[jira] [Updated] (HDFS-13880) Add mechanism to allow certain RPC calls to bypass sync
[
https://issues.apache.org/jira/browse/HDFS-13880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chen Liang updated HDFS-13880:
--
Fix Version/s: HDFS-12943
> Add mechanism to allow certain RPC calls to bypass sync
> ---
>
> Key: HDFS-13880
> URL: https://issues.apache.org/jira/browse/HDFS-13880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Reporter: Chen Liang
>Assignee: Chen Liang
>Priority: Major
> Fix For: HDFS-12943
>
> Attachments: HDFS-13880-HDFS-12943.001.patch,
> HDFS-13880-HDFS-12943.002.patch, HDFS-13880-HDFS-12943.003.patch,
> HDFS-13880-HDFS-12943.004.patch, HDFS-13880-HDFS-12943.005.patch
>
>
> Currently, every single call to NameNode will be synced, in the sense that
> NameNode will not process it until state id catches up. But in certain cases,
> we would like to bypass this check and allow the call to return immediately,
> even when the server id is not up to date. One case could be the to-be-added
> new API in HDFS-13749 that request for current state id. Others may include
> calls that do not promise real time responses such as {{getContentSummary}}.
> This Jira is to add the mechanism to allow certain calls to bypass sync.
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[jira] [Updated] (HDFS-13880) Add mechanism to allow certain RPC calls to bypass sync
[
https://issues.apache.org/jira/browse/HDFS-13880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chen Liang updated HDFS-13880:
--
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Add mechanism to allow certain RPC calls to bypass sync
> ---
>
> Key: HDFS-13880
> URL: https://issues.apache.org/jira/browse/HDFS-13880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Reporter: Chen Liang
>Assignee: Chen Liang
>Priority: Major
> Attachments: HDFS-13880-HDFS-12943.001.patch,
> HDFS-13880-HDFS-12943.002.patch, HDFS-13880-HDFS-12943.003.patch,
> HDFS-13880-HDFS-12943.004.patch, HDFS-13880-HDFS-12943.005.patch
>
>
> Currently, every single call to NameNode will be synced, in the sense that
> NameNode will not process it until state id catches up. But in certain cases,
> we would like to bypass this check and allow the call to return immediately,
> even when the server id is not up to date. One case could be the to-be-added
> new API in HDFS-13749 that request for current state id. Others may include
> calls that do not promise real time responses such as {{getContentSummary}}.
> This Jira is to add the mechanism to allow certain calls to bypass sync.
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[jira] [Updated] (HDFS-13880) Add mechanism to allow certain RPC calls to bypass sync
[
https://issues.apache.org/jira/browse/HDFS-13880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chen Liang updated HDFS-13880:
--
Attachment: HDFS-13880-HDFS-12943.005.patch
> Add mechanism to allow certain RPC calls to bypass sync
> ---
>
> Key: HDFS-13880
> URL: https://issues.apache.org/jira/browse/HDFS-13880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Reporter: Chen Liang
>Assignee: Chen Liang
>Priority: Major
> Attachments: HDFS-13880-HDFS-12943.001.patch,
> HDFS-13880-HDFS-12943.002.patch, HDFS-13880-HDFS-12943.003.patch,
> HDFS-13880-HDFS-12943.004.patch, HDFS-13880-HDFS-12943.005.patch
>
>
> Currently, every single call to NameNode will be synced, in the sense that
> NameNode will not process it until state id catches up. But in certain cases,
> we would like to bypass this check and allow the call to return immediately,
> even when the server id is not up to date. One case could be the to-be-added
> new API in HDFS-13749 that request for current state id. Others may include
> calls that do not promise real time responses such as {{getContentSummary}}.
> This Jira is to add the mechanism to allow certain calls to bypass sync.
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[jira] [Updated] (HDFS-13880) Add mechanism to allow certain RPC calls to bypass sync
[
https://issues.apache.org/jira/browse/HDFS-13880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chen Liang updated HDFS-13880:
--
Attachment: HDFS-13880-HDFS-12943.004.patch
> Add mechanism to allow certain RPC calls to bypass sync
> ---
>
> Key: HDFS-13880
> URL: https://issues.apache.org/jira/browse/HDFS-13880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Reporter: Chen Liang
>Assignee: Chen Liang
>Priority: Major
> Attachments: HDFS-13880-HDFS-12943.001.patch,
> HDFS-13880-HDFS-12943.002.patch, HDFS-13880-HDFS-12943.003.patch,
> HDFS-13880-HDFS-12943.004.patch
>
>
> Currently, every single call to NameNode will be synced, in the sense that
> NameNode will not process it until state id catches up. But in certain cases,
> we would like to bypass this check and allow the call to return immediately,
> even when the server id is not up to date. One case could be the to-be-added
> new API in HDFS-13749 that request for current state id. Others may include
> calls that do not promise real time responses such as {{getContentSummary}}.
