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https://issues.apache.org/jira/browse/HDFS-14117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Íñigo Goiri updated HDFS-14117:
-------------------------------
Attachment: HDFS-14117-HDFS-13891.014.patch
> RBF: We can only delete the files or dirs of one subcluster in a cluster with
> multiple subclusters when trash is enabled
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-14117
> URL: https://issues.apache.org/jira/browse/HDFS-14117
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: venkata ramkumar
> Assignee: venkata ramkumar
> Priority: Major
> Labels: RBF
> Attachments: HDFS-14117-HDFS-13891.001.patch,
> HDFS-14117-HDFS-13891.002.patch, HDFS-14117-HDFS-13891.003.patch,
> HDFS-14117-HDFS-13891.004.patch, HDFS-14117-HDFS-13891.005.patch,
> HDFS-14117-HDFS-13891.006.patch, HDFS-14117-HDFS-13891.007.patch,
> HDFS-14117-HDFS-13891.008.patch, HDFS-14117-HDFS-13891.009.patch,
> HDFS-14117-HDFS-13891.010.patch, HDFS-14117-HDFS-13891.011.patch,
> HDFS-14117-HDFS-13891.012.patch, HDFS-14117-HDFS-13891.013.patch,
> HDFS-14117-HDFS-13891.014.patch, HDFS-14117.001.patch, HDFS-14117.002.patch,
> HDFS-14117.003.patch, HDFS-14117.004.patch, HDFS-14117.005.patch
>
>
> When we delete files or dirs in hdfs, it will move the deleted files or dirs
> to trash by default.
> But in the global path we can only mount one trash dir /user. So we mount
> trash dir /user of the subcluster ns1 to the global path /user. Then we can
> delete files or dirs of ns1, but when we delete the files or dirs of another
> subcluser, such as hacluster, it will be failed.
> h1. Mount Table
> ||Global path||Target nameservice||Target path||Order||Read
> only||Owner||Group||Permission||Quota/Usage||Date Modified||Date Created||
> |/test|hacluster2|/test| | |securedn|users|rwxr-xr-x|[NsQuota: -/-, SsQuota:
> -/-]|2018/11/29 14:37:42|2018/11/29 14:37:42|
> |/tmp|hacluster1|/tmp| | |securedn|users|rwxr-xr-x|[NsQuota: -/-, SsQuota:
> -/-]|2018/11/29 14:37:05|2018/11/29 14:37:05|
> |/user|hacluster2,hacluster1|/user|HASH| |securedn|users|rwxr-xr-x|[NsQuota:
> -/-, SsQuota: -/-]|2018/11/29 14:42:37|2018/11/29 14:38:20|
> commands:
> {noformat}
> 1./opt/HAcluater_ram1/install/hadoop/router/bin> ./hdfs dfs -ls /test/.
> 18/11/30 11:00:47 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> Found 1 items
> -rw-r--r-- 3 securedn supergroup 8081 2018-11-30 10:56 /test/hdfs.cmd
> 2./opt/HAcluater_ram1/install/hadoop/router/bin> ./hdfs dfs -ls /tmp/.
> 18/11/30 11:00:40 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> Found 1 items
> -rw-r--r-- 3 securedn supergroup 6311 2018-11-30 10:57 /tmp/mapred.cmd
> 3../opt/HAcluater_ram1/install/hadoop/router/bin> ./hdfs dfs -rm
> /tmp/mapred.cmd
> 18/11/30 11:01:02 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> rm: Failed to move to trash: hdfs://router/tmp/mapred.cmd: rename destination
> parent /user/securedn/.Trash/Current/tmp/mapred.cmd not found.
> 4./opt/HAcluater_ram1/install/hadoop/router/bin> ./hdfs dfs -rm /test/hdfs.cmd
> 18/11/30 11:01:20 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> 18/11/30 11:01:22 INFO fs.TrashPolicyDefault: Moved:
> 'hdfs://router/test/hdfs.cmd' to trash at:
> hdfs://router/user/securedn/.Trash/Current/test/hdfs.cmd
> {noformat}
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