[jira] [Updated] (HDFS-13227) Add a method to calculate cumulative diff over multiple snapshots in DirectoryDiffList

2018-03-19 Thread Wangda Tan (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-13227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wangda Tan updated HDFS-13227:
--
Fix Version/s: 3.1.0

> Add a method to  calculate cumulative diff over multiple snapshots in 
> DirectoryDiffList
> ---
>
> Key: HDFS-13227
> URL: https://issues.apache.org/jira/browse/HDFS-13227
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: snapshots
>Reporter: Shashikant Banerjee
>Assignee: Shashikant Banerjee
>Priority: Minor
> Fix For: 3.1.0, 3.2.0
>
> Attachments: HDFS-13227.001.patch
>
>
> This Jira proposes to add an API in DirectoryWithSnapshotFeature#f 
> DirectoryDiffList which will return minimal list of diffs needed to combine 
> to get the cumulative diff between two given snapshots. The same method will 
> be made use while constructing the childrenList for a directory. 
> DirectoryWithSnapshotFeature#getChildrenList and 
> DirectoryWithSnapshotFeature#computeDiffBetweenSnapshots will make use of the 
> same method to get the cumulative diff. When snapshotSkipList, with minimal 
> set of diffs to combine in order to get the cumulative diff, the overall 
> computation will be faster.



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[jira] [Updated] (HDFS-13227) Add a method to calculate cumulative diff over multiple snapshots in DirectoryDiffList

2018-03-06 Thread Tsz Wo Nicholas Sze (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-13227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Tsz Wo Nicholas Sze updated HDFS-13227:
---
   Resolution: Fixed
Fix Version/s: 3.2.0
   Status: Resolved  (was: Patch Available)

I have committed this.  Thanks, Shashi!

> Add a method to  calculate cumulative diff over multiple snapshots in 
> DirectoryDiffList
> ---
>
> Key: HDFS-13227
> URL: https://issues.apache.org/jira/browse/HDFS-13227
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: snapshots
>Reporter: Shashikant Banerjee
>Assignee: Shashikant Banerjee
>Priority: Minor
> Fix For: 3.2.0
>
> Attachments: HDFS-13227.001.patch
>
>
> This Jira proposes to add an API in DirectoryWithSnapshotFeature#f 
> DirectoryDiffList which will return minimal list of diffs needed to combine 
> to get the cumulative diff between two given snapshots. The same method will 
> be made use while constructing the childrenList for a directory. 
> DirectoryWithSnapshotFeature#getChildrenList and 
> DirectoryWithSnapshotFeature#computeDiffBetweenSnapshots will make use of the 
> same method to get the cumulative diff. When snapshotSkipList, with minimal 
> set of diffs to combine in order to get the cumulative diff, the overall 
> computation will be faster.



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[jira] [Updated] (HDFS-13227) Add a method to calculate cumulative diff over multiple snapshots in DirectoryDiffList

2018-03-06 Thread Tsz Wo Nicholas Sze (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-13227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Tsz Wo Nicholas Sze updated HDFS-13227:
---
Priority: Minor  (was: Major)
Hadoop Flags: Reviewed

+1 patch looks good.

> Add a method to  calculate cumulative diff over multiple snapshots in 
> DirectoryDiffList
> ---
>
> Key: HDFS-13227
> URL: https://issues.apache.org/jira/browse/HDFS-13227
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: snapshots
>Reporter: Shashikant Banerjee
>Assignee: Shashikant Banerjee
>Priority: Minor
> Attachments: HDFS-13227.001.patch
>
>
> This Jira proposes to add an API in DirectoryWithSnapshotFeature#f 
> DirectoryDiffList which will return minimal list of diffs needed to combine 
> to get the cumulative diff between two given snapshots. The same method will 
> be made use while constructing the childrenList for a directory. 
> DirectoryWithSnapshotFeature#getChildrenList and 
> DirectoryWithSnapshotFeature#computeDiffBetweenSnapshots will make use of the 
> same method to get the cumulative diff. When snapshotSkipList, with minimal 
> set of diffs to combine in order to get the cumulative diff, the overall 
> computation will be faster.



