[jira] [Created] (HADOOP-11898) add nfs3 and portmap starting command in hadoop-daemon.sh in branch-2

2015-05-01 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-11898:
---

 Summary: add nfs3 and portmap starting command in hadoop-daemon.sh 
in branch-2
 Key: HADOOP-11898
 URL: https://issues.apache.org/jira/browse/HADOOP-11898
 Project: Hadoop Common
  Issue Type: Bug
  Components: bin, nfs
Affects Versions: 2.7.0
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor


nfs3 and portmap should also be in the list:
{noformat}
case $command in
  
namenode|secondarynamenode|datanode|journalnode|dfs|dfsadmin|fsck|balancer|zkfc)
if [ -z "$HADOOP_HDFS_HOME" ]; then
  hdfsScript="$HADOOP_PREFIX"/bin/hdfs
else
  hdfsScript="$HADOOP_HDFS_HOME"/bin/hdfs
fi
nohup nice -n $HADOOP_NICENESS $hdfsScript --config $HADOOP_CONF_DIR 
$command "$@" > "$log" 2>&1 < /dev/null &
  ;;
  (*)
nohup nice -n $HADOOP_NICENESS $hadoopScript --config $HADOOP_CONF_DIR 
$command "$@" > "$log" 2>&1 < /dev/null &
  ;;
{noformat}



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[jira] [Created] (HADOOP-11715) azureFs::getFileStatus doesn't check the file system scheme and thus could throw a misleading exception.

2015-03-13 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-11715:
---

 Summary: azureFs::getFileStatus doesn't check the file system 
scheme and thus could throw a misleading exception. 
 Key: HADOOP-11715
 URL: https://issues.apache.org/jira/browse/HADOOP-11715
 Project: Hadoop Common
  Issue Type: Bug
  Components: fs
Affects Versions: 2.7.0
Reporter: Brandon Li


 azureFs::getFileStatus doesn't check the file system scheme and thus could 
throw a misleading exception. 
For example, it complains filenotfound instead of wrong-fs for an hdfs path:


Caused by: java.io.FileNotFoundException: 
hdfs://headnode0:9000/hive/scratch/hadoopqa/a7d34a22-57eb-4678-84b4-43d84027d45f/hive_2015-03-02_23-13-04_713_5722627238053417441-1/hadoopqa/_tez_scratch_dir/_tez_scratch_dir/split_Map_1/job.split:
 No such file or directory.
at 
org.apache.hadoop.fs.azure.NativeAzureFileSystem.getFileStatus(NativeAzureFileSystem.java:1625)




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[jira] [Created] (HADOOP-11294) Nfs3FileAttributes should not change the values of nlink and size in the constructor

2014-11-10 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-11294:
---

 Summary: Nfs3FileAttributes should not change the values of nlink 
and size in the constructor 
 Key: HADOOP-11294
 URL: https://issues.apache.org/jira/browse/HADOOP-11294
 Project: Hadoop Common
  Issue Type: Bug
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor


In stead, it should just take the values passed in.



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[jira] [Resolved] (HADOOP-11278) hadoop-daemon.sh script doesn't hornor --config option

2014-11-07 Thread Brandon Li (JIRA)

 [ 
https://issues.apache.org/jira/browse/HADOOP-11278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Brandon Li resolved HADOOP-11278.
-
Resolution: Invalid

> hadoop-daemon.sh script doesn't hornor --config option
> --
>
> Key: HADOOP-11278
> URL: https://issues.apache.org/jira/browse/HADOOP-11278
> Project: Hadoop Common
>  Issue Type: Bug
>  Components: bin
>Affects Versions: 3.0.0
>Reporter: Brandon Li
>




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[jira] [Created] (HADOOP-11278) hadoop-daemon.sh command doesn't hornor --config option

2014-11-06 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-11278:
---

 Summary: hadoop-daemon.sh command doesn't hornor --config option
 Key: HADOOP-11278
 URL: https://issues.apache.org/jira/browse/HADOOP-11278
 Project: Hadoop Common
  Issue Type: Bug
  Components: bin
Reporter: Brandon Li






