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https://issues.apache.org/jira/browse/HDFS-17388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17831725#comment-17831725
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ASF GitHub Bot commented on HDFS-17388:
---------------------------------------
ferhui commented on code in PR #6589:
URL: https://github.com/apache/hadoop/pull/6589#discussion_r1542703171
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java:
##########
@@ -982,6 +982,11 @@ public final long computeFileSizeNotIncludingLastUcBlock()
{
* if includesLastUcBlock == false.
* @return file size
*/
+ // ComputeFileSize only needs the FSLock even through it involves block.
Review Comment:
can add new comments into the above comment scope?
e.g. below 'Compute file size of the current file.'
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java:
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@@ -1998,6 +1998,7 @@ FileStatus getAuditFileInfo(INodesInPath iip)
if (inode.isFile()) {
final INodeFile fileNode = inode.asFile();
+ // Depends on status of the last block
Review Comment:
do you mean it needs to hold lock here?
Can add more comments here.
> [FGL] Client RPCs involving write process supports fine-grained lock
> --------------------------------------------------------------------
>
> Key: HDFS-17388
> URL: https://issues.apache.org/jira/browse/HDFS-17388
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Major
> Labels: pull-request-available
>
> The client write process involves many client RPCs.
>
> This ticket is used to make these RPCs support fine-grained lock.
> * mkdir
> * create
> * addBlock
> * abandonBlock
> * getAdditionalDatanode
> * updateBlockForPipeline
> * updatePipeline
> * fsync
> * complete
> * rename
> * rename2
> * append
> * renewLease
> * recoverLease
> * delete
> * createSymlink
> * renewDelegationToken
> * cancelDelegationToken
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