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Kihwal Lee commented on HDFS-12643:
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Probably the missing information is that the cluster nodes need to
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Kihwal Lee updated HDFS-16198:
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Fix Version/s: 2.10.2
> Short circuit read leaks Slot objects when InvalidToken exception is thrown
>
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Kihwal Lee commented on HDFS-16198:
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Cherry-picked to branch-2.10.
> Short circuit read leaks Slot
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Kihwal Lee commented on HDFS-16164:
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Maybe you can accomplish what you want with ACL.
> Configuration
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Kihwal Lee commented on HDFS-16134:
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[~daryn]
> Optimize RPC throughput
> ---
>
>
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Kihwal Lee updated HDFS-16127:
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Fix Version/s: 3.3.2
3.2.3
3.4.0
Hadoop Flags: Reviewed
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Kihwal Lee commented on HDFS-16127:
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There is no unit test in the patch. It isn't easy to instrument
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Kihwal Lee updated HDFS-16127:
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Attachment: HDFS-16127.patch
> Improper pipeline close recovery causes a permanent write failure or
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Kihwal Lee updated HDFS-16127:
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Status: Patch Available (was: Open)
> Improper pipeline close recovery causes a permanent write
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Kihwal Lee reassigned HDFS-16127:
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Assignee: Kihwal Lee
> Improper pipeline close recovery causes a permanent write failure or
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Kihwal Lee commented on HDFS-16127:
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The proposed solution is to check the size of {{ackQueue}} when
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Kihwal Lee commented on HDFS-16127:
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*How the bug manifests*
In DataStreamer thread's main loop, it
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Kihwal Lee updated HDFS-16127:
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Description: When a block is being closed, the data streamer in the client
waits for the final ACK to
Kihwal Lee created HDFS-16127:
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Summary: Improper pipeline close recovery causes a permanent write
failure or data loss.
Key: HDFS-16127
URL: https://issues.apache.org/jira/browse/HDFS-16127
Project:
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Kihwal Lee resolved HDFS-16123.
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Resolution: Invalid
> NameNode standby checkpoint is abnormal, because the data disk is full, even
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Kihwal Lee commented on HDFS-16124:
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Namenodes do not automatically restore failed storage directories
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Kihwal Lee commented on HDFS-16117:
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Traditionally audit log format changes have been marked
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Kihwal Lee updated HDFS-16117:
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Hadoop Flags: Incompatible change
> Add file count info in audit log to record the file count for
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Kihwal Lee edited comment on HDFS-13671 at 6/18/21, 3:30 PM:
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EOL does not
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Kihwal Lee commented on HDFS-13671:
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EOL does not mean no more commits. you can still commit stuff.
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Kihwal Lee updated HDFS-15618:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
I've committed this to branch-2.10.
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Kihwal Lee updated HDFS-15618:
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Fix Version/s: 2.10.2
> Improve datanode shutdown latency
> -
>
>
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Kihwal Lee commented on HDFS-15618:
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+1 The 2.10 patch looks good. Thanks, Ahmed for working on the
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Kihwal Lee commented on HDFS-15963:
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I've looked at heap dumps and confirm the analysis by
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Kihwal Lee commented on HDFS-15963:
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We hit this in 2.10 recently. I've cherry-picked it to branch-2.10
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Kihwal Lee updated HDFS-15963:
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Fix Version/s: 2.10.2
> Unreleased volume references cause an infinite loop
>
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Kihwal Lee commented on HDFS-13671:
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Thanks for sharing the test result, [~huanghaibin]. I am still
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Kihwal Lee commented on HDFS-16042:
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It is not related to any incident. Since the default interval is
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Kihwal Lee resolved HDFS-16034.
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Resolution: Incomplete
> Disk failures exceeding the DFIP threshold do not shutdown datanode
>
Kihwal Lee created HDFS-16034:
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Summary: Disk failures exceeding the DFIP threshold do not
shutdown datanode
Key: HDFS-16034
URL: https://issues.apache.org/jira/browse/HDFS-16034
Project: Hadoop HDFS
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https://issues.apache.org/jira/browse/HDFS-8224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17315771#comment-17315771
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Kihwal Lee commented on HDFS-8224:
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If you are sure the data block is not corrupt, you can use {{hdfs
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Kihwal Lee edited comment on HDFS-15901 at 3/19/21, 2:18 PM:
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[~jianghuazhu],
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Kihwal Lee commented on HDFS-15901:
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[~jianghuazhu], when it happens again, take a look at the
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Kihwal Lee commented on HDFS-15901:
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bq. look forward to your new block report flow control system, Do
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Kihwal Lee commented on HDFS-15868:
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It is a good change. It was probably neglected during the design
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Kihwal Lee edited comment on HDFS-15901 at 3/18/21, 10:32 PM:
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The block
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Kihwal Lee commented on HDFS-15901:
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The block report lease feature is supposed to improve this, but it
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Kihwal Lee commented on HDFS-15837:
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The successful pipeline update with 3072 bytes was at 03:42:40.
