissioning/decommissioning
>
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Kihwal Lee updated HDFS-14563:
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Attachment: (was: mt_mode-2.txt)
> Enhance interface about recommissioning/decommissioning
>
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Kihwal Lee updated HDFS-14563:
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Attachment: mt_mode-2.txt
> Enhance interface about recommissioning/decommissioning
>
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Kihwal Lee commented on HDFS-14579:
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Loading include/exclude causes lookups unless the host entries in
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Kihwal Lee commented on HDFS-14570:
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As another workaround, one can build a simple filter that rejects
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Kihwal Lee commented on HDFS-14579:
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{{node.getResolvedAddress()}} does not cause an actual look up.
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Kihwal Lee commented on HDFS-14575:
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Which branch did you see this? We've seen this before.
>
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Kihwal Lee commented on HDFS-14563:
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In our experience, decommissioning and adding new nodes are
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Kihwal Lee commented on HDFS-14532:
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Assuming 4 byte checksum per 512 byte data chunk, a 128kB checksum
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Kihwal Lee commented on HDFS-14531:
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One workaround is to disable DirectoryScanner by setting
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Kihwal Lee updated HDFS-14521:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.1.3
2.9.3
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Kihwal Lee edited comment on HDFS-14521 at 5/30/19 6:05 PM:
The logging was
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Kihwal Lee updated HDFS-14521:
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Summary: Suppress setReplication logging. (was: Suppress setReplication
logging while replaying
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Kihwal Lee commented on HDFS-14521:
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Changed it to debug.
> Suppress setReplication logging while
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Kihwal Lee updated HDFS-14521:
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Attachment: HDFS-14521-01.patch
> Suppress setReplication logging while replaying edits
>
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Kihwal Lee commented on HDFS-14521:
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No test. It is a log line change.
Failed tests are not related.
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Kihwal Lee updated HDFS-14521:
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Assignee: Kihwal Lee
Status: Patch Available (was: Open)
> Suppress setReplication logging
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Kihwal Lee updated HDFS-14521:
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Attachment: HDFS-14521.patch
> Suppress setReplication logging while replaying edits
>
Kihwal Lee created HDFS-14521:
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Summary: Suppress setReplication logging while replaying edits
Key: HDFS-14521
URL: https://issues.apache.org/jira/browse/HDFS-14521
Project: Hadoop HDFS
Issue
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Kihwal Lee commented on HDFS-6708:
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Namenode should support both format. The old format should be used
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Kihwal Lee commented on HDFS-6708:
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A user reports this issue in HDFS-14509.
> StorageType should be
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Kihwal Lee commented on HDFS-14509:
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It is caused by HDFS-6708. Are you seeing failures?
> DN throws
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Kihwal Lee commented on HDFS-14186:
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We probably want an ability to tell whether a block report has
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Kihwal Lee commented on HDFS-14496:
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If the bridge release is really happening, it makes sense to pull
Kihwal Lee created HDFS-14464:
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Summary: Remove unnecessary log message from DFSInputStream
Key: HDFS-14464
URL: https://issues.apache.org/jira/browse/HDFS-14464
Project: Hadoop HDFS
Issue Type:
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Kihwal Lee commented on HDFS-14434:
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We can have the client selectively change the query param to
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Kihwal Lee commented on HDFS-14443:
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{{msync()}} is a write op and it looks like read requests can
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Kihwal Lee reassigned HDFS-14434:
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Assignee: KWON BYUNGCHANG
> webhdfs that connect secure hdfs should not use user.name parameter
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Kihwal Lee commented on HDFS-14434:
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The changes in {{JspHelper}} looks good. IMO, it is better to
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Kihwal Lee commented on HDFS-14434:
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I should have clarified that the current code does validation
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Kihwal Lee edited comment on HDFS-14434 at 4/17/19 1:42 PM:
I think server
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Kihwal Lee commented on HDFS-14434:
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I think server should ignore the parameter, "user.name", if in
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Kihwal Lee commented on HDFS-14292:
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There was also an effort to make data transfer use http (by
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Kihwal Lee commented on HDFS-14158:
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[~tiwalter], I suggest take a look at the patch in HDFS-1572 and
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Kihwal Lee edited comment on HDFS-14158 at 1/16/19 2:44 PM:
Are you running
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Kihwal Lee commented on HDFS-14158:
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Are you running BackupNode? I has received little to no attention
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Kihwal Lee commented on HDFS-14186:
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bq. Do you know what's the issue with lifeline?
