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https://issues.apache.org/jira/browse/HDFS-16677?focusedWorklogId=793721&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-793721
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ASF GitHub Bot logged work on HDFS-16677:
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Author: ASF GitHub Bot
Created on: 21/Jul/22 12:55
Start Date: 21/Jul/22 12:55
Worklog Time Spent: 10m
Work Description: Neilxzn opened a new pull request, #4605:
URL: https://github.com/apache/hadoop/pull/4605
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### Description of PR
https://issues.apache.org/jira/browse/HDFS-16677
sub task of https://issues.apache.org/jira/browse/HDFS-14978
### How was this patch tested?
add unit test testSwapBlockListEditLog
### For code changes:
add swapBlockListEditLog & Feature.SWAP_BLOCK_LIST for NameNodeLayoutVersion
Issue Time Tracking
-------------------
Worklog Id: (was: 793721)
Remaining Estimate: 0h
Time Spent: 10m
> Add OP_SWAP_BLOCK_LIST as an operation code in FSEditLogOpCodes.
> ----------------------------------------------------------------
>
> Key: HDFS-16677
> URL: https://issues.apache.org/jira/browse/HDFS-16677
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: erasure-coding, hdfs
> Reporter: Max Xie
> Assignee: Max Xie
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Copy from HDFS-15006
> In HDFS-14989, we add a new Namenode operation "swapBlockList" to replace the
> set of blocks in an INode File with a new set of blocks. This JIRA will track
> the effort to add an FS Edit log op to persist this operation.
> We also need to increase the NamenodeLayoutVersion for this change.
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