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Kihwal Lee commented on HDFS-15837:
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What is the version of Hadoop you are using? We've seen similar
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Kihwal Lee resolved HDFS-15825.
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Resolution: Invalid
> Using a cryptographically weak Pseudo Random Number Generator (PRNG)
>
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Kihwal Lee commented on HDFS-15825:
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[~Vicky Zhang], if you want to scan the code base, please do not
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Kihwal Lee resolved HDFS-15824.
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Resolution: Invalid
> Update to enable TLS >=1.2 as default secure protocols
>
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Kihwal Lee commented on HDFS-15824:
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[~Vicky Zhang] This is from an old branch that has been EOL'ed
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Kihwal Lee commented on HDFS-15822:
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Hedged read has been known to be buggy. When there is an exception
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Kihwal Lee commented on HDFS-15813:
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+1. Unit test failures seem unrelated. If you can't find existing
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Kihwal Lee edited comment on HDFS-15813 at 2/3/21, 5:19 PM:
As for the safety
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Kihwal Lee updated HDFS-12763:
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Resolution: Duplicate
Status: Resolved (was: Patch Available)
> DataStreamer should heartbeat
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Kihwal Lee commented on HDFS-15813:
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As for the safety of the change, I feel confident since this has
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Kihwal Lee updated HDFS-15799:
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Fix Version/s: 3.2.3
3.4.0
3.3.1
Hadoop Flags: Reviewed
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Kihwal Lee commented on HDFS-15799:
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+1 lgtm. The failed tests don't seem related to the patch.
> Make
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Kihwal Lee commented on HDFS-15789:
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This is a safe change.
The FSN lock is only protecting NN
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Kihwal Lee commented on HDFS-10498:
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+1
> Intermittent test failure
>
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Kihwal Lee edited comment on HDFS-15794 at 1/27/21, 4:58 PM:
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{quote}The
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Kihwal Lee commented on HDFS-15794:
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{quote}The problem here is that when the NameNode is blocked in
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Kihwal Lee commented on HDFS-15755:
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I tried to add powermock a long time ago in HADOOP-7537 and
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Kihwal Lee commented on HDFS-15725:
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+1
> Lease Recovery never completes for a committed block which
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Kihwal Lee commented on HDFS-15727:
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Standby namenode replays edits with the name system write lock
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Kihwal Lee reassigned HDFS-15726:
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Assignee: Ahmed Hussein
> Client should only complete a file if the last block is finalized
>
Kihwal Lee created HDFS-15726:
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Summary: Client should only complete a file if the last block is
finalized
Key: HDFS-15726
URL: https://issues.apache.org/jira/browse/HDFS-15726
Project: Hadoop HDFS
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Kihwal Lee commented on HDFS-15725:
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We have seen certain version of clients closing without completely
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Kihwal Lee edited comment on HDFS-15725 at 12/10/20, 7:43 PM:
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We have seen
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Kihwal Lee edited comment on HDFS-15725 at 12/10/20, 7:42 PM:
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We have seen
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Kihwal Lee commented on HDFS-15725:
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We have seen this more with later versions of clients. The
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Kihwal Lee updated HDFS-15725:
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Attachment: lease_recovery_2_10.patch
> Lease Recovery never completes for a committed block which the
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Kihwal Lee updated HDFS-15622:
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Fix Version/s: 3.2.3
3.1.5
3.3.1
Hadoop Flags: Reviewed
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Kihwal Lee updated HDFS-15622:
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Fix Version/s: 3.4.0
> Deleted blocks linger in the replications queue
>
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Kihwal Lee commented on HDFS-15622:
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+1 on version 2 of the patch.
