[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-6524) Choosing datanode retries times considering with block replica number
[ 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. -- This message was sent by Atlassian Jira (v8.3.2#803003) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org