[jira] [Updated] (HDFS-15627) Audit log deletes before collecting blocks

2020-10-30 Thread Xiaoqiao He (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-15627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xiaoqiao He updated HDFS-15627:
---
Fix Version/s: 3.2.2

> Audit log deletes before collecting blocks
> --
>
> Key: HDFS-15627
> URL: https://issues.apache.org/jira/browse/HDFS-15627
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: logging, namenode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Fix For: 3.2.2, 3.3.1, 3.4.0, 3.1.5, 3.2.3
>
> Attachments: HDFS-15627.001.patch
>
>
> Deletes currently collect blocks in the write lock, write the edit, 
> incrementally block delete, finally +audit log+. It should be collect blocks, 
> edit log, +audit log+, incremental delete. Once the edit is durable it's 
> consistent to audit log the delete. There is no sense in deferring the audit 
> into the indeterminate future.
> The problem occurs when thereto server hung due to large deletes but it won't 
> be easy to identify the problem. That should have been easily identified as 
> the first delete logged after the hang.



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[jira] [Updated] (HDFS-15627) Audit log deletes before collecting blocks

2020-10-16 Thread Kihwal Lee (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-15627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kihwal Lee updated HDFS-15627:
--
Fix Version/s: 3.2.3
   3.1.5
   3.4.0
   3.3.1
 Hadoop Flags: Reviewed
   Resolution: Fixed
   Status: Resolved  (was: Patch Available)

I've committed this to trunk, branch-3.3, branch-3.2 and branch-3.1. Thanks for 
working on this [~ahussein].

> Audit log deletes before collecting blocks
> --
>
> Key: HDFS-15627
> URL: https://issues.apache.org/jira/browse/HDFS-15627
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: logging, namenode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Fix For: 3.3.1, 3.4.0, 3.1.5, 3.2.3
>
> Attachments: HDFS-15627.001.patch
>
>
> Deletes currently collect blocks in the write lock, write the edit, 
> incrementally block delete, finally +audit log+. It should be collect blocks, 
> edit log, +audit log+, incremental delete. Once the edit is durable it's 
> consistent to audit log the delete. There is no sense in deferring the audit 
> into the indeterminate future.
> The problem occurs when thereto server hung due to large deletes but it won't 
> be easy to identify the problem. That should have been easily identified as 
> the first delete logged after the hang.



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[jira] [Updated] (HDFS-15627) Audit log deletes before collecting blocks

2020-10-16 Thread Kihwal Lee (Jira)


 [ 
https://issues.apache.org/jira/browse/HDFS-15627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kihwal Lee updated HDFS-15627:
--
Summary: Audit log deletes before collecting blocks  (was: Audit log 
deletes after edit is written)

> Audit log deletes before collecting blocks
> --
>
> Key: HDFS-15627
> URL: https://issues.apache.org/jira/browse/HDFS-15627
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: logging, namenode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Attachments: HDFS-15627.001.patch
>
>
> Deletes currently collect blocks in the write lock, write the edit, 
> incrementally block delete, finally +audit log+. It should be collect blocks, 
> edit log, +audit log+, incremental delete. Once the edit is durable it's 
> consistent to audit log the delete. There is no sense in deferring the audit 
> into the indeterminate future.
> The problem occurs when thereto server hung due to large deletes but it won't 
> be easy to identify the problem. That should have been easily identified as 
> the first delete logged after the hang.



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