> This Jira is to add the mechanism to allow certain calls to bypass sync.
--
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[jira] [Updated] (HDFS-13880) Add mechanism to allow certain RPC calls to bypass sync
[
https://issues.apache.org/jira/browse/HDFS-13880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chen Liang updated HDFS-13880:
--
Attachment: HDFS-13880-HDFS-12943.003.patch
> Add mechanism to allow certain RPC calls to bypass sync
> ---
>
> Key: HDFS-13880
> URL: https://issues.apache.org/jira/browse/HDFS-13880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Reporter: Chen Liang
>Assignee: Chen Liang
>Priority: Major
> Attachments: HDFS-13880-HDFS-12943.001.patch,
> HDFS-13880-HDFS-12943.002.patch, HDFS-13880-HDFS-12943.003.patch
>
>
> Currently, every single call to NameNode will be synced, in the sense that
> NameNode will not process it until state id catches up. But in certain cases,
> we would like to bypass this check and allow the call to return immediately,
> even when the server id is not up to date. One case could be the to-be-added
> new API in HDFS-13749 that request for current state id. Others may include
> calls that do not promise real time responses such as {{getContentSummary}}.
> This Jira is to add the mechanism to allow certain calls to bypass sync.
--
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[jira] [Updated] (HDFS-13880) Add mechanism to allow certain RPC calls to bypass sync
[
https://issues.apache.org/jira/browse/HDFS-13880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chen Liang updated HDFS-13880:
--
Status: Patch Available (was: Open)
> Add mechanism to allow certain RPC calls to bypass sync
> ---
>
> Key: HDFS-13880
> URL: https://issues.apache.org/jira/browse/HDFS-13880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Reporter: Chen Liang
>Assignee: Chen Liang
>Priority: Major
> Attachments: HDFS-13880-HDFS-12943.001.patch,
> HDFS-13880-HDFS-12943.002.patch
>
>
> Currently, every single call to NameNode will be synced, in the sense that
> NameNode will not process it until state id catches up. But in certain cases,
> we would like to bypass this check and allow the call to return immediately,
> even when the server id is not up to date. One case could be the to-be-added
> new API in HDFS-13749 that request for current state id. Others may include
> calls that do not promise real time responses such as {{getContentSummary}}.
> This Jira is to add the mechanism to allow certain calls to bypass sync.
--
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[jira] [Updated] (HDFS-13880) Add mechanism to allow certain RPC calls to bypass sync
[
https://issues.apache.org/jira/browse/HDFS-13880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chen Liang updated HDFS-13880:
--
Attachment: HDFS-13880-HDFS-12943.002.patch
> Add mechanism to allow certain RPC calls to bypass sync
> ---
>
> Key: HDFS-13880
> URL: https://issues.apache.org/jira/browse/HDFS-13880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Reporter: Chen Liang
>Assignee: Chen Liang
>Priority: Major
> Attachments: HDFS-13880-HDFS-12943.001.patch,
> HDFS-13880-HDFS-12943.002.patch
>
>
> Currently, every single call to NameNode will be synced, in the sense that
> NameNode will not process it until state id catches up. But in certain cases,
> we would like to bypass this check and allow the call to return immediately,
> even when the server id is not up to date. One case could be the to-be-added
> new API in HDFS-13749 that request for current state id. Others may include
> calls that do not promise real time responses such as {{getContentSummary}}.
> This Jira is to add the mechanism to allow certain calls to bypass sync.
--
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[jira] [Updated] (HDFS-13880) Add mechanism to allow certain RPC calls to bypass sync
[
https://issues.apache.org/jira/browse/HDFS-13880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chen Liang updated HDFS-13880:
--
Attachment: HDFS-13880-HDFS-12943.001.patch
> Add mechanism to allow certain RPC calls to bypass sync
> ---
>
> Key: HDFS-13880
> URL: https://issues.apache.org/jira/browse/HDFS-13880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
>Reporter: Chen Liang
>Assignee: Chen Liang
>Priority: Major
> Attachments: HDFS-13880-HDFS-12943.001.patch
>
>
> Currently, every single call to NameNode will be synced, in the sense that
> NameNode will not process it until state id catches up. But in certain cases,
> we would like to bypass this check and allow the call to return immediately,
> even when the server id is not up to date. One case could be the to-be-added
> new API in HDFS-13749 that request for current state id. Others may include
> calls that do not promise real time responses such as {{getContentSummary}}.
> This Jira is to add the mechanism to allow certain calls to bypass sync.
--
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