jon-wei commented on a change in pull request #9360: Create splits of multiple
files for parallel indexing
URL: https://github.com/apache/druid/pull/9360#discussion_r382872400
##########
File path:
indexing-service/src/main/java/org/apache/druid/indexing/input/DruidInputSource.java
##########
@@ -228,13 +232,15 @@ protected InputSourceReader
fixedFormatReader(InputRowSchema inputRowSchema, @Nu
// segmentIds is supposed to be specified by the supervisor task during
the parallel indexing.
// If it's not null, segments are already split by the supervisor task and
further split won't happen.
if (segmentIds == null) {
- return createSplits(
- coordinatorClient,
- retryPolicyFactory,
- dataSource,
- interval,
- splitHintSpec == null ? new SegmentsSplitHintSpec(null) :
splitHintSpec
- ).stream();
+ return Streams.sequentialStreamFrom(
+ createSplits(
+ coordinatorClient,
+ retryPolicyFactory,
+ dataSource,
+ interval,
+ splitHintSpec == null ? new SegmentsSplitHintSpec(null) :
splitHintSpec
Review comment:
Since it would get converted into a MaxSizeSplitHintSpec in createSplit,
could this create a MaxSizeSplitHintSpec directly? (Does this also mean
SegmentsSplitHintSpec is deprecated?)
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