Lifeline is more
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Kihwal Lee commented on HDFS-14186:
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[~hexiaoqiao], one thing to note is that the rpc processing time
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Kihwal Lee edited comment on HDFS-14200 at 1/11/19 8:05 PM:
"expunge" is
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Kihwal Lee commented on HDFS-14200:
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"expunge" is simply doing what trash emptier is already doing. The
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Kihwal Lee commented on HDFS-14186:
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I think the safe mode extension was intended for this. Instead of
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Kihwal Lee commented on HDFS-14186:
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I think nodes are already not marked "dead" in the startup safe
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Kihwal Lee edited comment on HDFS-14186 at 1/7/19 3:57 PM:
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I think nodes are
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Kihwal Lee commented on HDFS-14081:
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{{metaSave()}} needs to be made to skip the parts that are
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Kihwal Lee commented on HDFS-14109:
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This has less to do with federation itself. Rather, it is more
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Kihwal Lee commented on HDFS-14109:
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I don't think it is a good idea. NN audit log is already huge and
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Kihwal Lee updated HDFS-14101:
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Labels: newbie (was: )
> Random failure of testListCorruptFilesCorruptedBlock
>
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Kihwal Lee updated HDFS-14101:
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Component/s: test
> Random failure of testListCorruptFilesCorruptedBlock
>
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Kihwal Lee commented on HDFS-14101:
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The test is very old, pre-2011, pre-git. The source of this bug
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Kihwal Lee commented on HDFS-14101:
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The test creates two files with random sizes. In a failed run, one
Kihwal Lee created HDFS-14101:
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Summary: Random failure of testListCorruptFilesCorruptedBlock
Key: HDFS-14101
URL: https://issues.apache.org/jira/browse/HDFS-14101
Project: Hadoop HDFS
Issue
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Kihwal Lee commented on HDFS-14081:
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This is not a problem. metasave is meaningful only on active
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Kihwal Lee commented on HDFS-13100:
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Is the patch working properly? We have a user who is running 2.7.3
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Kihwal Lee edited comment on HDFS-13904 at 9/7/18 8:35 PM:
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Your proposal
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Kihwal Lee commented on HDFS-13904:
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Your proposal sounds reasonable, although I wonder what is
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https://issues.apache.org/jira/browse/HDFS-13889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16603037#comment-16603037
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Kihwal Lee commented on HDFS-13889:
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Looks like a dupe of HDFS-12920
> The hadoop3.x client have
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https://issues.apache.org/jira/browse/HDFS-13889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee resolved HDFS-13889.
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Resolution: Duplicate
> The hadoop3.x client have compatible problem with hadoop2.x cluster
>
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https://issues.apache.org/jira/browse/HDFS-13671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16581525#comment-16581525
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Kihwal Lee commented on HDFS-13671:
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I've started working on the revert. So far in BlockManager, I had
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https://issues.apache.org/jira/browse/HDFS-13814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16576300#comment-16576300
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Kihwal Lee commented on HDFS-13814:
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+1. We have done the same thing internally for a custom monitoring
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https://issues.apache.org/jira/browse/HDFS-13775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16568303#comment-16568303
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Kihwal Lee commented on HDFS-13775:
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It could be meaningless if the host is running a caching daemon
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https://issues.apache.org/jira/browse/HDFS-13769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16558665#comment-16558665
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Kihwal Lee commented on HDFS-13769:
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bq. This seems to apply not only for trash dir, but also any
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https://issues.apache.org/jira/browse/HDFS-9260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16558382#comment-16558382
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Kihwal Lee commented on HDFS-9260:
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I propose revert of this. HDFS-13671 also reports about 4x slower
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https://issues.apache.org/jira/browse/HDFS-13751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee resolved HDFS-13751.
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Resolution: Invalid
> "hdfs dfs -du -h /*" shows local dir instead of HDFS dir
>
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https://issues.apache.org/jira/browse/HDFS-13306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16536464#comment-16536464
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Kihwal Lee commented on HDFS-13306:
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{{HttpFSServerWebApp}} implements {{ServerWebApp}}, which blows up
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https://issues.apache.org/jira/browse/HDFS-13306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16536462#comment-16536462
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Kihwal Lee commented on HDFS-13306:
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I've seen httpFs server not starting with the exactly same error.
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https://issues.apache.org/jira/browse/HDFS-13236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16531436#comment-16531436
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Kihwal Lee edited comment on HDFS-13236 at 7/3/18 1:58 PM:
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The "restart fails
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https://issues.apache.org/jira/browse/HDFS-13596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HDFS-13596:
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Target Version/s: 3.2.0, 3.1.1, 3.0.4
> NN restart fails after RollingUpgrade from 2.x to 3.x
>
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https://issues.apache.org/jira/browse/HDFS-13236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16531436#comment-16531436
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Kihwal Lee commented on HDFS-13236:
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The restart after upgrade issue is being addressed in HDFS-13596.
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https://issues.apache.org/jira/browse/HDFS-13671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16513915#comment-16513915
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Kihwal Lee commented on HDFS-13671:
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One more (big) reason to revert HDFS-9260?
> Namenode deletes
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https://issues.apache.org/jira/browse/HDFS-8865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16497961#comment-16497961
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Kihwal Lee commented on HDFS-8865:
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The memory overhead is very small compared to the memory required to
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https://issues.apache.org/jira/browse/HDFS-12749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16484503#comment-16484503
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Kihwal Lee commented on HDFS-12749:
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The patch looks good, but a test case would still be good. We can
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