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Todd Lipcon commented on HDFS-916:
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I doubt anyone is working on this at this point (I certainly am not,
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Todd Lipcon commented on HDFS-12046:
What does the assembly look like for the ISAL variiant? Is it
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Todd Lipcon commented on HDFS-14531:
It seems the DirectoryScanner serves two purposes: (1) detect
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Todd Lipcon resolved HDFS-14535.
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.3.0
> The default 8KB buffer
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Todd Lipcon commented on HDFS-14535:
bq. OK, I considered something wrong here. It's a big HFile and
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Todd Lipcon commented on HDFS-14535:
+1, Seems like an improvement to me. One thing I wonder, though
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Todd Lipcon updated HDFS-14482:
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Affects Version/s: 3.3.0
Fix Version/s: 3.3.0
> Crash when using libhdfs with bad classpath
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Todd Lipcon resolved HDFS-14482.
Resolution: Fixed
> Crash when using libhdfs with bad classpath
>
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Todd Lipcon commented on HDFS-14482:
Seems the 'if (!state->env)' check just needs to be moved up
Todd Lipcon created HDFS-14482:
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Summary: Crash when using libhdfs with bad classpath
Key: HDFS-14482
URL: https://issues.apache.org/jira/browse/HDFS-14482
Project: Hadoop HDFS
Issue Type: Bug
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Todd Lipcon commented on HDFS-12628:
[~joemcdonnell] I tried running your test program against Hadoop
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Todd Lipcon updated HDFS-14417:
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Component/s: performance
> CryptoInputStream decrypt methods can avoid usage of intermediate buffers
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Todd Lipcon updated HDFS-14394:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.3.0
Status: Resolved
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Todd Lipcon commented on HDFS-14394:
One more piece of related info here is that the concern about
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Todd Lipcon commented on HDFS-14394:
BTW I should have said I'm +1 on this patch. I'll commit unless
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Todd Lipcon commented on HDFS-14394:
I'm pretty certain that depending on GNU extensions to the C
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Todd Lipcon commented on HDFS-14394:
yea, looks like GCC5 turns on C99 mode by default. Tested gcc
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Todd Lipcon updated HDFS-14304:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.3.0
Status: Resolved
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Todd Lipcon updated HDFS-14348:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.3.0
Status: Resolved
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Todd Lipcon commented on HDFS-13616:
Another data point here: this would be very useful for the Hive
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Todd Lipcon commented on HDFS-14111:
BTW does this also end up fixing HDFS-14083 along the way? It
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Todd Lipcon commented on HDFS-14111:
{quote}
jthr = newJavaStr(env, "in:readbytebuffer", );
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Todd Lipcon updated HDFS-14083:
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Component/s: (was: test)
libhdfs
> libhdfs logs errors when opened FS doesn't
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Todd Lipcon commented on HDFS-14083:
{quote}
if (errno != 0) {
file->flags &=
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Todd Lipcon commented on HDFS-14111:
Thanks for the links to those other initiatives, Steve. I think,
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Todd Lipcon commented on HDFS-14111:
[~ste...@apache.org] would be curious on your take on this.
Todd Lipcon created HDFS-14111:
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Summary: hdfsOpenFile on HDFS causes unnecessary IO from file
offset 0
Key: HDFS-14111
URL: https://issues.apache.org/jira/browse/HDFS-14111
Project: Hadoop HDFS
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Todd Lipcon resolved HDFS-10369.
Resolution: Invalid
You're mallocing a buffer of 5 bytes here, seems your C code is just broken.
