### Elasticsearch Version

7.17.5

### Installed Plugins

_No response_

### Java Version

18.0.1.1

### OS Version

3.10.0-1160.76.1.el7.x86_64 

### Problem Description

[https://discuss.elastic.co/t/why-conf-dfs-replication-1-is-not-success/316405](url)

conf.dfs.replication = 1 is not be used


 protected HdfsBlobStore createBlobStore() {
        // initialize our blobstore using elevated privileges.
        SpecialPermission.check();
        final HdfsBlobStore blobStore = AccessController.doPrivileged(
            (PrivilegedAction<HdfsBlobStore>) () -> createBlobstore(uri, pathSetting, getMetadata().settings())
        );

     final Settings confSettings = repositorySettings.getByPrefix("conf.");
        for (String key : confSettings.keySet()) {
            logger.debug("Adding configuration to HDFS Client Configuration : {} = {}", key, confSettings.get(key));
            hadoopConfiguration.set(key, confSettings.get(key));
        }




### Steps to Reproduce

snapshots

### Logs (if relevant)

_No response_
plugins/repository-hdfs/src/main/java/org/elasticsearch/repositories/hdfs/HdfsBlobContainer.java
? EnumSet.of(CreateFlag.CREATE, CreateFlag.SYNC_BLOCK)
            : EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE, CreateFlag.SYNC_BLOCK);
        store.execute((Operation<Void>) fileContext -> {
            try {
                writeToPath(inputStream, blobSize, fileContext, blob, flags);
            } catch (org.apache.hadoop.fs.FileAlreadyExistsException faee) {
                throw new FileAlreadyExistsException(blob.toString(), null, faee.getMessage());
            }
            return null;
        });
    }
    @Override
    public void writeBlob(String blobName, BytesReference bytes, boolean failIfAlreadyExists) throws IOException {
        Path blob = new Path(path, blobName);
        
        final EnumSet<CreateFlag> flags = failIfAlreadyExists
            ? EnumSet.of(CreateFlag.CREATE, CreateFlag.SYNC_BLOCK)
            : EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE, CreateFlag.SYNC_BLOCK);
        store.execute((Operation<Void>) fileContext -> {
            try {
                writeToPath(bytes, blob, fileContext, flags);
            } catch (org.apache.hadoop.fs.FileAlreadyExistsException faee) {
                throw new FileAlreadyExistsException(blob.toString(), null, faee.getMessage());
            }
            return null;
        });
    }
    @Override
    public void writeMetadataBlob(
        String blobName,