TSFenwick commented on code in PR #14131:
URL: https://github.com/apache/druid/pull/14131#discussion_r1182824999
##########
extensions-core/s3-extensions/src/main/java/org/apache/druid/storage/s3/S3DataSegmentKiller.java:
##########
@@ -64,13 +73,81 @@ public S3DataSegmentKiller(
this.inputDataConfig = inputDataConfig;
}
+ @Override
+ public void kill(List<DataSegment> segments) throws SegmentLoadingException
+ {
+ int size = segments.size();
+ if (size == 0) {
+ return;
+ }
+ if (segments.size() == 1) {
+ kill(segments.get(0));
+ return;
+
+ }
+
+ // we can assume that all segments are in the same bucket.
+ String s3Bucket = MapUtils.getString(segments.get(0).getLoadSpec(),
BUCKET);
+ final ServerSideEncryptingAmazonS3 s3Client = this.s3ClientSupplier.get();
+
+ List<DeleteObjectsRequest.KeyVersion> keysToDelete = segments.stream()
+ .map(segment -> MapUtils.getString(segment.getLoadSpec(), KEY))
+ .flatMap(path -> Stream.of(new
DeleteObjectsRequest.KeyVersion(path),
+ new
DeleteObjectsRequest.KeyVersion(DataSegmentKiller.descriptorPath(path))))
+ .collect(Collectors.toList());
+
+ List<List<DeleteObjectsRequest.KeyVersion>> keysChunks =
Lists.partition(keysToDelete, 1000);
+ DeleteObjectsRequest deleteObjectsRequest = new
DeleteObjectsRequest(s3Bucket);
+ deleteObjectsRequest.setQuiet(true);
+ // don't fail immediately delete as many as possible then we fail in the
end by throwing one exception that has all
+ // exceptions in it
+ List<Exception> exceptions = new ArrayList<>();
+ // s3 jdk is weird where the call to delete is a 200 status code for the
response in the api, but the call is unable
+ // to delete some segments is an exception. this exception has a list of
all objects it couldnt' delete. If you make
+ // a call that is a 401 or 403 outright the exception is thrown, but there
is no list of objects it couldnt' delete.
+ // so we store them here to log later.
+ List<String> unableToDeleteKeysButNotStoredInException = new ArrayList<>();
+ for (List<DeleteObjectsRequest.KeyVersion> keysChunk : keysChunks) {
+ List<String> keysToDeleteStrings = keysChunk.stream().map(
+
DeleteObjectsRequest.KeyVersion::getKey).collect(Collectors.toList());
+ try {
+ deleteObjectsRequest.setKeys(keysChunk);
+ log.info("Removing from bucket: %s the following index files: %s from
s3!", s3Bucket, keysToDeleteStrings);
Review Comment:
Removing from bucket: [%s] the following index files: [%s] from s3!
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