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Todd Lipcon commented on HDFS-13826:
Thanks for pointing me at Dynamometer. That's quite interesting
Todd Lipcon created HDFS-13826:
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Summary: Add a hidden configuration for NameNode to generate fake
block locations
Key: HDFS-13826
URL: https://issues.apache.org/jira/browse/HDFS-13826
Project: Hadoop
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Todd Lipcon updated HDFS-13747:
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Tags: (was: newbie)
> Statistic for list_located_status is incremented incorrectly by
>
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Todd Lipcon updated HDFS-13747:
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Description: The DirListingIterator constructor calls
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Todd Lipcon updated HDFS-13747:
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Labels: newbie (was: )
> Statistic for list_located_status is incremented incorrectly by
>
Todd Lipcon created HDFS-13747:
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Summary: Statistic for list_located_status is incremented
incorrectly by listStatusIterator
Key: HDFS-13747
URL: https://issues.apache.org/jira/browse/HDFS-13747
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Todd Lipcon commented on HDFS-13703:
Different set of random tests failed this time. I am guessing
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Todd Lipcon commented on HDFS-13702:
The test failure seems unrelated. Given I have a +1 on this from
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Todd Lipcon commented on HDFS-13702:
{quote}I do want a trace layer in there; I do want it broader
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Todd Lipcon commented on HDFS-13702:
Perhaps using '-nsu' on all the patch builds? Would be nice if
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Todd Lipcon commented on HDFS-13702:
Looked into this a bit more and found the issue: the build
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Todd Lipcon commented on HDFS-13703:
Reattached the same patch to re-run Jenkins
> Avoid allocation
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Todd Lipcon updated HDFS-13703:
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Attachment: hdfs-13703.patch
> Avoid allocation of CorruptedBlocks hashmap when no corrupted blocks
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Todd Lipcon commented on HDFS-13702:
Not sure what's up with the above precommit. It appears like it
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Todd Lipcon commented on HDFS-13703:
Anyone know if the failed tests are known flakes? Doesn't seem
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Todd Lipcon updated HDFS-13702:
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Attachment: hdfs-13702.patch
> HTrace hooks taking 10-15% CPU in DFS client when disabled
>
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Todd Lipcon commented on HDFS-13703:
BTW would be better if we could entirely avoid allocating the
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Todd Lipcon commented on HDFS-13703:
Before/after perf stat results from teravalidate running on LJR
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Todd Lipcon updated HDFS-13702:
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Attachment: hdfs-13702.patch
> HTrace hooks taking 10-15% CPU in DFS client when disabled
>
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Todd Lipcon updated HDFS-13703:
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Attachment: hdfs-13703.patch
> Avoid allocation of CorruptedBlocks hashmap when no corrupted blocks
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Todd Lipcon updated HDFS-13703:
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Status: Patch Available (was: Open)
> Avoid allocation of CorruptedBlocks hashmap when no corrupted
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Todd Lipcon commented on HDFS-13702:
Here are some perf results based on a 180GB teravalidate on a
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Todd Lipcon updated HDFS-13702:
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Status: Patch Available (was: Open)
> HTrace hooks taking 10-15% CPU in DFS client when disabled
>
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Todd Lipcon reassigned HDFS-13702:
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Assignee: Todd Lipcon
> HTrace hooks taking 10-15% CPU in DFS client when disabled
>
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Todd Lipcon updated HDFS-13702:
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Attachment: hdfs-13702.patch
> HTrace hooks taking 10-15% CPU in DFS client when disabled
>
Todd Lipcon created HDFS-13703:
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Summary: Avoid allocation of CorruptedBlocks hashmap when no
corrupted blocks are hit
Key: HDFS-13703
URL: https://issues.apache.org/jira/browse/HDFS-13703
Project:
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Todd Lipcon commented on HDFS-13702:
Removing all the HTrace stuff from the block reader path
Todd Lipcon created HDFS-13702:
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Summary: HTrace hooks taking 10-15% CPU in DFS client when disabled
Key: HDFS-13702
URL: https://issues.apache.org/jira/browse/HDFS-13702
Project: Hadoop HDFS
Todd Lipcon created HDFS-13701:
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Summary: Removal of logging guards regressed performance
Key: HDFS-13701
URL: https://issues.apache.org/jira/browse/HDFS-13701
Project: Hadoop HDFS
Issue Type:
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Todd Lipcon commented on HDFS-13616:
bq. In batch mode, user can submit any file system calls. All
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Todd Lipcon commented on HDFS-13616:
bq. maybe getSourcePath? getListedPath?
Yea, I think
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Todd Lipcon commented on HDFS-13616:
bq. Why not just RemoteIterator?
In an earlier prototype of this
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Todd Lipcon edited comment on HDFS-13616 at 5/24/18 11:32 PM:
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Actually
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Todd Lipcon commented on HDFS-13616:
Actually collecting that was easier than I thought. I found a
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Todd Lipcon commented on HDFS-13616:
[~zhz] My feeling on these sorts of APIs is that a user who wants
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Todd Lipcon commented on HDFS-13616:
One other performance point: in addition to reducing "wait time"
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Todd Lipcon commented on HDFS-13611:
+1, looks good. While we're at it, we could reduce one extra
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Todd Lipcon resolved HDFS-3653.
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Resolution: Won't Fix
> 1.x: Add a retention period for purged edit logs
>
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Todd Lipcon reassigned HDFS-3041:
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Assignee: (was: Todd Lipcon)
> DFSOutputStream.close doesn't properly handle interruption
>
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Todd Lipcon resolved HDFS-3069.
