[jira] [Created] (HDFS-12547) Extend TestQuotaWithStripedBlocks with a random EC policy

2017-09-25 Thread Takanobu Asanuma (JIRA)
Takanobu Asanuma created HDFS-12547:
---

 Summary: Extend TestQuotaWithStripedBlocks with a random EC policy
 Key: HDFS-12547
 URL: https://issues.apache.org/jira/browse/HDFS-12547
 Project: Hadoop HDFS
  Issue Type: Sub-task
  Components: erasure-coding, test
Reporter: Takanobu Asanuma
Assignee: Takanobu Asanuma






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[jira] [Reopened] (HDFS-11613) Ozone: Cleanup findbugs issues

2017-09-25 Thread Mukul Kumar Singh (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-11613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Mukul Kumar Singh reopened HDFS-11613:
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Found a findbugs issue, reopening

> Ozone: Cleanup findbugs issues
> --
>
> Key: HDFS-11613
> URL: https://issues.apache.org/jira/browse/HDFS-11613
> Project: Hadoop HDFS
>  Issue Type: Sub-task
>  Components: ozone
>Affects Versions: HDFS-7240
>Reporter: Anu Engineer
>Assignee: Mukul Kumar Singh
>Priority: Blocker
>  Labels: ozoneMerge
>
> Some of the ozone checkins happened before Findbugs started running on test 
> files. This will cause issues when we attempt to merge with trunk. This jira 
> tracks cleaning up all Findbugs issue under ozone.



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[jira] [Created] (HDFS-12546) Ozone: DB listing operation performance improvement

2017-09-25 Thread Weiwei Yang (JIRA)
Weiwei Yang created HDFS-12546:
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 Summary: Ozone: DB listing operation performance improvement
 Key: HDFS-12546
 URL: https://issues.apache.org/jira/browse/HDFS-12546
 Project: Hadoop HDFS
  Issue Type: Sub-task
  Components: ozone
Reporter: Weiwei Yang
Assignee: Weiwei Yang


While investigating HDFS-12506, I found there are several {{getRangeKVs}} can 
be replaced by {{getSequentialRangeKVs}} to improve the performance. This JIRA 
is to track these improvements with sufficient tests.



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[jira] [Created] (HDFS-12545) Autotune NameNode RPC handler threads according to number of datanodes in cluster

2017-09-25 Thread Ajay Kumar (JIRA)
Ajay Kumar created HDFS-12545:
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 Summary: Autotune NameNode RPC handler threads according to number 
of datanodes in cluster
 Key: HDFS-12545
 URL: https://issues.apache.org/jira/browse/HDFS-12545
 Project: Hadoop HDFS
  Issue Type: Improvement
Reporter: Ajay Kumar
Assignee: Ajay Kumar


Autotune NameNode RPC handler threads according to number of datanodes in 
cluster. Currently rpc handler are controlled by {{dfs.namenode.handler.count}} 
on cluster start. Jira is to discuss best way to auto tune it according to no 
of datanodes. Updating this to {{max(dfs.namenode.handler.count, min(200,20 * 
log2(no of datanodes)))}} on NameNode start is one possible way. 



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HDFS NN FSNamesystemLock throughput

2017-09-25 Thread Wei Yan
Hi, guys,

Recently we're looking into HDFS NameNode FSNamesystemLock implementation.
As it uses Java's ReentrantReadWriteLock, after configing the lock to
nonfair mode, the RPC throughput has been improved a lot. Just wonder
whether anyboby have played around the reader/writer preference further in
the lock (or directly used another lock implementation) to achieve higher
throughput, absolutely there will be trade-off between throughput and write
starvation.

thanks,
Wei


[jira] [Created] (HDFS-12544) SnapshotDiff - support diff generation on any snapshot root descendant directory

2017-09-25 Thread Manoj Govindassamy (JIRA)
Manoj Govindassamy created HDFS-12544:
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 Summary: SnapshotDiff - support diff generation on any snapshot 
root descendant directory
 Key: HDFS-12544
 URL: https://issues.apache.org/jira/browse/HDFS-12544
 Project: Hadoop HDFS
  Issue Type: Improvement
  Components: hdfs
Affects Versions: 3.0.0-beta1
Reporter: Manoj Govindassamy
Assignee: Manoj Govindassamy


{noformat}
# hdfs snapshotDiff   
{noformat}

Using snapshot diff command, we can generate a diff report between any two 
given snapshots under a snapshot root directory. The command today only accepts 
the path that is a snapshot root. There are many deployments where the snapshot 
root is configured at the higher level directory but the diff report needed is 
only for a specific directory under the snapshot root. In these cases, the diff 
report can be filtered for changes pertaining to the directory we are 
interested in. But when the snapshot root directory is very huge, the snapshot 
diff report generation can take minutes even if we are interested to know the 
changes only in a small directory. So, it would be highly performant if the 
diff report calculation can be limited to the snapshot directory only instead 
of the whole snapshot root.



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[jira] [Created] (HDFS-12543) Ozone : allow create key without specifying size

2017-09-25 Thread Chen Liang (JIRA)
Chen Liang created HDFS-12543:
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 Summary: Ozone : allow create key without specifying size
 Key: HDFS-12543
 URL: https://issues.apache.org/jira/browse/HDFS-12543
 Project: Hadoop HDFS
  Issue Type: Improvement
Reporter: Chen Liang
Assignee: Chen Liang


Currently when creating a key, it is required to specify the total size of the 
key. This makes it inconvenient for the case where a key is created and data 
keeps coming and being appended. This JIRA is remove the requirement of 
specifying the size on key creation, and allows appending to the key 
indefinitely.



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[jira] [Created] (HDFS-12542) Update javadoc and documentation for listStatus

2017-09-25 Thread Ajay Kumar (JIRA)
Ajay Kumar created HDFS-12542:
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 Summary: Update javadoc and documentation for listStatus 
 Key: HDFS-12542
 URL: https://issues.apache.org/jira/browse/HDFS-12542
 Project: Hadoop HDFS
  Issue Type: Improvement
Reporter: Ajay Kumar
Assignee: Ajay Kumar


Follow up jira to update javadoc and documentation for listStatus. 
([#HDFS-12162])



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Apache Hadoop qbt Report: trunk+JDK8 on Linux/x86

2017-09-25 Thread Apache Jenkins Server
For more details, see 
https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/538/

[Sep 25, 2017 4:03:06 AM] (aengineer) HDFS-12516. Suppress the fsnamesystem 
lock warning on nn startup.


[Error replacing 'FILE' - Workspace is not accessible]

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[jira] [Created] (HDFS-12541) Extend TestSafeModeWithStripedFile with a random EC policy

2017-09-25 Thread Takanobu Asanuma (JIRA)
Takanobu Asanuma created HDFS-12541:
---

 Summary: Extend TestSafeModeWithStripedFile with a random EC policy
 Key: HDFS-12541
 URL: https://issues.apache.org/jira/browse/HDFS-12541
 Project: Hadoop HDFS
  Issue Type: Sub-task
  Components: erasure-coding, test
Reporter: Takanobu Asanuma
Assignee: Takanobu Asanuma






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