JiangHua Zhu created HDFS-16245:
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Summary: Print the number of loaded INodeDirectory when starting
the NameNode service
Key: HDFS-16245
URL: https://issues.apache.org/jira/browse/HDFS-16245
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: JiangHua Zhu
When starting parallel loading of FsImage (dfs.image.parallel.load=true), you
can see in the startup log that the number of loaded INodes has been printed,
but it is impossible to know the specific number of loaded INodeDirectory,
because it is not printed now.
For example, here are some startup information:
2021-09-30 19:12:55,012 [15587]-INFO
[main:FSImageFormatProtobuf$Loader@340]-The fsimage will be loaded in parallel
using 4 threads
2021-09-30 19:12:55,031 [15606]-INFO
[main:FSImageFormatPBINode$Loader@418]-Loading the INode section in parallel
with 12 sub-sections
2021-09-30 19:12:55,034 [15609]-INFO
[main:FSImageFormatPBINode$Loader@409]-Loading xxxx INodes.
......
2021-09-30 19:30:37,080 [1077655]-INFO
[main:FSImageFormatPBINode$Loader@465]-Completed loading all INode sections.
Loaded xxxx inodes.
2021-09-30 19:30:37,086 [1077661]-INFO
[main:FSImageFormatPBINode$Loader@222]-Loading the INodeDirectory section in
parallel with 12 sub-sections
......
2021-09-30 19:36:58,074 [1458649]-INFO
[main:FSImageFormatPBINode$Loader@261]-Completed loading all INodeDirectory
sub-sections
2021-09-30 19:36:58,076 [1458651]-INFO
[main:FSImageFormatPBINode$Loader@339]-Completed update blocks map and name
cache, total waiting duration 1 ms.
2021-09-30 19:36:58,111 [1458686]-INFO
[main:FSImageFormatProtobuf$Loader@248]-Loaded FSImage in xxxx seconds.
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