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Resolution: Won't Fix
Target Version/s: (was: )
> If an edits file has more edits in it
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Todd Lipcon reassigned HDFS-3447:
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Assignee: (was: Todd Lipcon)
> StandbyException should not be logged at ERROR level on server
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Todd Lipcon updated HDFS-5058:
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Resolution: Won't Fix
Status: Resolved (was: Patch Available)
> QJM should validate
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Todd Lipcon commented on HDFS-12737:
Not following what you mean by "implement multiplexing in the
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Todd Lipcon commented on HDFS-12737:
In the data transfer protocol we just pass tokens with each
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Todd Lipcon commented on HDFS-2970:
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Yep, if my memory from 5 years ago serves me correctly, we can just
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Todd Lipcon commented on HDFS-2173:
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Hrm, the original test/bug was filed >4.5 years ago so I'm a bit
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Todd Lipcon reassigned HDFS-916:
Assignee: (was: Todd Lipcon)
> Rewrite DFSOutputStream to use a single thread with NIO
>
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Todd Lipcon commented on HDFS-7661:
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I'm not super active on either HDFS or HBase anymore, but Kai asked
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Todd Lipcon reassigned HDFS-3743:
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Assignee: (was: Todd Lipcon)
No progress from my side. This didn't turn out to be a highly
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Todd Lipcon commented on HDFS-7966:
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+1 to what Stack said. We already have many access
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Todd Lipcon commented on HDFS-3743:
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See my comment above on a proposed design. I'd
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Todd Lipcon commented on HDFS-8132:
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Yea, I'm guessing the same issue -- probably getting
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Todd Lipcon commented on HDFS-8132:
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Nope. Feel free to send me a pull request for
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Todd Lipcon commented on HDFS-5522:
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I know this has been closed for a while, but wanted
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Todd Lipcon commented on HDFS-6658:
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{quote}
1 the balancer
2 datanode manager start/stop
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Todd Lipcon edited comment on HDFS-6658 at 3/3/15 7:26 PM:
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Todd Lipcon commented on HDFS-7845:
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Agreed we should run various simulations before
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Todd Lipcon commented on HDFS-6658:
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Hey Daryn... jumping in unsolicited with a random
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https://issues.apache.org/jira/browse/HDFS-7845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14341828#comment-14341828
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Todd Lipcon commented on HDFS-7845:
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fwiw I ran a quick test on a random DN I found in
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https://issues.apache.org/jira/browse/HDFS-7845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14341822#comment-14341822
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Todd Lipcon commented on HDFS-7845:
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One quick hint here that may help: for a series of
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https://issues.apache.org/jira/browse/HDFS-1148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14321180#comment-14321180
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Todd Lipcon commented on HDFS-1148:
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I don't think this is nearly as useful anymore now
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https://issues.apache.org/jira/browse/HDFS-957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14316883#comment-14316883
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Todd Lipcon commented on HDFS-957:
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I don't think this is necessary anymore since HDFS-1073
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https://issues.apache.org/jira/browse/HDFS-957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon resolved HDFS-957.
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Resolution: Won't Fix
FSImage layout version should be only once file is complete
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https://issues.apache.org/jira/browse/HDFS-2825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14243637#comment-14243637
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Todd Lipcon commented on HDFS-2825:
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[~nroberts] - have you seen HDFS-3702? It's related
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https://issues.apache.org/jira/browse/HDFS-3107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14175835#comment-14175835
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Todd Lipcon commented on HDFS-3107:
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bq. Dhruba, Indeed. Lack of concurrent writes to a
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https://issues.apache.org/jira/browse/HDFS-7122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14153684#comment-14153684
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Todd Lipcon commented on HDFS-7122:
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bq. I might be wrong – It did seem that the author
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https://issues.apache.org/jira/browse/HDFS-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14127725#comment-14127725
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Todd Lipcon commented on HDFS-6940:
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bq. This issue is being rejected based on an
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https://issues.apache.org/jira/browse/HDFS-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14125224#comment-14125224
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Todd Lipcon commented on HDFS-6940:
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I'll only comment on the technical issue at hand
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https://issues.apache.org/jira/browse/HDFS-6469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14120753#comment-14120753
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Todd Lipcon commented on HDFS-6469:
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bq. Total of 12 nodes, but with only one being
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https://issues.apache.org/jira/browse/HDFS-3529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14113917#comment-14113917
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Todd Lipcon commented on HDFS-3529:
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Hey Yi. Please note that [~james.thomas] has been
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https://issues.apache.org/jira/browse/HDFS-6865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14114602#comment-14114602
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Todd Lipcon commented on HDFS-6865:
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Sweet. You the man, Stack! I'll commit this
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https://issues.apache.org/jira/browse/HDFS-6865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-6865:
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Resolution: Fixed
Fix Version/s: 2.6.0
Hadoop Flags: Reviewed
Status: Resolved
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