[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gera Shegalov updated MAPREDUCE-4815: - Labels: perfomance (was: ) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Improvement Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Labels: perfomance Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v14.patch, MAPREDUCE-4815.v15.patch, MAPREDUCE-4815.v16.patch, MAPREDUCE-4815.v17.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gera Shegalov updated MAPREDUCE-4815: - Issue Type: Improvement (was: Bug) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Improvement Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Labels: perfomance Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v14.patch, MAPREDUCE-4815.v15.patch, MAPREDUCE-4815.v16.patch, MAPREDUCE-4815.v17.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v17.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v14.patch, MAPREDUCE-4815.v15.patch, MAPREDUCE-4815.v16.patch, MAPREDUCE-4815.v17.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v16.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v14.patch, MAPREDUCE-4815.v15.patch, MAPREDUCE-4815.v16.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v15.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v14.patch, MAPREDUCE-4815.v15.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v14.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v14.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v13.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v13.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: (was: MAPREDUCE-4815.v13.patch) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v13.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v12.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v12.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v11.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: (was: MAPREDUCE-4815.v11.patch) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v11.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v11.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: (was: MAPREDUCE-4815.v10.patch) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v10.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v10.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v10.patch, MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v9.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch, MAPREDUCE-4815.v9.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v8.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch, MAPREDUCE-4815.v8.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Open (was: Patch Available) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v7.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Patch Available (was: Open) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch, MAPREDUCE-4815.v7.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v5.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Open (was: Patch Available) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Patch Available (was: Open) In this patch, the first task recovery will recover all succeeded tasks. Therefore, the rest tasks recovery will not do anything. FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v6.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Patch Available (was: Open) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Open (was: Patch Available) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch, MAPREDUCE-4815.v5.patch, MAPREDUCE-4815.v6.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Open (was: Patch Available) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v4.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: (was: MAPREDUCE-4815.v4.patch) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v4.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Patch Available (was: Open) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch, MAPREDUCE-4815.v4.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: (was: MAPREDUCE-4815.v2.patch) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: (was: MAPREDUCE-4815.v1.patch) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Open (was: Patch Available) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v3.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Patch Available (was: Open) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v3.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Open (was: Patch Available) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v1.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v2.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v1.patch, MAPREDUCE-4815.v2.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Status: Patch Available (was: Open) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v1.patch, MAPREDUCE-4815.v2.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Attachment: MAPREDUCE-4815.v1.patch FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 0.23.3, 2.0.1-alpha, 2.4.1 Reporter: Jason Lowe Assignee: Arun C Murthy Attachments: MAPREDUCE-4815.v1.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
[jira] [Updated] (MAPREDUCE-4815) FileOutputCommitter.commitJob can be very slow for jobs with many output files
[ https://issues.apache.org/jira/browse/MAPREDUCE-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siqi Li updated MAPREDUCE-4815: --- Assignee: Siqi Li (was: Arun C Murthy) Affects Version/s: 2.4.1 Status: Patch Available (was: Open) FileOutputCommitter.commitJob can be very slow for jobs with many output files -- Key: MAPREDUCE-4815 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4815 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Affects Versions: 2.4.1, 2.0.1-alpha, 0.23.3 Reporter: Jason Lowe Assignee: Siqi Li Attachments: MAPREDUCE-4815.v1.patch If a job generates many files to commit then the commitJob method call at the end of the job can take minutes. This is a performance regression from 1.x, as 1.x had the tasks commit directly to the final output directory as they were completing and commitJob had very little to do. The commit work was processed in parallel and overlapped the processing of outstanding tasks. In 0.23/2.x, the commit is single-threaded and waits until all tasks have completed before commencing. -- This message was sent by Atlassian JIRA (v6.2#6252)
