[jira] [Work logged] (HDFS-15610) Reduce datanode upgrade/hardlink thread
[ https://issues.apache.org/jira/browse/HDFS-15610?focusedWorklogId=498258=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-498258 ] ASF GitHub Bot logged work on HDFS-15610: - Author: ASF GitHub Bot Created on: 09/Oct/20 13:52 Start Date: 09/Oct/20 13:52 Worklog Time Spent: 10m Work Description: lokeshj1703 commented on pull request #2365: URL: https://github.com/apache/hadoop/pull/2365#issuecomment-705382799 The failed tests pass locally. This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking --- Worklog Id: (was: 498258) Time Spent: 1h 10m (was: 1h) > Reduce datanode upgrade/hardlink thread > --- > > Key: HDFS-15610 > URL: https://issues.apache.org/jira/browse/HDFS-15610 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Affects Versions: 3.0.0, 3.1.4 >Reporter: Karthik Palanisamy >Assignee: Karthik Palanisamy >Priority: Major > Labels: pull-request-available > Fix For: 3.4.0 > > Time Spent: 1h 10m > Remaining Estimate: 0h > > There is a kernel overhead on datanode upgrade. If datanode with millions of > blocks and 10+ disks then block-layout migration will be super expensive > during its hardlink operation. Slowness is observed when running with large > hardlink threads(dfs.datanode.block.id.layout.upgrade.threads, default is 12 > thread for each disk) and its runs for 2+ hours. > I.e 10*12=120 threads (for 10 disks) > Small test: > RHEL7, 32 cores, 20 GB RAM, 8 GB DN heap > ||dfs.datanode.block.id.layout.upgrade.threads||Blocks||Disks||Time taken|| > |12|3.3 Million|1|2 minutes and 59 seconds| > |6|3.3 Million|1|2 minutes and 35 seconds| > |3|3.3 Million|1|2 minutes and 51 seconds| > Tried same test twice and 95% is accurate (only a few sec difference on each > iteration). Using 6 thread is faster than 12 thread because of its overhead. -- 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] [Work logged] (HDFS-15610) Reduce datanode upgrade/hardlink thread
[ https://issues.apache.org/jira/browse/HDFS-15610?focusedWorklogId=498226=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-498226 ] ASF GitHub Bot logged work on HDFS-15610: - Author: ASF GitHub Bot Created on: 09/Oct/20 13:50 Start Date: 09/Oct/20 13:50 Worklog Time Spent: 10m Work Description: lokeshj1703 merged pull request #2365: URL: https://github.com/apache/hadoop/pull/2365 This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking --- Worklog Id: (was: 498226) Time Spent: 1h (was: 50m) > Reduce datanode upgrade/hardlink thread > --- > > Key: HDFS-15610 > URL: https://issues.apache.org/jira/browse/HDFS-15610 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Affects Versions: 3.0.0, 3.1.4 >Reporter: Karthik Palanisamy >Assignee: Karthik Palanisamy >Priority: Major > Labels: pull-request-available > Fix For: 3.4.0 > > Time Spent: 1h > Remaining Estimate: 0h > > There is a kernel overhead on datanode upgrade. If datanode with millions of > blocks and 10+ disks then block-layout migration will be super expensive > during its hardlink operation. Slowness is observed when running with large > hardlink threads(dfs.datanode.block.id.layout.upgrade.threads, default is 12 > thread for each disk) and its runs for 2+ hours. > I.e 10*12=120 threads (for 10 disks) > Small test: > RHEL7, 32 cores, 20 GB RAM, 8 GB DN heap > ||dfs.datanode.block.id.layout.upgrade.threads||Blocks||Disks||Time taken|| > |12|3.3 Million|1|2 minutes and 59 seconds| > |6|3.3 Million|1|2 minutes and 35 seconds| > |3|3.3 Million|1|2 minutes and 51 seconds| > Tried same test twice and 95% is accurate (only a few sec difference on each > iteration). Using 6 thread is faster than 12 thread because of its overhead. -- 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] [Work logged] (HDFS-15610) Reduce datanode upgrade/hardlink thread
[ https://issues.apache.org/jira/browse/HDFS-15610?focusedWorklogId=497151=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-497151 ] ASF GitHub Bot logged work on HDFS-15610: - Author: ASF GitHub Bot Created on: 08/Oct/20 07:21 Start Date: 08/Oct/20 07:21 Worklog Time Spent: 10m Work Description: lokeshj1703 merged pull request #2365: URL: https://github.com/apache/hadoop/pull/2365 This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking --- Worklog Id: (was: 497151) Time Spent: 50m (was: 40m) > Reduce datanode upgrade/hardlink thread > --- > > Key: HDFS-15610 > URL: https://issues.apache.org/jira/browse/HDFS-15610 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Affects Versions: 3.0.0, 3.1.4 >Reporter: Karthik Palanisamy >Assignee: Karthik Palanisamy >Priority: Major > Labels: pull-request-available > Time Spent: 50m > Remaining Estimate: 0h > > There is a kernel overhead on datanode upgrade. If datanode with millions of > blocks and 10+ disks then block-layout migration will be super expensive > during its hardlink operation. Slowness