[jira] [Resolved] (HDFS-17391) Adjust the checkpoint io buffer size to the chunk size

[Xiaoqiao He (Jira)]

     [ 
https://issues.apache.org/jira/browse/HDFS-17391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xiaoqiao He resolved HDFS-17391.
--------------------------------
    Fix Version/s: 3.5.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

> Adjust the checkpoint io buffer size to the chunk size
> ------------------------------------------------------
>
>                 Key: HDFS-17391
>                 URL: https://issues.apache.org/jira/browse/HDFS-17391
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: lei w
>            Assignee: lei w
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.5.0
>
>
> Adjust the checkpoint io buffer size to the chunk size to reduce checkpoint 
> time.
> Before change：
> 2022-07-11 07:10:50,900 INFO 
> org.apache.hadoop.hdfs.server.namenode.TransferFsImage: Uploaded image with 
> txid 374700896827 to namenode at http://XXXX:50070 in 1729.465 seconds
> After change:
> 2022-07-12 08:15:55,068 INFO 
> org.apache.hadoop.hdfs.server.namenode.TransferFsImage: Uploaded image with 
> txid 375717629244 to namenode at http://XXXX:50070  in 858.668 seconds



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