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Gopal V commented on HADOOP-16461:
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Linked the lines up and opened a PR.
> Regression: FileSystem
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Gopal V updated HADOOP-16461:
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Description:
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Gopal V reassigned HADOOP-16461:
Assignee: Gopal V
> Regression: FileSystem cache lock parses XML within the lock
>
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Gopal V updated HADOOP-16461:
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Description:
{code}
fs = createFileSystem(uri, conf);
synchronized (this) { // refetch the
Gopal V created HADOOP-16461:
Summary: Regression: FileSystem cache lock parses XML within the
lock
Key: HADOOP-16461
URL: https://issues.apache.org/jira/browse/HADOOP-16461
Project: Hadoop Common
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Gopal V commented on HADOOP-16341:
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Thanks, opened - https://github.com/apache/hadoop/pull/896
>
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Gopal V updated HADOOP-16341:
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Attachment: HADOOP-16341.branch-3.1.002.patch
> ShutDownHookManager: Regressed performance on Hook
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Gopal V commented on HADOOP-16341:
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Build failed for
{code}
[ERROR] bower qunit#1.19.0
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Gopal V updated HADOOP-16341:
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Attachment: HADOOP-16341.branch-3.1.1.patch
> ShutDownHookManager: Regressed performance on Hook
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Gopal V updated HADOOP-16341:
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Fix Version/s: 3.1.3
Status: Patch Available (was: Open)
> ShutDownHookManager: Regressed
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Gopal V updated HADOOP-16341:
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Attachment: HADOOP-16341.1.patch
> ShutDownHookManager: Regressed performance on Hook removals after
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Gopal V updated HADOOP-16341:
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Attachment: (was: HADOOP-16341.1.patch)
> ShutDownHookManager: Regressed performance on Hook
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Gopal V reassigned HADOOP-16341:
Assignee: Gopal V
> ShutDownHookManager: Regressed performance on Hook removals after
Gopal V created HADOOP-16341:
Summary: ShutDownHookManager: Regressed performance on Hook
removals after HADOOP-15679
Key: HADOOP-16341
URL: https://issues.apache.org/jira/browse/HADOOP-16341
Project:
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https://issues.apache.org/jira/browse/HADOOP-11223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16769741#comment-16769741
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Gopal V commented on HADOOP-11223:
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bq. Mainly for performance and concurrency reasons we don't want
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Gopal V updated HADOOP-11867:
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Labels: performance (was: )
> FS API: Add a high-performance vectored Read to FSDataInputStream API
>
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Gopal V updated HADOOP-11867:
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Component/s: hdfs-client
> FS API: Add a high-performance vectored Read to FSDataInputStream API
>
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Gopal V updated HADOOP-11867:
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Affects Version/s: (was: 2.8.0)
3.0.0
> FS API: Add a high-performance
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Gopal V commented on HADOOP-11867:
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No, this is not about zero-copy readers or locality (i.e no Located
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Gopal V commented on HADOOP-15171:
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bq. this is becoming a pain
This is a huge perf hit right now,
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Gopal V edited comment on HADOOP-14683 at 7/25/17 7:50 PM:
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bq. does this
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Gopal V edited comment on HADOOP-14683 at 7/25/17 7:47 PM:
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bq. does this
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Gopal V edited comment on HADOOP-14683 at 7/25/17 7:45 PM:
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bq. does this
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Gopal V commented on HADOOP-14683:
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bq. does this retain the binary search functionality?
Yes - that's
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Gopal V commented on HADOOP-14683:
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[~ajisakaa]: use Comparable ?
> FileStatus.compareTo binary compat
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Gopal V commented on HADOOP-14054:
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thanks [~steve_l], I will probably link the external issues to this
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Gopal V resolved HADOOP-14054.
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Resolution: Won't Fix
Closing as WONTFIX - will file issues on Azure github
> NativeAzureFileSystem
Gopal V created HADOOP-14054:
Summary: NativeAzureFileSystem has multiple synchronized
BufferedStream:read() calls in it
Key: HADOOP-14054
URL: https://issues.apache.org/jira/browse/HADOOP-14054
Project:
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https://issues.apache.org/jira/browse/HADOOP-12956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15209207#comment-15209207
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Gopal V commented on HADOOP-12956:
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bq. if commons-logging supports log4j2.x
LLAP moved DFSClient etc
Gopal V created HADOOP-12956:
Summary: Inevitable Log4j2 migration via slf4j
Key: HADOOP-12956
URL: https://issues.apache.org/jira/browse/HADOOP-12956
Project: Hadoop Common
Issue Type:
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Gopal V updated HADOOP-11771:
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Description:
{code}
IPC Client (1970436060) connection to
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Gopal V updated HADOOP-11771:
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Priority: Critical (was: Major)
> Configuration::getClassByNameOrNull synchronizes on a static object
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Gopal V commented on HADOOP-12444:
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[~rajesh.balamohan]: Kicking off some 10Tb S3 tests with your
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Gopal V updated HADOOP-12444:
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Assignee: Rajesh Subash
> Consider implementing lazy seek in S3AInputStream
>
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Gopal V updated HADOOP-12444:
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Assignee: (was: Rajesh Subash)
> Consider implementing lazy seek in S3AInputStream
>
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Gopal V commented on HADOOP-12217:
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bq. I would personally want to find out why fixing
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Gopal V commented on HADOOP-12217:
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[~sscaffidi]: I think I hit this earlier and
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Gopal V commented on HADOOP-10694:
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[~ozawa]: I think the synchronization is
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Gopal V reassigned HADOOP-11867:
Assignee: Gopal V
FS API: Add a high-performance vectored Read to FSDataInputStream API
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Gopal V updated HADOOP-11772:
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Attachment: cached-locking.png
cached-connections.png
The patch looks good, there's no
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Gopal V commented on HADOOP-11772:
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Added patch to next week's build + deploy queue.