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[jira] [Updated] (HDFS-13227) Add a method to calculate cumulative diff over multiple snapshots in DirectoryDiffList

2018-03-05 Thread Shashikant Banerjee (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-13227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Shashikant Banerjee updated HDFS-13227:
---
Status: Patch Available  (was: Open)

> Add a method to  calculate cumulative diff over multiple snapshots in 
> DirectoryDiffList
> ---
>
> Key: HDFS-13227
> URL: https://issues.apache.org/jira/browse/HDFS-13227
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: snapshots
>Reporter: Shashikant Banerjee
>Assignee: Shashikant Banerjee
>Priority: Major
> Attachments: HDFS-13227.001.patch
>
>
> This Jira proposes to add an API in DirectoryWithSnapshotFeature#f 
> DirectoryDiffList which will return minimal list of diffs needed to combine 
> to get the cumulative diff between two given snapshots. The same method will 
> be made use while constructing the childrenList for a directory. 
> DirectoryWithSnapshotFeature#getChildrenList and 
> DirectoryWithSnapshotFeature#computeDiffBetweenSnapshots will make use of the 
> same method to get the cumulative diff. When snapshotSkipList, with minimal 
> set of diffs to combine in order to get the cumulative diff, the overall 
> computation will be faster.



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[jira] [Updated] (HDFS-13227) Add a method to calculate cumulative diff over multiple snapshots in DirectoryDiffList

2018-03-05 Thread Shashikant Banerjee (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-13227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Shashikant Banerjee updated HDFS-13227:
---
Attachment: HDFS-13227.001.patch

> Add a method to  calculate cumulative diff over multiple snapshots in 
> DirectoryDiffList
> ---
>
> Key: HDFS-13227
> URL: https://issues.apache.org/jira/browse/HDFS-13227
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: snapshots
>Reporter: Shashikant Banerjee
>Assignee: Shashikant Banerjee
>Priority: Major
> Attachments: HDFS-13227.001.patch
>
>
> This Jira proposes to add an API in DirectoryWithSnapshotFeature#f 
> DirectoryDiffList which will return minimal list of diffs needed to combine 
> to get the cumulative diff between two given snapshots. The same method will 
> be made use while constructing the childrenList for a directory. 
> DirectoryWithSnapshotFeature#getChildrenList and 
> DirectoryWithSnapshotFeature#computeDiffBetweenSnapshots will make use of the 
> same method to get the cumulative diff. When snapshotSkipList, with minimal 
> set of diffs to combine in order to get the cumulative diff, the overall 
> computation will be faster.



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[jira] [Updated] (HDFS-13227) Add a method to calculate cumulative diff over multiple snapshots in DirectoryDiffList

2018-03-05 Thread Shashikant Banerjee (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-13227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Shashikant Banerjee updated HDFS-13227:
---
Description: This Jira proposes to add an API in 
DirectoryWithSnapshotFeature#f DirectoryDiffList which will return minimal list 
of diffs needed to combine to get the cumulative diff between two given 
snapshots. The same method will be made use while constructing the childrenList 
for a directory. DirectoryWithSnapshotFeature#getChildrenList and 
DirectoryWithSnapshotFeature#computeDiffBetweenSnapshots will make use of the 
same method to get the cumulative diff. When snapshotSkipList, with minimal set 
of diffs to combine in order to get the cumulative diff, the overall 
computation will be faster.  (was: This Jira proposes to add an API in 
DirectoryWithSnapshotFeature#f DirectoryDiffList which will return minimal list 
of diffs needed to combine to get the cumulative diff between two given 
snapshots. The same method will be made use while constructing the childrenList 
for a directory. DirectoryWithSnapshotFeature#getChildrenList     and 
DirectoryWithSnapshotFeature#computeDiffBetweenSnapshots will make use of the 
same method to get the cumulative diff. When snapshotSkipList, with minimal set 
of diffs to combine in order to get the cumulative diff, the overall 
computation will be faster.)

> Add a method to  calculate cumulative diff over multiple snapshots in 
> DirectoryDiffList
> ---
>
> Key: HDFS-13227
> URL: https://issues.apache.org/jira/browse/HDFS-13227
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: snapshots
>Reporter: Shashikant Banerjee
>Assignee: Shashikant Banerjee
>Priority: Major
>
> This Jira proposes to add an API in DirectoryWithSnapshotFeature#f 
> DirectoryDiffList which will return minimal list of diffs needed to combine 
> to get the cumulative diff between two given snapshots. The same method will 
> be made use while constructing the childrenList for a directory. 
> DirectoryWithSnapshotFeature#getChildrenList and 
> DirectoryWithSnapshotFeature#computeDiffBetweenSnapshots will make use of the 
> same method to get the cumulative diff. When snapshotSkipList, with minimal 
> set of diffs to combine in order to get the cumulative diff, the overall 
> computation will be faster.



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