is observed when running with large > hardlink threads(dfs.datanode.block.id.layout.upgrade.threads, default is 12 > thread for each disk) and its runs for 2+ hours. > I.e 10*12=120 threads (for 10 disks) > Small test: > RHEL7, 32 cores, 20 GB RAM, 8 GB DN heap > ||dfs.datanode.block.id.layout.upgrade.threads||Blocks||Disks||Time taken|| > |12|3.3 Million|1|2 minutes and 59 seconds| > |6|3.3 Million|1|2 minutes and 35 seconds| > |3|3.3 Million|1|2 minutes and 51 seconds| > Tried same test twice and 95% is accurate (only a few sec difference on each > iteration). Using 6 thread is faster than 12 thread because of its overhead. -- 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] [Work logged] (HDFS-15610) Reduce datanode upgrade/hardlink thread
[ https://issues.apache.org/jira/browse/HDFS-15610?focusedWorklogId=497150=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-497150 ] ASF GitHub Bot logged work on HDFS-15610: - Author: ASF GitHub Bot Created on: 08/Oct/20 07:20 Start Date: 08/Oct/20 07:20 Worklog Time Spent: 10m Work Description: lokeshj1703 commented on pull request #2365: URL: https://github.com/apache/hadoop/pull/2365#issuecomment-705382799 The failed tests pass locally. This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking --- Worklog Id: (was: 497150) Time Spent: 40m (was: 0.5h) > Reduce datanode upgrade/hardlink thread > --- > > Key: HDFS-15610 > URL: https://issues.apache.org/jira/browse/HDFS-15610 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Affects Versions: 3.0.0, 3.1.4 >Reporter: Karthik Palanisamy >Assignee: Karthik Palanisamy >Priority: Major > Labels: pull-request-available > Time Spent: 40m > Remaining Estimate: 0h > > There is a kernel overhead on datanode upgrade. If datanode with millions of > blocks and 10+ disks then block-layout migration will be super expensive > during its hardlink operation. Slowness is observed when running with large > hardlink threads(dfs.datanode.block.id.layout.upgrade.threads, default is 12 > thread for each disk) and its runs for 2+ hours. > I.e 10*12=120 threads (for 10 disks) > Small test: > RHEL7, 32 cores, 20 GB RAM, 8 GB DN heap > ||dfs.datanode.block.id.layout.upgrade.threads||Blocks||Disks||Time taken|| > |12|3.3 Million|1|2 minutes and 59 seconds| > |6|3.3 Million|1|2 minutes and 35 seconds| > |3|3.3 Million|1|2 minutes and 51 seconds| > Tried same test twice and 95% is accurate (only a few sec difference on each > iteration). Using 6 thread is faster than 12 thread because of its overhead. -- 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] [Work logged] (HDFS-15610) Reduce datanode upgrade/hardlink thread
[
https://issues.apache.org/jira/browse/HDFS-15610?focusedWorklogId=496769=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-496769
]
ASF GitHub Bot logged work on HDFS-15610:
-
Author: ASF GitHub Bot
Created on: 07/Oct/20 17:19
Start Date: 07/Oct/20 17:19
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #2365:
URL: https://github.com/apache/hadoop/pull/2365#issuecomment-705079088
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
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|
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| +1 :green_heart: | compile | 1m 16s | | trunk passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
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_ Patch Compile Tests _ |
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_ Other Tests _ |
| -1 :x: | unit | 109m 15s |
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2365/3/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
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| | | 198m 35s | | |
| Reason | Tests |
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| | hadoop.hdfs.server.sps.TestExternalStoragePolicySatisfier |
| | hadoop.hdfs.TestDFSShell |
| | hadoop.hdfs.TestFileChecksum |
| | hadoop.hdfs.TestFileChecksumCompositeCrc |
| | hadoop.hdfs.TestSafeModeWithStripedFile |
| Subsystem | Report/Notes |
|--:|:-|
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| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk /
[jira] [Work logged] (HDFS-15610) Reduce datanode upgrade/hardlink thread
[
https://issues.apache.org/jira/browse/HDFS-15610?focusedWorklogId=496271=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-496271
]
ASF GitHub Bot logged work on HDFS-15610:
-
Author: ASF GitHub Bot
Created on: 07/Oct/20 03:25
Start Date: 07/Oct/20 03:25
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #2365:
URL: https://github.com/apache/hadoop/pull/2365#issuecomment-704669044
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|::|--:|:|::|:---:|
| +0 :ok: | reexec | 1m 8s | | Docker mode activated. |
_ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
any @author tags. |
| -1 :x: | test4tests | 0m 0s | | 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 this patch.