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Gopal V commented on HADOOP-11772:
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bq. reproduce the problem is to spawn a client that
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Gopal V commented on HADOOP-11772:
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[~wheat9]: have you got any profiles on this with a
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Gopal V commented on HADOOP-11772:
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bq. The RPC client will send out the request
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Gopal V commented on HADOOP-11935:
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[~cnauroth]:
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Gopal V commented on HADOOP-11901:
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If the only goal is overflow prevention you can
Gopal V created HADOOP-11867:
Summary: FS API: Add a high-performance vectored Read to
FSDataInputStream API
Key: HADOOP-11867
URL: https://issues.apache.org/jira/browse/HADOOP-11867
Project: Hadoop
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Gopal V commented on HADOOP-11867:
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[~thodemoor]/[~sanjay.radia]: This is the
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Gopal V commented on HADOOP-11867:
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bq. {{openAt(Path, offset)}}
That is a good idea,
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Gopal V updated HADOOP-11772:
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Attachment: after-ipc-fix.png
[~ajisakaa]: looks much better with the patch.
!after-ipc-fix.png!
I
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Gopal V commented on HADOOP-11772:
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[~ajisakaa]: added to today's builds.
RPC Invoker
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Gopal V updated HADOOP-11772:
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Attachment: dfs-sync-ipc.png
[~ajisakaa]: Does this patch fix the requirement of needing 1 IPC client
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Gopal V updated HADOOP-11772:
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Description:
{code}
private static ClientCache CLIENTS=new ClientCache();
...
this.client =
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Gopal V commented on HADOOP-11772:
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bq. Do you mean we should create IPC client pool in
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Gopal V commented on HADOOP-11771:
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The cache is of dubious value for the default
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Gopal V updated HADOOP-11770:
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Priority: Critical (was: Major)
[Umbrella] locate static synchronized blocks in hadoop-common
Gopal V created HADOOP-11770:
Summary: [Umbrella] locate static synchronized blocks in
hadoop-common
Key: HADOOP-11770
URL: https://issues.apache.org/jira/browse/HADOOP-11770
Project: Hadoop Common
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Gopal V updated HADOOP-11771:
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Description:
{code}
private static final MapClassLoader, MapString, WeakReferenceClass?
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Gopal V updated HADOOP-11771:
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Attachment: configuration-sync-cache.png
configuration-cache-bt.png
Gopal V created HADOOP-11771:
Summary: Configuration::getClassByNameOrNull synchronizes on a
static object
Key: HADOOP-11771
URL: https://issues.apache.org/jira/browse/HADOOP-11771
Project: Hadoop Common
Gopal V created HADOOP-11772:
Summary: RPC Invoker relies on static ClientCache which has
synchronized(this) blocks
Key: HADOOP-11772
URL: https://issues.apache.org/jira/browse/HADOOP-11772
Project:
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Gopal V updated HADOOP-11772:
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Attachment: sync-client-threads.png
sync-client-bt.png
RPC Invoker relies on static
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Gopal V updated HADOOP-11226:
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Status: Patch Available (was: Open)
ipc.Client has to use setTrafficClass() with
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Gopal V updated HADOOP-11226:
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Attachment: HADOOP-11226.5.patch
Updated patch with documentation
ipc.Client has to use
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Gopal V updated HADOOP-11226:
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Status: Open (was: Patch Available)
ipc.Client has to use setTrafficClass() with
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Gopal V commented on HADOOP-11226:
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Sure, I will add - I grepped to see where
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Gopal V updated HADOOP-11226:
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Status: Open (was: Patch Available)
ipc.Client has to use setTrafficClass() with
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Gopal V updated HADOOP-11226:
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Status: Patch Available (was: Open)
ipc.Client has to use setTrafficClass() with
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Gopal V updated HADOOP-11226:
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Attachment: HADOOP-11226.4.patch
ipc.Client has to use setTrafficClass() with
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Gopal V updated HADOOP-11226:
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Status: Open (was: Patch Available)
ipc.Client has to use setTrafficClass() with
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Gopal V updated HADOOP-11226:
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Status: Patch Available (was: Open)
No added tests, since this has no easy way to test without a
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Gopal V updated HADOOP-11226:
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Attachment: HADOOP-11226.3.patch
Added {{ipc.client.low-latency}} with default=false
ipc.Client has
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Gopal V commented on HADOOP-11226:
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Sure, I will update the patch in a couple of days
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Gopal V commented on HADOOP-11223:
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[~cmccabe]: Agree, the current patch doesn't fix
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Gopal V commented on HADOOP-11226:
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Thanks [~cnauroth]. I think this needs testing
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Gopal V commented on HADOOP-11226:
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I was following the line which had TCP keepalive
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Gopal V updated HADOOP-11226:
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Labels: Infiniband (was: )
Release Note: Use low latency TCP connections for hadoop IPC
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Gopal V commented on HADOOP-11449:
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This is not a windows error - this is bad HTML in
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Gopal V updated HADOOP-11226:
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Attachment: HADOOP-11226.2.patch
ipc.Client has to use setTrafficClass() with
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Gopal V resolved HADOOP-11239.