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[jira] [Created] (HADOOP-11247) Fix a couple javac warnings in NFS

2014-10-29 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-11247:
---

 Summary: Fix a couple javac warnings in NFS
 Key: HADOOP-11247
 URL: https://issues.apache.org/jira/browse/HADOOP-11247
 Project: Hadoop Common
  Issue Type: Bug
  Components: nfs
Reporter: Brandon Li
Assignee: Brandon Li


This JIRA is to fix 2 javac warnings, which are overlooked in HADOOP-11195.
{format}
241a242,243
> [WARNING] 
> /home/jenkins/jenkins-slave/workspace/PreCommit-HADOOP-Build/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/conf/NfsConfiguration.java:[46,41]
>  [deprecation] NFS_USERGROUP_UPDATE_MILLIS_KEY in 
> org.apache.hadoop.nfs.nfs3.Nfs3Constant has been deprecated
> [WARNING] 
> /home/jenkins/jenkins-slave/workspace/PreCommit-HADOOP-Build/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/conf/NfsConfiguration.java:[48,41]
>  [deprecation] NFS_STATIC_MAPPING_FILE_KEY in 
> org.apache.hadoop.nfs.nfs3.Nfs3Constant has been deprecated
{format}



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[jira] [Created] (HADOOP-11245) Update NFS gateway to use Netty4

2014-10-29 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-11245:
---

 Summary: Update NFS gateway to use Netty4
 Key: HADOOP-11245
 URL: https://issues.apache.org/jira/browse/HADOOP-11245
 Project: Hadoop Common
  Issue Type: Improvement
  Components: nfs
Reporter: Brandon Li
Assignee: Brandon Li






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[jira] [Created] (HADOOP-11214) Add web UI for NFS gateway

2014-10-20 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-11214:
---

 Summary: Add web UI for NFS gateway
 Key: HADOOP-11214
 URL: https://issues.apache.org/jira/browse/HADOOP-11214
 Project: Hadoop Common
  Issue Type: Bug
  Components: nfs
Reporter: Brandon Li


This JIRA is to track the effort to add web UI for NFS gateway to show some 
metrics and configuration related information.



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[jira] [Created] (HADOOP-10990) Add missed NFSv3 request and response classes

2014-08-20 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-10990:
---

 Summary: Add missed NFSv3 request and response classes
 Key: HADOOP-10990
 URL: https://issues.apache.org/jira/browse/HADOOP-10990
 Project: Hadoop Common
  Issue Type: Improvement
  Components: nfs
Reporter: Brandon Li
Assignee: Brandon Li


Two RPC calls were missed in original NFS implementation: LINK and MKNOD. This 
JIRA is to track the effort of adding the missed RPC calls.



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[jira] [Resolved] (HADOOP-10545) hdfs zkfc NullPointerException

2014-07-21 Thread Brandon Li (JIRA)

 [ 
https://issues.apache.org/jira/browse/HADOOP-10545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Brandon Li resolved HADOOP-10545.
-

Resolution: Duplicate

> hdfs zkfc NullPointerException
> --
>
> Key: HADOOP-10545
> URL: https://issues.apache.org/jira/browse/HADOOP-10545
> Project: Hadoop Common
>  Issue Type: Bug
>Affects Versions: 2.4.0
> Environment: Linux
>Reporter: Sebastien Barrier
>Priority: Minor
>
> Running hdfs zkfc on a node which is not a Namenode result of 
> NullPointerException.
> An error message should be displayed telling that zkfc must be run only on a 
> Namenode server and/or to verify configuration parameters.
> # hdfs zkfc -formatZK
> Exception in thread "main" java.lang.NullPointerException
> at 
> com.google.common.base.Preconditions.checkNotNull(Preconditions.java:187)
> at 
> org.apache.hadoop.hdfs.tools.NNHAServiceTarget.(NNHAServiceTarget.java:57)
> at 
> org.apache.hadoop.hdfs.tools.DFSZKFailoverController.create(DFSZKFailoverController.java:128)
> at 
> org.apache.hadoop.hdfs.tools.DFSZKFailoverController.main(DFSZKFailoverController.java:172)



