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https://issues.apache.org/jira/browse/HDFS-15488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17167343#comment-17167343
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Hudson commented on HDFS-15488:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #18478 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/18478/])
HDFS-15488. Add a command to list all snapshots for a snaphottable root
(github: rev 68287371ccc66da80e6a3d7981ae6c7ce7238920)
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs.cmd
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/proto/ClientNamenodeProtocol.proto
* (add)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/snapshot/LsSnapshot.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsSnapshots.md
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/AdminHelper.java
* (add)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotStatus.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRpc.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/SnapshotManager.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/dev-support/findbugsExcludeFile.xml
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
* (add)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestListSnapshot.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterSnapshot.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/metrics/NameNodeMetrics.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirSnapshotOp.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOpsCountStatistics.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/ClientProtocol.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/protocol/TestReadOnly.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java
* (edit) hadoop-hdfs-project/hadoop-hdfs-client/src/main/proto/hdfs.proto
> Add a command to list all snapshots for a snaphottable root with snapshot Ids
> -----------------------------------------------------------------------------
>
> Key: HDFS-15488
> URL: https://issues.apache.org/jira/browse/HDFS-15488
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: snapshots
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Major
> Fix For: 3.4.0
>
> Attachments: HDFS-15488.000.patch
>
>
> Currently, the way to list snapshots is do a ls on
> <snapshotttableRootPath>/.snapshot directory. Since creation time is not
> recorded , there is no way to actually figure out the chronological order of
> snapshots. The idea here is to add a command to list snapshots for a
> snapshottable directory along with snapshot Ids which grow monotonically as
> snapshots are created in the system. With snapID, it will be helpful to
> figure out the chronology of snapshots in the system.
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