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Resolution: Not a Problem
[JDK8] azurenative tests fail builds on JDK8
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Gopal V commented on HADOOP-11223:
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Yes, that's the whole idea. This is merely from a
Gopal V created HADOOP-11239:
Summary: [JDK8] azurenative tests fail builds on JDK8
Key: HADOOP-11239
URL: https://issues.apache.org/jira/browse/HADOOP-11239
Project: Hadoop Common
Issue Type:
Gopal V created HADOOP-11226:
Summary: ipc.Client has to use setTrafficClass() with
IPTOS_LOWDELAY
Key: HADOOP-11226
URL: https://issues.apache.org/jira/browse/HADOOP-11226
Project: Hadoop Common
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https://issues.apache.org/jira/browse/HADOOP-11226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HADOOP-11226:
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Component/s: ipc
Description:
During heavy shuffle, packet loss for IPC packets was
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Gopal V reassigned HADOOP-11226:
Assignee: Gopal V
ipc.Client has to use setTrafficClass() with IPTOS_LOWDELAY|IPTOS_RELIABILITY
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Gopal V updated HADOOP-11226:
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Summary: ipc.Client has to use setTrafficClass() with
IPTOS_LOWDELAY|IPTOS_RELIABILITY (was:
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Gopal V updated HADOOP-11226:
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Attachment: HADOOP-11226.1.patch
ipc.Client has to use setTrafficClass() with
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Gopal V commented on HADOOP-11226:
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Patch is not complete, as it takes care of only RFC
Gopal V created HADOOP-11223:
Summary: Offer a read-only conf alternative to new Configuration()
Key: HADOOP-11223
URL: https://issues.apache.org/jira/browse/HADOOP-11223
Project: Hadoop Common
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https://issues.apache.org/jira/browse/HADOOP-11223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HADOOP-11223:
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Component/s: conf
Offer a read-only conf alternative to new Configuration()
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https://issues.apache.org/jira/browse/HADOOP-11144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14150110#comment-14150110
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Gopal V commented on HADOOP-11144:
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Also retire broken mirrors -
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https://issues.apache.org/jira/browse/HADOOP-11029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HADOOP-11029:
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Attachment: fsdatainputstream.png
FileSystem#Statistics uses volatile variables that must be updated
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https://issues.apache.org/jira/browse/HADOOP-11029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HADOOP-11029:
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Attachment: (was: fsdatainputstream.png)
FileSystem#Statistics uses volatile variables that must
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Gopal V commented on HADOOP-11029:
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bq. Can you put some numbers behind this? If this
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Gopal V updated HADOOP-11029:
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Attachment: fsdatainputstream.png
FileSystem#Statistics uses volatile variables that must be updated
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Gopal V updated HADOOP-11029:
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Affects Version/s: 2.6.0
2.5.0
LocalFS Statistics performs thread local call
Gopal V created HADOOP-11029:
Summary: LocalFS Statistics performs thread local call per byte
written
Key: HADOOP-11029
URL: https://issues.apache.org/jira/browse/HADOOP-11029
Project: Hadoop Common
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https://issues.apache.org/jira/browse/HADOOP-11029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HADOOP-11029:
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Attachment: local-fs-locking.png
LocalFS Statistics performs thread local call per byte written
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Gopal V updated HADOOP-11029:
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Component/s: fs
LocalFS Statistics performs thread local call per byte written
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https://issues.apache.org/jira/browse/HADOOP-9601?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HADOOP-9601:
Resolution: Incomplete
Status: Resolved (was: Patch Available)
Closing this issue.
btw, I found
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