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[jira] [Created] (HADOOP-10761) Provide an NFS gateway option to get groups from local name service for easy deployment in cloud

2014-06-27 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-10761:
---

 Summary: Provide an NFS gateway option to get groups from local 
name service for easy deployment in cloud
 Key: HADOOP-10761
 URL: https://issues.apache.org/jira/browse/HADOOP-10761
 Project: Hadoop Common
  Issue Type: New Feature
  Components: nfs
Reporter: Brandon Li


In cloud deployment, client machines and Hadoop Cluster are sometimes in 
different DMZ and LDAP in some other. Integration client machines with LDAP 
might require lot of firewall tickets, which can be a pain especially when 
users keep on adding new client machines.

When the client is not integrated with LDAP for the group mapping, NFS should 
not use the group list in the request. Instead, NFS gateway can get the group 
list from local name service.

This JIRA is to track the effort to provide a configuration option to get list 
of GID from LDAP/OS for making the deployment at Cloud easier. Also this can 
remove the limitation of 15 GID in the NFS request.




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[jira] [Created] (HADOOP-10656) The password keystore file is not picked by LDAP group mapping

2014-06-02 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-10656:
---

 Summary: The password keystore file is not picked by LDAP group 
mapping
 Key: HADOOP-10656
 URL: https://issues.apache.org/jira/browse/HADOOP-10656
 Project: Hadoop Common
  Issue Type: Bug
  Components: security
Reporter: Brandon Li


The user configured password file(LDAP_KEYSTORE_PASSWORD_FILE_KEY) will not be 
picked by LdapGroupsMapping:

In setConf():

{noformat}
keystorePass =
conf.get(LDAP_KEYSTORE_PASSWORD_KEY, LDAP_KEYSTORE_PASSWORD_DEFAULT);
if (keystorePass.isEmpty()) {
  keystorePass = extractPassword(
conf.get(LDAP_KEYSTORE_PASSWORD_KEY, LDAP_KEYSTORE_PASSWORD_DEFAULT)); 
}
{noformat}



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[jira] [Created] (HADOOP-10612) NFS failed to refresh the user group id mapping table

2014-05-16 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-10612:
---

 Summary: NFS failed to refresh the user group id mapping table
 Key: HADOOP-10612
 URL: https://issues.apache.org/jira/browse/HADOOP-10612
 Project: Hadoop Common
  Issue Type: Bug
  Components: nfs
Affects Versions: 2.4.0
Reporter: Brandon Li
Assignee: Brandon Li
 Attachments: HADOOP-10612.002.patch, HADOOP-10612.patch

Found by Preetham Kukillaya. The user/group id mapping table is not update 
periodically.



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[jira] [Created] (HADOOP-10425) Incompatible behavior of LocalFileSystem:getContentSummary

2014-03-24 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-10425:
---

 Summary: Incompatible behavior of LocalFileSystem:getContentSummary
 Key: HADOOP-10425
 URL: https://issues.apache.org/jira/browse/HADOOP-10425
 Project: Hadoop Common
  Issue Type: Bug
  Components: fs
Affects Versions: 2.3.0
Reporter: Brandon Li
Assignee: Tsz Wo Nicholas Sze


Unlike in Hadoop1, FilterFileSystem overrides getContentSummary, which causes 
content summary to be called on rawLocalFileSystem in Local mode.

This impacts the computations of Stats in Hive with getting back FileSizes that 
include the size of the crc files.




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[jira] [Resolved] (HADOOP-10112) har file listing doesn't work with wild card

2014-01-17 Thread Brandon Li (JIRA)

 [ 
https://issues.apache.org/jira/browse/HADOOP-10112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Brandon Li resolved HADOOP-10112.
-

Resolution: Fixed

> har file listing  doesn't work with wild card
> -
>
> Key: HADOOP-10112
> URL: https://issues.apache.org/jira/browse/HADOOP-10112
> Project: Hadoop Common
>  Issue Type: Bug
>  Components: tools
>Affects Versions: 2.2.0
>Reporter: Brandon Li
>Assignee: Brandon Li
> Fix For: 2.3.0
>
> Attachments: HADOOP-10112.004.patch
>
>
> [test@test001 root]$ hdfs dfs -ls har:///tmp/filename.har/*
> -ls: Can not create a Path from an empty string
> Usage: hadoop fs [generic options] -ls [-d] [-h] [-R] [ ...]
> It works without "*".



