TSFenwick commented on code in PR #14131:
URL: https://github.com/apache/druid/pull/14131#discussion_r1172745088
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extensions-core/s3-extensions/src/main/java/org/apache/druid/storage/s3/S3DataSegmentKiller.java:
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@@ -64,6 +69,52 @@ public S3DataSegmentKiller(
this.inputDataConfig = inputDataConfig;
}
+ @Override
+ public void killBatched(List<DataSegment> segments) throws
SegmentLoadingException
+ {
+ int size = segments.size();
+ if (size == 0) {
+ return;
+ }
+ if (segments.size() == 1) {
+ kill(segments.get(0));
+ return;
+ }
+ try {
+ // 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();
+
+ // 1000 objects is the max amount of objects that can be deleted in s3
at a time.
+ List<List<DataSegment>> segmentsChunks = Lists.partition(segments, 1000);
+ for (List<DataSegment> segmentsChunk : segmentsChunks) {
+ DeleteObjectsRequest deleteObjectsRequest = new
DeleteObjectsRequest(s3Bucket);
Review Comment:
does it make sense to check if object exists before calling delete on them?
DeleteObjects wont complain if you call delete on an object that doesn't exist
and will happily say it everything succeeded.
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