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https://issues.apache.org/jira/browse/HADOOP-19072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17834548#comment-17834548
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ASF GitHub Bot commented on HADOOP-19072:
-----------------------------------------
virajjasani commented on code in PR #6543:
URL: https://github.com/apache/hadoop/pull/6543#discussion_r1554648819
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/MkdirOperation.java:
##########
@@ -124,7 +132,32 @@ public Boolean execute() throws IOException {
return true;
}
- // Walk path to root, ensuring closest ancestor is a directory, not file
+ // if performance creation mode is set, no need to check
+ // whether the closest ancestor is dir.
+ if (!performanceCreation) {
+ verifyFileStatusOfClosestAncestor();
+ }
+
+ // if we get here there is no directory at the destination.
+ // so create one.
+
+ // Create the marker file, delete the parent entries
+ // if the filesystem isn't configured to retain them
+ callbacks.createFakeDirectory(dir, false);
Review Comment:
This comment is from previous patch version.
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/MkdirOperation.java:
##########
@@ -73,11 +79,13 @@ public MkdirOperation(
final StoreContext storeContext,
final Path dir,
final MkdirCallbacks callbacks,
- final boolean isMagicPath) {
+ final boolean isMagicPath,
Review Comment:
This comment is from previous patch version.
> S3A: expand optimisations on stores with "fs.s3a.create.performance"
> --------------------------------------------------------------------
>
> Key: HADOOP-19072
> URL: https://issues.apache.org/jira/browse/HADOOP-19072
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
>
> on an s3a store with fs.s3a.create.performance set, speed up other operations
> * mkdir to skip parent directory check: just do a HEAD to see if there's a
> file at the target location
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