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[jira] [Created] (HADOOP-10160) Unregister NFS and Mount service when NFS gateway is shutting down

2013-12-10 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-10160:
---

 Summary: Unregister NFS and Mount service when NFS gateway is 
shutting down
 Key: HADOOP-10160
 URL: https://issues.apache.org/jira/browse/HADOOP-10160
 Project: Hadoop Common
  Issue Type: Bug
  Components: nfs
Reporter: Brandon Li


The services should be unregistered if the gateway is asked to shutdown 
gracefully.



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[jira] [Created] (HADOOP-10112) har file listing doesn't work with wild card

2013-11-18 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-10112:
---

 Summary: har file listing  doesn't work with wild card
 Key: HADOOP-10112
 URL: https://issues.apache.org/jira/browse/HADOOP-10112
 Project: Hadoop Common
  Issue Type: Bug
  Components: tools
Reporter: Brandon Li


[test@test001 root]$ hdfs dfs -ls har:///tmp/filename.har/*
-ls: Can not create a Path from an empty string
Usage: hadoop fs [generic options] -ls [-d] [-h] [-R] [ ...]

It works without "*".




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[jira] [Created] (HADOOP-9634) Duplicate Request Cache in ONCRPC needs to resend response for served requests

2013-06-07 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-9634:
--

 Summary: Duplicate Request Cache in ONCRPC needs to resend 
response for served requests
 Key: HADOOP-9634
 URL: https://issues.apache.org/jira/browse/HADOOP-9634
 Project: Hadoop Common
  Issue Type: Bug
Reporter: Brandon Li
Assignee: Brandon Li


The duplicate request cache can drop repeated request which is still pending, 
but should send back the response again for served request if the response is 
cached.


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[jira] [Created] (HADOOP-9515) Add general interface for NFS and Mount

2013-04-26 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-9515:
--

 Summary: Add general interface for NFS and Mount
 Key: HADOOP-9515
 URL: https://issues.apache.org/jira/browse/HADOOP-9515
 Project: Hadoop Common
  Issue Type: New Feature
Reporter: Brandon Li
Assignee: Brandon Li


These is the general interface implementation for NFS and Mount protocol, e.g., 
some protocol related data structures and etc. It doesn't include the file 
system specific implementations.

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[jira] [Created] (HADOOP-9501) Change ls command to display and execute and sticky bit permission.

2013-04-24 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-9501:
--

 Summary: Change ls command to display and execute and sticky bit 
permission.
 Key: HADOOP-9501
 URL: https://issues.apache.org/jira/browse/HADOOP-9501
 Project: Hadoop Common
  Issue Type: Bug
  Components: fs
Affects Versions: 3.0.0
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor




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[jira] [Resolved] (HADOOP-6149) FileStatus can support a fileid per path

2013-04-19 Thread Brandon Li (JIRA)

 [ 
https://issues.apache.org/jira/browse/HADOOP-6149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Brandon Li resolved HADOOP-6149.


Resolution: Duplicate

> FileStatus can support a fileid per path
> 
>
> Key: HADOOP-6149
> URL: https://issues.apache.org/jira/browse/HADOOP-6149
> Project: Hadoop Common
>  Issue Type: New Feature
>Reporter: dhruba borthakur
>Assignee: dhruba borthakur
> Attachments: fileidc1.txt
>
>
> FileStatus should expose a id that uniquely identifies a file. This helps in 
> developing applications that work correctly even when files are moved from 
> one directory to another.

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[jira] [Created] (HADOOP-9179) TestFileSystem fails with open JDK7

2013-01-04 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-9179:
--

 Summary: TestFileSystem fails with open JDK7
 Key: HADOOP-9179
 URL: https://issues.apache.org/jira/browse/HADOOP-9179
 Project: Hadoop Common
  Issue Type: Bug
Reporter: Brandon Li
Assignee: Brandon Li


This is a test order-dependency bug as pointed out in HADOOP-8390. This JIRA is 
to track the fix in branch-1.