|
_ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 32m 22s | | trunk passed |
| +1 :green_heart: | compile | 1m 23s | | trunk passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | compile | 1m 8s | | trunk passed with JDK
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
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| +1 :green_heart: | mvnsite | 1m 50s | | trunk passed |
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when building and testing our client artifacts. |
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Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | javadoc | 1m 26s | | trunk passed with JDK
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
| +0 :ok: | spotbugs | 3m 19s | | Used deprecated FindBugs config;
considering switching to SpotBugs. |
| +1 :green_heart: | findbugs | 3m 17s | | trunk passed |
_ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 12s | | the patch passed |
| +1 :green_heart: | compile | 1m 12s | | the patch passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | javac | 1m 12s | | the patch passed |
| +1 :green_heart: | compile | 1m 4s | | the patch passed with JDK
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
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Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | javadoc | 1m 23s | | the patch passed with JDK
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
| +1 :green_heart: | findbugs | 3m 19s | | the patch passed |
_ Other Tests _ |
| -1 :x: | unit | 115m 28s |
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2365/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
| hadoop-hdfs in the patch passed. |
| +1 :green_heart: | asflicense | 0m 37s | | The patch does not
generate ASF License warnings. |
| | | 207m 26s | | |
| Reason | Tests |
|---:|:--|
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| | hadoop.hdfs.server.sps.TestExternalStoragePolicySatisfier |
| | hadoop.hdfs.TestDFSShell |
| | hadoop.hdfs.TestFileChecksum |
| | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped |
| | hadoop.hdfs.TestFileChecksumCompositeCrc |
| Subsystem | Report/Notes |
|--:|:-|
| Docker | ClientAPI=1.40 ServerAPI=1.40 base:
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|
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| uname | Linux df8ebce07039 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
[jira] [Work logged] (HDFS-15610) Reduce datanode upgrade/hardlink thread
[ https://issues.apache.org/jira/browse/HDFS-15610?focusedWorklogId=496239=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-496239 ] ASF GitHub Bot logged work on HDFS-15610: - Author: ASF GitHub Bot Created on: 06/Oct/20 23:57 Start Date: 06/Oct/20 23:57 Worklog Time Spent: 10m Work Description: karthikhw opened a new pull request #2365: URL: https://github.com/apache/hadoop/pull/2365 ## NOTICE Please create an issue in ASF JIRA before opening a pull request, and you need to set the title of the pull request which starts with the corresponding JIRA issue number. (e.g. HADOOP-X. Fix a typo in YYY.) For more details, please see https://cwiki.apache.org/confluence/display/HADOOP/How+To+Contribute This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking --- Worklog Id: (was: 496239) Remaining Estimate: 0h Time Spent: 10m > Reduce datanode upgrade/hardlink thread > --- > > Key: HDFS-15610 > URL: https://issues.apache.org/jira/browse/HDFS-15610 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Affects Versions: 3.0.0, 3.1.4 >Reporter: Karthik Palanisamy >Assignee: Karthik Palanisamy >Priority: Major > Time Spent: 10m > Remaining Estimate: 0h > > There is a kernel overhead on datanode upgrade. If datanode with millions of > blocks and 10+ disks then block-layout migration will be super expensive > during its hardlink operation. Slowness is observed when running with large > hardlink threads(dfs.datanode.block.id.layout.upgrade.threads, default is 12 > thread for each disk) and its runs for 2+ hours. > I.e 10*12=120 threads (for 10 disks) > Small test: > RHEL7, 32 cores, 20 GB RAM, 8 GB DN heap > ||dfs.datanode.block.id.layout.upgrade.threads||Blocks||Disks||Time taken|| > |12|3.3 Million|1|2 minutes and 59 seconds| > |6|3.3 Million|1|2 minutes and 35 seconds| > |3|3.3 Million|1|2 minutes and 51 seconds| > Tried same test twice and 95% is accurate (only a few sec difference on each > iteration). Using 6 thread is faster than 12 thread because of its overhead. -- 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
