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https://issues.apache.org/jira/browse/HDFS-9569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated HDFS-9569:
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Fix Version/s: 2.8.0
> Log the name of the fsimage being loaded for better supportability
> ------------------------------------------------------------------
>
> Key: HDFS-9569
> URL: https://issues.apache.org/jira/browse/HDFS-9569
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Yongjun Zhang
> Assignee: Yongjun Zhang
> Priority: Trivial
> Labels: supportability
> Fix For: 2.8.0, 2.7.3, 3.0.0-alpha1
>
> Attachments: HDFS-9569.001.patch, HDFS-9569.002.patch,
> HDFS-9569.003.patch, HDFS-9569.004.patch, HDFS-9569.005.patch
>
>
> When NN starts to load fsimage, it does
> {code}
> void loadFSImageFile(FSNamesystem target, MetaRecoveryContext recovery,
> FSImageFile imageFile, StartupOption startupOption) throws IOException {
> LOG.debug("Planning to load image :\n" + imageFile);
> ......
> long txId = loader.getLoadedImageTxId();
> LOG.info("Loaded image for txid " + txId + " from " + curFile);
> {code}
> A debug msg is issued at the beginning with the fsimage file name, then at
> the end an info msg is issued after loading.
> If the fsimage loading failed due to corrupted fsimage (see HDFS-9406), we
> don't see the first msg. It'd be helpful to always be able to see from NN
> logs what fsimage file it's loading.
> Two improvements:
> 1. Change the above debug to info
> 2. If exception happens when loading fsimage, be sure to report the fsimage
> name being loaded in the error message.
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