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[jira] [Created] (HADOOP-9058) branch-1-win build failure

2012-11-17 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-9058:
--

 Summary: branch-1-win build failure 
 Key: HADOOP-9058
 URL: https://issues.apache.org/jira/browse/HADOOP-9058
 Project: Hadoop Common
  Issue Type: Bug
  Components: build
Affects Versions: 1-win
Reporter: Brandon Li
Priority: Critical


... ...
BUILD FAILED
/Users/Brandon/git_trunk7/hadoop-common/build.xml:1284: The following error 
occurred while executing this line:
/Users/Brandon/git_trunk7/hadoop-common/build.xml:1001: Warning: Could not find 
file 
/Users/Brandon/git_trunk7/hadoop-common/src/test/org/apache/hadoop/fs/test-untar.tgz
 to copy.

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[jira] [Resolved] (HADOOP-9000) remove Trash.makeTrashRelativePath in branch-1-win

2012-10-31 Thread Brandon Li (JIRA)

 [ 
https://issues.apache.org/jira/browse/HADOOP-9000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Brandon Li resolved HADOOP-9000.


Resolution: Won't Fix

> remove Trash.makeTrashRelativePath in branch-1-win
> --
>
> Key: HADOOP-9000
> URL: https://issues.apache.org/jira/browse/HADOOP-9000
> Project: Hadoop Common
>  Issue Type: Improvement
>  Components: trash
>Affects Versions: 1-win
>Reporter: Brandon Li
>Assignee: Brandon Li
>Priority: Minor
> Attachments: HADOOP-9000.branch-1-win.patch
>
>
> This method does nothing except calling Path.mergePaths(). If the method is 
> used to show the purpose of the operation, comment can do as well since it's 
> used only in a couple places.

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[jira] [Created] (HADOOP-9000) remove Trash.makeTrashRelativePath in branch-1-win

2012-10-31 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-9000:
--

 Summary: remove Trash.makeTrashRelativePath in branch-1-win
 Key: HADOOP-9000
 URL: https://issues.apache.org/jira/browse/HADOOP-9000
 Project: Hadoop Common
  Issue Type: Improvement
  Components: trash
Affects Versions: 1-win
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor


This method does nothing except calling Path.mergePaths(). If the method is 
used to show the purpose of the operation, comment can do as well since it's 
used only in a couple places.

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[jira] [Created] (HADOOP-8966) Change dfsadmin and haadmin commands to be case insenitive

2012-10-23 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8966:
--

 Summary: Change dfsadmin and haadmin commands to be case 
insenitive 
 Key: HADOOP-8966
 URL: https://issues.apache.org/jira/browse/HADOOP-8966
 Project: Hadoop Common
  Issue Type: Improvement
Reporter: Brandon Li
Priority: Trivial


It can be easier to use when these commands are case insensitive.

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[jira] [Created] (HADOOP-8837) add component Yarn to @InterfaceAudience.LimitedPrivate classes

2012-09-24 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8837:
--

 Summary: add component Yarn to @InterfaceAudience.LimitedPrivate 
classes
 Key: HADOOP-8837
 URL: https://issues.apache.org/jira/browse/HADOOP-8837
 Project: Hadoop Common
  Issue Type: Improvement
Affects Versions: 3.0.0
Reporter: Brandon Li
Priority: Trivial


With Yarn becoming a new Hadoop subcomponent, some classes (e.g., HttpServer) 
with InterfaceAudience.LimitedPrivate annotation need to include Yarn as one 
audience. 

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[jira] [Created] (HADOOP-8832) backport HADOOP-5257 to branch-1

2012-09-20 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8832:
--

 Summary: backport HADOOP-5257 to branch-1
 Key: HADOOP-8832
 URL: https://issues.apache.org/jira/browse/HADOOP-8832
 Project: Hadoop Common
  Issue Type: Bug
Affects Versions: 1.2.0
Reporter: Brandon Li
Assignee: Brandon Li


The original patch was only partially back ported to branch-1. This JIRA is to 
back port the rest of it.

