[PR] HDFS-17391:Adjust the checkpoint io buffer size to the chunk size [hadoop]

[via GitHub]

ThinkerLei opened a new pull request, #6565:
URL: https://github.com/apache/hadoop/pull/6565

   
   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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