> Deleted blocks linger in the
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Kihwal Lee updated HDFS-15618:
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Hadoop Flags: Reviewed
Resolution: Fixed
Status: Resolved (was: Patch Available)
I've
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Kihwal Lee updated HDFS-15618:
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Fix Version/s: 3.2.3
3.1.5
> Improve datanode shutdown latency
>
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Kihwal Lee updated HDFS-15618:
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Fix Version/s: 3.3.1
> Improve datanode shutdown latency
> -
>
>
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Kihwal Lee commented on HDFS-15618:
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I've committed this to trunk, but the patch does not work in
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Kihwal Lee updated HDFS-15618:
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Fix Version/s: 3.4.0
> Improve datanode shutdown latency
> -
>
>
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Kihwal Lee commented on HDFS-15618:
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+1 the version 4 of the patch looks good.
> Improve datanode
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Kihwal Lee commented on HDFS-15622:
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The patch looks good. the only minor nit is the name of one of the
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Kihwal Lee edited comment on HDFS-14941 at 10/19/20, 9:17 PM:
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Filed
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Kihwal Lee commented on HDFS-15628:
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I've committed this to trunk, branch-3.3, branch-3.2 and
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Kihwal Lee updated HDFS-15628:
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Fix Version/s: 3.1.5
> HttpFS server throws NPE if a file is a symlink
>
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Kihwal Lee updated HDFS-15627:
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Fix Version/s: 3.2.3
3.1.5
3.4.0
3.3.1
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Kihwal Lee updated HDFS-15627:
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Summary: Audit log deletes before collecting blocks (was: Audit log
deletes after edit is written)
>
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Kihwal Lee commented on HDFS-15627:
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+1 lgtm
> Audit log deletes after edit is written
>
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Kihwal Lee commented on HDFS-15618:
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It can be as fancy as adding a builder method for setting it (for
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Kihwal Lee commented on HDFS-15618:
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In production, there is no harm in exiting after waiting for 5
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Kihwal Lee updated HDFS-15628:
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Fix Version/s: 3.2.3
> HttpFS server throws NPE if a file is a symlink
>
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Kihwal Lee updated HDFS-15628:
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Fix Version/s: 3.4.0
3.3.1
Hadoop Flags: Reviewed
Resolution: Fixed
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Kihwal Lee updated HDFS-15628:
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Summary: HttpFS server throws NPE if a file is a symlink (was: https
throws NPE if a file is a
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Kihwal Lee commented on HDFS-15628:
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+1 LGTM. We've been running the same server-side change for over 2
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Kihwal Lee commented on HDFS-15618:
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The patch looks okay. Although it is better than the previous
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Kihwal Lee commented on HDFS-15581:
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I've committed this to trunk, branch-3.3 and branch-3.2. Thanks
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Kihwal Lee updated HDFS-15581:
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Fix Version/s: 3.4.0
3.3.1
3.2.2
Hadoop Flags: Reviewed
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Kihwal Lee commented on HDFS-15581:
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+1 The patch looks good. The documentation in
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Kihwal Lee commented on HDFS-15581:
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[~sodonnell], [~richard-ross] has already posted a patch. Are you
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Kihwal Lee reassigned HDFS-15581:
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Assignee: Richard
> Access Controlled HTTPFS Proxy
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Kihwal Lee moved HADOOP-17264 to HDFS-15581:
Component/s: (was: httpfs)
httpfs
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Kihwal Lee commented on HDFS-15553:
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It is fine to reorder user requests in general. As [~suxingfate]
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Kihwal Lee commented on HDFS-15474:
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I believe the token ops are not implemented by HttpFS. They are
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https://issues.apache.org/jira/browse/HDFS-15421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17143880#comment-17143880
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Kihwal Lee commented on HDFS-15421:
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Patch 004 looks good to me. +1.
> IBR leak causes standby NN to
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Kihwal Lee commented on HDFS-15421:
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Thanks, [~aajisaka] for the patch. I will also have a look soon.
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Kihwal Lee updated HDFS-15422:
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Description:
When queueing an IBR (incremental block report) on a standby namenode, some of
the
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Kihwal Lee commented on HDFS-15422:
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The fix is simple.
{code}
@@ -2578,10 +2578,7 @@ private
Kihwal Lee created HDFS-15422:
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Summary: Reported IBR is partially replaced with stored info when
queuing.
Key: HDFS-15422
URL: https://issues.apache.org/jira/browse/HDFS-15422
Project: Hadoop HDFS
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