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[jira] [Created] (HADOOP-8819) Should use && instead of & in a few places in FTPFileSystem,FTPInputStream,S3InputStream,ViewFileSystem,ViewFs

2012-09-16 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8819:
--

 Summary: Should use && instead of  & in a few places in 
FTPFileSystem,FTPInputStream,S3InputStream,ViewFileSystem,ViewFs
 Key: HADOOP-8819
 URL: https://issues.apache.org/jira/browse/HADOOP-8819
 Project: Hadoop Common
  Issue Type: Bug
  Components: fs
Reporter: Brandon Li
Assignee: Brandon Li


Should use && instead of  & in a few places in 
FTPFileSystem,FTPInputStream,S3InputStream,ViewFileSystem,ViewFs.

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[jira] [Created] (HADOOP-8818) Should use equals() rather than == to compare String or Text in MD5MD5CRC32FileChecksum and TFileDumper

2012-09-16 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8818:
--

 Summary: Should use equals() rather than == to compare String or 
Text in MD5MD5CRC32FileChecksum and TFileDumper
 Key: HADOOP-8818
 URL: https://issues.apache.org/jira/browse/HADOOP-8818
 Project: Hadoop Common
  Issue Type: Bug
  Components: fs, io
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor
 Attachments: HADOOP-8818.patch

Should use equals() rather than == to compare String or Text in 
MD5MD5CRC32FileChecksum and TFileDumper.

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[jira] [Created] (HADOOP-8815) RandomDatum overrides equals(Object) but no hashCode()

2012-09-15 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8815:
--

 Summary: RandomDatum overrides equals(Object) but no hashCode()
 Key: HADOOP-8815
 URL: https://issues.apache.org/jira/browse/HADOOP-8815
 Project: Hadoop Common
  Issue Type: Improvement
  Components: test
Affects Versions: 3.0.0
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor


Override equal() but not hashCode() is a violation of the general contract for 
Object.hashCode will occur, which can have unexpected repercussions when this 
class is in conjunction with all hash-based collections.

This test class is used in multiple places, so it may be worth fixing.

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[jira] [Created] (HADOOP-8814) Inefficient comparison with the empty string. Use isEmpty() instead

2012-09-15 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8814:
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 Summary: Inefficient comparison with the empty string. Use 
isEmpty() instead
 Key: HADOOP-8814
 URL: https://issues.apache.org/jira/browse/HADOOP-8814
 Project: Hadoop Common
  Issue Type: Improvement
  Components: conf, fs, fs/s3, ha, io, metrics, performance, record, 
security, util
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor


Prior to JDK 6, we can check if a string is empty in 2 ways:

   * if(s != null && s.length() == 0)
   * if(("").equals(s)) or if( s.equals(""))

Starting from JDK 6, String class has a new convenience and efficient method 
isEmpty() to check string's length.

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[jira] [Created] (HADOOP-8813) RPC Serever and Client classes need InterfaceAudience and InterfaceStability annotations

2012-09-15 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8813:
--

 Summary: RPC Serever and Client classes need InterfaceAudience and 
InterfaceStability annotations
 Key: HADOOP-8813
 URL: https://issues.apache.org/jira/browse/HADOOP-8813
 Project: Hadoop Common
  Issue Type: Improvement
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Trivial




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[jira] [Resolved] (HADOOP-8583) Globbing is not correctly handled in a few cases on Windows

2012-09-06 Thread Brandon Li (JIRA)

 [ 
https://issues.apache.org/jira/browse/HADOOP-8583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Brandon Li resolved HADOOP-8583.


