jackye1995 commented on a change in pull request #1767:
URL: https://github.com/apache/iceberg/pull/1767#discussion_r523274802
##########
File path: aws/src/main/java/org/apache/iceberg/aws/s3/S3OutputStream.java
##########
@@ -87,18 +168,105 @@ public void close() throws IOException {
super.close();
closed = true;
+ currentStagingFile = null;
try {
stream.close();
- s3.putObject(
-
PutObjectRequest.builder().bucket(location.bucket()).key(location.key()).build(),
- RequestBody.fromFile(stagingFile));
+ completeUploads();
} finally {
- if (!stagingFile.delete()) {
- LOG.warn("Could not delete temporary file: {}", stagingFile);
+ stagingFiles.forEach(f -> {
+ if (f.exists() && !f.delete()) {
+ LOG.warn("Could not delete temporary file: {}", f);
+ }
+ });
+ }
+ }
+
+ private void initializeMultiPartUpload() {
+ multipartUploadId =
s3.createMultipartUpload(CreateMultipartUploadRequest.builder()
+ .bucket(location.bucket()).key(location.key()).build()).uploadId();
+ }
+
+ private void uploadParts() {
+ // exit if multipart has not been initiated
+ if (multipartUploadId == null) {
+ return;
+ }
+
+ stagingFiles.stream()
+ // do not upload the file currently being written
+ .filter(f -> currentStagingFile == null ||
!currentStagingFile.equals(f))
+ // do not upload any files that have already been processed
+ .filter(Predicates.not(multiPartMap::containsKey))
+ .forEach(f -> {
+ UploadPartRequest uploadRequest = UploadPartRequest.builder()
+ .bucket(location.bucket())
+ .key(location.key())
+ .uploadId(multipartUploadId)
+ .partNumber(stagingFiles.indexOf(f) + 1)
+ .contentLength(f.length())
+ .build();
+
+ CompletableFuture<CompletedPart> future =
CompletableFuture.supplyAsync(
Review comment:
Which original thread do you mean? Do you have a link?
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