[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-08-26 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Summary: Choosing datanode  retries times considering with block replica 
number  (was: Choose datanode decides retry times considering with block 
replica number)

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-08-26 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.002.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-14 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.003.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-15 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.004.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-15 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: (was: HDFS-6524.004.patch)

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-15 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.004.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-16 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.005.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-17 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.005.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005.patch, 
> HDFS-6524.005.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-17 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: (was: HDFS-6524.005.patch)

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-17 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.005(2).patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005(2).patch, 
> HDFS-6524.005.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-26 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.006.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005(2).patch, 
> HDFS-6524.005.patch, HDFS-6524.006.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-26 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: (was: HDFS-6524.006.patch)

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005(2).patch, 
> HDFS-6524.005.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-09-26 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.006.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005(2).patch, 
> HDFS-6524.005.patch, HDFS-6524.006.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-10-13 Thread Lisheng Sun (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lisheng Sun updated HDFS-6524:
--
Attachment: HDFS-6524.007.patch

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005(2).patch, 
> HDFS-6524.005.patch, HDFS-6524.006.patch, HDFS-6524.007.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number

2019-10-21 Thread Surendra Singh Lilhore (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Surendra Singh Lilhore updated HDFS-6524:
-
Resolution: Not A Problem
Status: Resolved  (was: Patch Available)

> Choosing datanode  retries times considering with block replica number
> --
>
> Key: HDFS-6524
> URL: https://issues.apache.org/jira/browse/HDFS-6524
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs-client
>Affects Versions: 3.0.0-alpha1
>Reporter: Liang Xie
>Assignee: Lisheng Sun
>Priority: Minor
>  Labels: BB2015-05-TBR
> Attachments: HDFS-6524.001.patch, HDFS-6524.002.patch, 
> HDFS-6524.003.patch, HDFS-6524.004.patch, HDFS-6524.005(2).patch, 
> HDFS-6524.005.patch, HDFS-6524.006.patch, HDFS-6524.007.patch, HDFS-6524.txt
>
>
> Currently the chooseDataNode() does retry with the setting: 
> dfsClientConf.maxBlockAcquireFailures, which by default is 3 
> (DFS_CLIENT_MAX_BLOCK_ACQUIRE_FAILURES_DEFAULT = 3), it would be better 
> having another option, block replication factor. One cluster with only  two 
> block replica setting, or using Reed-solomon encoding solution with one 
> replica factor. It helps to reduce the long tail latency.



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