[jira] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17492607#comment-17492607 ] Takanobu Asanuma commented on HDFS-15745: - I'd like to cherry-pick it into branch-3.3 based on [~huanghaibin]'s work. Created the PR: https://github.com/apache/hadoop/pull/3992 > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Labels: pull-request-available > Fix For: 3.4.0 > > Attachments: HDFS-15745-001.patch, HDFS-15745-002.patch, > HDFS-15745-003.patch, HDFS-15745-branch-3.1.001.patch, > HDFS-15745-branch-3.2.001.patch, HDFS-15745-branch-3.3.001.patch, > image-2020-12-22-17-00-50-796.png > > Time Spent: 10m > Remaining Estimate: 0h > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- This message was sent by Atlassian Jira (v8.20.1#820001) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17309362#comment-17309362 ] Haibin Huang commented on HDFS-15745: - Thanks [~prasad-acit] for comment, i have update this patch for branch 3.1 & 3.2 &3.3, [~ayushtkn] would you mind commit them? > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Fix For: 3.4.0 > > Attachments: HDFS-15745-001.patch, HDFS-15745-002.patch, > HDFS-15745-003.patch, HDFS-15745-branch-3.1.001.patch, > HDFS-15745-branch-3.2.001.patch, HDFS-15745-branch-3.3.001.patch, > image-2020-12-22-17-00-50-796.png > > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- 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] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17292490#comment-17292490 ] Renukaprasad C commented on HDFS-15745: --- Thanks [~huanghaibin] for reporting & [~ayushtkn] for quick review and commit. Can we merge the same to 3.3 & 3.1 branches as well? > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Fix For: 3.4.0 > > Attachments: HDFS-15745-001.patch, HDFS-15745-002.patch, > HDFS-15745-003.patch, image-2020-12-22-17-00-50-796.png > > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- 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] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17257147#comment-17257147 ] Ayush Saxena commented on HDFS-15745: - Committed to trunk. Thanx [~huanghaibin] for the contribution!!! > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Attachments: HDFS-15745-001.patch, HDFS-15745-002.patch, > HDFS-15745-003.patch, image-2020-12-22-17-00-50-796.png > > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- 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] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17257146#comment-17257146 ] Ayush Saxena commented on HDFS-15745: - +1 for v003 > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Attachments: HDFS-15745-001.patch, HDFS-15745-002.patch, > HDFS-15745-003.patch, image-2020-12-22-17-00-50-796.png > > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- 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] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[
https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17257107#comment-17257107
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Hadoop QA commented on HDFS-15745:
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[jira] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17257080#comment-17257080 ] Haibin Huang commented on HDFS-15745: - Thanx [~ayushtkn], i have updated the patch. > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Attachments: HDFS-15745-001.patch, HDFS-15745-002.patch, > HDFS-15745-003.patch, image-2020-12-22-17-00-50-796.png > > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- 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] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17257031#comment-17257031 ] Ayush Saxena commented on HDFS-15745: - Thanx [~huanghaibin] for the update. v002 LGTM +1 > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Attachments: HDFS-15745-001.patch, HDFS-15745-002.patch, > image-2020-12-22-17-00-50-796.png > > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- 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] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
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https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17257023#comment-17257023
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Hadoop QA commented on HDFS-15745:
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[jira] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17256966#comment-17256966 ] Haibin Huang commented on HDFS-15745: - Thanks [~ayushtkn] for review, i have update the patch, take a look please. > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Attachments: HDFS-15745-001.patch, HDFS-15745-002.patch, > image-2020-12-22-17-00-50-796.png > > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- 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] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
[ https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17256481#comment-17256481 ] Ayush Saxena commented on HDFS-15745: - Thanx [~huanghaibin] for the patch. Had a quick look, Minor comments * Making configurable is Ok, but we should keep the default the value as is. * You need to add the new conf in hdfs-defaults * Checkstyle needs to be fixed. > Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES > configurable > -- > > Key: HDFS-15745 > URL: https://issues.apache.org/jira/browse/HDFS-15745 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haibin Huang >Assignee: Haibin Huang >Priority: Major > Attachments: HDFS-15745-001.patch, image-2020-12-22-17-00-50-796.png > > > When i enable DataNodePeerMetrics to find slow slow peer in cluster, i found > there is a lot of slow peer but ReportingNodes's averageDelay is very low, > and these slow peer node are normal. I think the reason of why generating so > many slow peer is that the value of DataNodePeerMetrics#LOW_THRESHOLD_MS is > too small (only 5ms) and it is not configurable. The default value of slow io > warning log threshold is 300ms, i.e. > DFSConfigKeys.DFS_DATANODE_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 300, so > DataNodePeerMetrics#LOW_THRESHOLD_MS should not be less than 300ms, otherwise > namenode will get a lot of invalid slow peer information. > !image-2020-12-22-17-00-50-796.png! -- 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] [Commented] (HDFS-15745) Make DataNodePeerMetrics#LOW_THRESHOLD_MS and MIN_OUTLIER_DETECTION_NODES configurable
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https://issues.apache.org/jira/browse/HDFS-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17253457#comment-17253457
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Hadoop QA commented on HDFS-15745:
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| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green}{color} | {color:green} The patch does not contain any
@author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m
0s{color} | {color:red}{color} | {color:red} The patch doesn't appear to
include any new or modified tests. Please justify why no new tests are needed
for this patch. Also please list what manual steps were performed to verify
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m
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18s{color} | {color:green}{color} | {color:green} trunk passed with JDK
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9s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private
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17m 24s{color} | {color:green}{color} | {color:green} branch has no errors when
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53s{color} | {color:green}{color} | {color:green} trunk passed with JDK
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