fredia commented on code in PR #25818:
URL: https://github.com/apache/flink/pull/25818#discussion_r1901425924
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flink-state-backends/flink-statebackend-forst/src/main/java/org/apache/flink/state/forst/fs/ForStFlinkFileSystem.java:
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@@ -240,143 +221,78 @@ public URI getUri() {
@Override
public boolean exists(final Path f) throws IOException {
- Tuple2<Boolean, Path> localPathTuple = tryBuildLocalPath(f);
- if (localPathTuple.f0) {
- return localFS.exists(localPathTuple.f1);
+ FileMappingManager.RealPath realPath = fileMappingManager.realPath(f);
+ if (realPath == null) {
+ return delegateFS.exists(f);
}
- return delegateFS.exists(f);
+
+ boolean status = false;
+ if (realPath.isLocal) {
+ status |= localFS.exists(realPath.path);
+ if (!status) {
+ status = delegateFS.exists(f);
+ }
+ } else {
+ status = delegateFS.exists(realPath.path);
+ }
+ return status;
}
@Override
public FileStatus getFileStatus(Path path) throws IOException {
- Tuple2<Boolean, Path> localPathTuple = tryBuildLocalPath(path);
- if (localPathTuple.f0) {
- return localFS.getFileStatus(localPathTuple.f1);
+ FileMappingManager.RealPath realPath =
fileMappingManager.realPath(path);
+ Preconditions.checkNotNull(realPath);
+ if (realPath.isLocal) {
+ return localFS.getFileStatus(realPath.path);
}
- return delegateFS.getFileStatus(path);
+ return delegateFS.getFileStatus(realPath.path);
}
@Override
public BlockLocation[] getFileBlockLocations(FileStatus file, long start,
long len)
throws IOException {
Path path = file.getPath();
- Tuple2<Boolean, Path> localPathTuple = tryBuildLocalPath(path);
- if (localPathTuple.f0) {
- FileStatus localFile = localFS.getFileStatus(localPathTuple.f1);
+ FileMappingManager.RealPath realPath =
fileMappingManager.realPath(path);
+ Preconditions.checkNotNull(realPath);
+ if (realPath.isLocal) {
+ FileStatus localFile = localFS.getFileStatus(realPath.path);
return localFS.getFileBlockLocations(localFile, start, len);
}
return delegateFS.getFileBlockLocations(file, start, len);
}
@Override
public FileStatus[] listStatus(Path path) throws IOException {
- FileStatus[] localFiles = new FileStatus[0];
- Tuple2<Boolean, Path> localPathTuple = tryBuildLocalPath(path);
- if (localPathTuple.f0) {
- localFiles = localFS.listStatus(localPathTuple.f1);
+ // mapping files
+ List<FileStatus> fileStatuses = new ArrayList<>();
+ List<String> mappingFiles =
fileMappingManager.listByPrefix(path.toString());
Review Comment:
Good catch, added a filter for direct child.
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