Resolution: Duplicate

dup of HADOOP-8739

> Globbing is not correctly handled in a few cases on Windows
> ---
>
> Key: HADOOP-8583
> URL: https://issues.apache.org/jira/browse/HADOOP-8583
> Project: Hadoop Common
>  Issue Type: Bug
> Environment: Windows
>Reporter: Ramya Sunil
>
> Glob handling fails in a few cases on a Windows environment.
> For example:
> {noformat}
> c:\> hadoop dfs -ls /
> Found 2 items
> drwxrwxrwx   - Administrator supergroup  0 2012-07-06 15:00 /tmp
> drwxr-xr-x   - Administrator supergroup  0 2012-07-06 18:52 /user
> c:\> hadoop dfs -ls /tmpInvalid*
> Found 2 items
> drwxr-xr-x   - Administrator supergroup  0 2012-07-10 18:50 
> /user/Administrator/sortInputDir
> drwxr-xr-x   - Administrator supergroup  0 2012-07-10 18:50 
> /user/Administrator/sortOutputDir
> c:\> hadoop dfs -rmr /tmp/*
> Usage: java FsShell [-rmr [-skipTrash]  ]
> {noformat}

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[jira] [Created] (HADOOP-8754) remove all the RPC.getServer() variants

2012-08-31 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8754:
--

 Summary: remove all the RPC.getServer() variants
 Key: HADOOP-8754
 URL: https://issues.apache.org/jira/browse/HADOOP-8754
 Project: Hadoop Common
  Issue Type: Improvement
  Components: ipc
Affects Versions: 3.0.0
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor


In HADOOP-8736, a Builder is introduced to replace all the getServer() 
variants. This JIRA is to delete all the getServer() variants once all the 
other components replaced this method with the Builder.

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[jira] [Created] (HADOOP-8736) Create a Builder to make an RPC server

2012-08-27 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8736:
--

 Summary: Create a Builder to make an RPC server
 Key: HADOOP-8736
 URL: https://issues.apache.org/jira/browse/HADOOP-8736
 Project: Hadoop Common
  Issue Type: Improvement
  Components: ipc
Affects Versions: 3.0.0
Reporter: Brandon Li
Assignee: Brandon Li


There are quite a few variants of getServer() method to create an RPC server. 
Create a builder class to abstract the building steps and avoid more 
getServer() variants in the future.

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[jira] [Created] (HADOOP-8711) provide an option for IPC server users to avoid printing stack information for certain exceptions

2012-08-20 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8711:
--

 Summary: provide an option for IPC server users to avoid printing 
stack information for certain exceptions
 Key: HADOOP-8711
 URL: https://issues.apache.org/jira/browse/HADOOP-8711
 Project: Hadoop Common
  Issue Type: Improvement
  Components: ipc
Reporter: Brandon Li
Assignee: Brandon Li
 Fix For: 3.0.0


Currently it's hard coded in the server that it doesn't print the exception 
stack for StandbyException. 

Similarly, other components may have their own exceptions which don't need to 
save the stack trace in log. One example is HDFS-3817.

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[jira] [Created] (HADOOP-8617) backport pure Java CRC32 calculator changes to branch-1

2012-07-24 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8617:
--

 Summary: backport pure Java CRC32 calculator changes to branch-1
 Key: HADOOP-8617
 URL: https://issues.apache.org/jira/browse/HADOOP-8617
 Project: Hadoop Common
  Issue Type: Bug
Reporter: Brandon Li
Assignee: Brandon Li


Multiple efforts have been made gradually to improve the CRC performance in 
Hadoop. This JIRA is to back port these changes to branch-1, which include 
HADOOP-6166, HADOOP-6148, HADOOP-7333.

The related HDFS and MAPREDUCE patches (e.g., HDFS-496 and MR-782) will be 
uploaded to their original JIRAs.

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[jira] [Created] (HADOOP-8593) add the missed @Override to Metric/Metric2 package

2012-07-13 Thread Brandon Li (JIRA)
Brandon Li created HADOOP-8593:
--

 Summary: add  the missed @Override to Metric/Metric2 package
 Key: HADOOP-8593
 URL: https://issues.apache.org/jira/browse/HADOOP-8593
 Project: Hadoop Common
  Issue Type: Improvement
  Components: metrics
Reporter: Brandon Li
Assignee: Brandon Li
Priority: Minor


Adding @Override to the proper methods to take advantage of the compiler 
checking and make the code more readable. 

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