[jira] [Commented] (HDFS-16891) Avoid the overhead of copy-on-write exception list while loading inodes sub sections in parallel
[
https://issues.apache.org/jira/browse/HDFS-16891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17676859#comment-17676859
]
ASF GitHub Bot commented on HDFS-16891:
---
hadoop-yetus commented on PR #5300:
URL: https://github.com/apache/hadoop/pull/5300#issuecomment-1382681154
:broken_heart: **-1 overall**
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[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5300/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
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[jira] [Commented] (HDFS-16892) Fix method name of RPC.Builder#setnumReaders
[ https://issues.apache.org/jira/browse/HDFS-16892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17676847#comment-17676847 ] ASF GitHub Bot commented on HDFS-16892: --- haiyang1987 opened a new pull request, #5301: URL: https://github.com/apache/hadoop/pull/5301 ### Description of PR HDFS-16892 Fix method name of RPC.Builder#setnumReaders > Fix method name of RPC.Builder#setnumReaders > - > > Key: HDFS-16892 > URL: https://issues.apache.org/jira/browse/HDFS-16892 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haiyang Hu >Assignee: Haiyang Hu >Priority: Minor > -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-16892) Fix method name of RPC.Builder#setnumReaders
[ https://issues.apache.org/jira/browse/HDFS-16892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated HDFS-16892: -- Labels: pull-request-available (was: ) > Fix method name of RPC.Builder#setnumReaders > - > > Key: HDFS-16892 > URL: https://issues.apache.org/jira/browse/HDFS-16892 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Haiyang Hu >Assignee: Haiyang Hu >Priority: Minor > Labels: pull-request-available > -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Created] (HDFS-16892) Fix method name of RPC.Builder#setnumReaders
Haiyang Hu created HDFS-16892: - Summary: Fix method name of RPC.Builder#setnumReaders Key: HDFS-16892 URL: https://issues.apache.org/jira/browse/HDFS-16892 Project: Hadoop HDFS Issue Type: Improvement Reporter: Haiyang Hu Assignee: Haiyang Hu -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-16890) Add period state refresh to keep router state near active namenode's
[
https://issues.apache.org/jira/browse/HDFS-16890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17676814#comment-17676814
]
ASF GitHub Bot commented on HDFS-16890:
---
hadoop-yetus commented on PR #5298:
URL: https://github.com/apache/hadoop/pull/5298#issuecomment-1382622885
:confetti_ball: **+1 overall**
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[jira] [Updated] (HDFS-16891) Avoid the overhead of copy-on-write exception list while loading inodes sub sections in parallel
[ https://issues.apache.org/jira/browse/HDFS-16891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated HDFS-16891: -- Labels: pull-request-available (was: ) > Avoid the overhead of copy-on-write exception list while loading inodes sub > sections in parallel > > > Key: HDFS-16891 > URL: https://issues.apache.org/jira/browse/HDFS-16891 > Project: Hadoop HDFS > Issue Type: Improvement > Components: namenode >Affects Versions: 3.3.4 >Reporter: Viraj Jasani >Assignee: Viraj Jasani >Priority: Major > Labels: pull-request-available > > If we enable parallel loading and persisting of inodes from/to fs image, we > get the benefit of improved performance. However, while loading sub-sections > INODE_DIR_SUB and INODE_SUB, if we encounter any errors, we use copy-on-write > list to maintain the list of exceptions. Since our usecase is not to iterate > over this list while executor threads are adding new elements to the list, > using copy-on-write is bit of an overhead for this usecase. > It would be better to synchronize adding new elements to the list rather than > having the list copy all elements over every time new element is added to the > list. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-16891) Avoid the overhead of copy-on-write exception list while loading inodes sub sections in parallel
[ https://issues.apache.org/jira/browse/HDFS-16891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17676798#comment-17676798 ] ASF GitHub Bot commented on HDFS-16891: --- virajjasani opened a new pull request, #5300: URL: https://github.com/apache/hadoop/pull/5300 If we enable parallel loading and persisting of inodes from/to fs image, we get the benefit of improved performance. However, while loading sub-sections INODE_DIR_SUB and INODE_SUB, if we encounter any errors, we use copy-on-write list to maintain the list of exceptions. Since our usecase is not to iterate over this list while executor threads are adding new elements to the list, using copy-on-write is bit of an overhead for this usecase. It would be better to synchronize adding new elements to the list rather than having the list copy all elements over every time new element is added to the list. > Avoid the overhead of copy-on-write exception list while loading inodes sub > sections in parallel > > > Key: HDFS-16891 > URL: https://issues.apache.org/jira/browse/HDFS-16891 > Project: Hadoop HDFS > Issue Type: Improvement > Components: namenode >Affects Versions: 3.3.4 >Reporter: Viraj Jasani >Assignee: Viraj Jasani >Priority: Major > > If we enable parallel loading and persisting of inodes from/to fs image, we > get the benefit of improved performance. However, while loading sub-sections > INODE_DIR_SUB and INODE_SUB, if we encounter any errors, we use copy-on-write > list to maintain the list of exceptions. Since our usecase is not to iterate > over this list while executor threads are adding new elements to the list, > using copy-on-write is bit of an overhead for this usecase. > It would be better to synchronize adding new elements to the list rather than > having the list copy all elements over every time new element is added to the > list. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Created] (HDFS-16891) Avoid the overhead of copy-on-write exception list while loading inodes sub sections in parallel
Viraj Jasani created HDFS-16891: --- Summary: Avoid the overhead of copy-on-write exception list while loading inodes sub sections in parallel Key: HDFS-16891 URL: https://issues.apache.org/jira/browse/HDFS-16891 Project: Hadoop HDFS Issue Type: Improvement Components: namenode Affects Versions: 3.3.4 Reporter: Viraj Jasani Assignee: Viraj Jasani If we enable parallel loading and persisting of inodes from/to fs image, we get the benefit of improved performance. However, while loading sub-sections INODE_DIR_SUB and INODE_SUB, if we encounter any errors, we use copy-on-write list to maintain the list of exceptions. Since our usecase is not to iterate over this list while executor threads are adding new elements to the list, using copy-on-write is bit of an overhead for this usecase. It would be better to synchronize adding new elements to the list rather than having the list copy all elements over every time new element is added to the list. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-16890) Add period state refresh to keep router state near active namenode's
[
https://issues.apache.org/jira/browse/HDFS-16890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17676699#comment-17676699
]
ASF GitHub Bot commented on HDFS-16890:
---
hadoop-yetus commented on PR #5298:
URL: https://github.com/apache/hadoop/pull/5298#issuecomment-1382138405
:confetti_ball: **+1 overall**
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