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HADOOP-16201: S3AFileSystem#innerMkdirs builds needless lists (#636)

This commit is contained in:
Lokesh Jain 2019-03-22 17:12:00 +05:30 committed by Steve Loughran
parent ce5eb9cb2e
commit ae2eb2dd42
1 changed files with 0 additions and 12 deletions
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12
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java
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@ -2295,10 +2295,6 @@ private boolean innerMkdirs(Path p, FsPermission permission)
LOG.debug("Making directory: {}", f);
entryPoint(INVOCATION_MKDIRS);
FileStatus fileStatus;
List<Path> metadataStoreDirs = null;
if (hasMetadataStore()) {
metadataStoreDirs = new ArrayList<>();
}
try {
fileStatus = getFileStatus(f);
@ -2311,9 +2307,6 @@ private boolean innerMkdirs(Path p, FsPermission permission)
} catch (FileNotFoundException e) {
// Walk path to root, ensuring closest ancestor is a directory, not file
Path fPart = f.getParent();
if (metadataStoreDirs != null) {
metadataStoreDirs.add(f);
}
while (fPart != null) {
try {
fileStatus = getFileStatus(fPart);
@ -2327,11 +2320,6 @@ private boolean innerMkdirs(Path p, FsPermission permission)
}
} catch (FileNotFoundException fnfe) {
instrumentation.errorIgnored();
// We create all missing directories in MetadataStore; it does not
// infer directories exist by prefix like S3.
if (metadataStoreDirs != null) {
metadataStoreDirs.add(fPart);
}
}
fPart = fPart.getParent();
}