[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Manoj Govindassamy updated HADOOP-13055:
Attachment: HADOOP-13055.04.patch
Attaching v04 patch after rebase.
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>Assignee: Manoj Govindassamy
> Attachments: HADOOP-13055.00.patch, HADOOP-13055.01.patch,
> HADOOP-13055.02.patch, HADOOP-13055.03.patch, HADOOP-13055.04.patch
>
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Manoj Govindassamy updated HADOOP-13055:
Attachment: HADOOP-13055.03.patch
Attached v03 patch, an enhancement on top of [~zhz]'s path. It addresses the
following
1. More verification for valid linkMergeSlash mount table entries
2. Mountable list update even for linkMergeSlash entry so that callers of
FileSystem.getChildFileSystems() gets to see the slash mountpoint
3. Unit test which makes use of Federated topology and multiple mount tables.
and some basic verification. Will add more tests around renames, distcp in the
follow up jiras.
4. Little bit of code cleanups in {{InodeTree}} around the areas where new
fixes are added. More extensive code cleanup in {{ViewFileSystem}} and
{{InodeTree}} will be done as part of a separate jira.
[~andrew.wang], [~eddyxu], [~zhz], can you please take a look at the patch and
let me know your comments ?
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>Assignee: Manoj Govindassamy
> Attachments: HADOOP-13055.00.patch, HADOOP-13055.01.patch,
> HADOOP-13055.02.patch, HADOOP-13055.03.patch
>
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lei (Eddy) Xu updated HADOOP-13055:
---
Assignee: Manoj Govindassamy
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>Assignee: Manoj Govindassamy
> Attachments: HADOOP-13055.00.patch, HADOOP-13055.01.patch,
> HADOOP-13055.02.patch
>
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhe Zhang updated HADOOP-13055:
---
Assignee: (was: Zhe Zhang)
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
> Attachments: HADOOP-13055.00.patch, HADOOP-13055.01.patch,
> HADOOP-13055.02.patch
>
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhe Zhang updated HADOOP-13055:
---
Attachment: HADOOP-13055.02.patch
Updating patch to fix unit test failure, and improve {{resolve]} logic.
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>Assignee: Zhe Zhang
> Attachments: HADOOP-13055.00.patch, HADOOP-13055.01.patch,
> HADOOP-13055.02.patch
>
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhe Zhang updated HADOOP-13055:
---
Attachment: HADOOP-13055.01.patch
Updating patch:
# Fixing a bug in initializing {{root}} which caused the unit test failures
# Enforcing that merge slash and regular links don't co-exist
# Add unit test for above
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>Assignee: Zhe Zhang
> Attachments: HADOOP-13055.00.patch, HADOOP-13055.01.patch
>
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhe Zhang updated HADOOP-13055:
---
Attachment: HADOOP-13055.00.patch
Pretty rough initial patch to test whether the idea breaks any existing unit
tests. I'm still working on:
# Enforcing {{linkMergeSlash}} is not used together with regular links
# An issue on {{ViewFileSystem#getFileStatus}} causing the returned status to
have a wrong path (the {{LocatedFileStatus}} that it wraps is correct)
# More unit tests
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>Assignee: Zhe Zhang
> Attachments: HADOOP-13055.00.patch
>
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhe Zhang updated HADOOP-13055:
---
Status: Patch Available (was: Open)
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>Assignee: Zhe Zhang
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhe Zhang updated HADOOP-13055:
---
Target Version/s: 2.7.4 (was: 2.8.0)
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>Assignee: Zhe Zhang
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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[jira] [Updated] (HADOOP-13055) Implement linkMergeSlash for ViewFs
[
https://issues.apache.org/jira/browse/HADOOP-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhe Zhang updated HADOOP-13055:
---
Assignee: (was: Zhe Zhang)
> Implement linkMergeSlash for ViewFs
> ---
>
> Key: HADOOP-13055
> URL: https://issues.apache.org/jira/browse/HADOOP-13055
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, viewfs
>Reporter: Zhe Zhang
>
> In a multi-cluster environment it is sometimes useful to operate on the root
> / slash directory of an HDFS cluster. E.g., list all top level directories.
> Quoting the comment in {{ViewFs}}:
> {code}
> * A special case of the merge mount is where mount table's root is merged
> * with the root (slash) of another file system:
> *
> * fs.viewfs.mounttable.default.linkMergeSlash=hdfs://nn99/
> *
> * In this cases the root of the mount table is merged with the root of
> *hdfs://nn99/
> {code}
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