maytasm commented on a change in pull request #11009:
URL: https://github.com/apache/druid/pull/11009#discussion_r597224953
##########
File path:
server/src/main/java/org/apache/druid/server/coordinator/duty/NewestSegmentFirstIterator.java
##########
@@ -397,20 +398,29 @@ private boolean
needsCompaction(DataSourceCompactionConfig config, SegmentsToCom
needsCompaction = true;
}
- // Only checks for segmentGranularity as auto compaction currently only
supports segmentGranularity
- final Granularity segmentGranularity =
lastCompactionState.getGranularitySpec() != null ?
-
objectMapper.convertValue(lastCompactionState.getGranularitySpec(),
GranularitySpec.class).getSegmentGranularity() :
- null;
-
- if (config.getGranularitySpec() != null &&
- config.getGranularitySpec().getSegmentGranularity() != null &&
-
!config.getGranularitySpec().getSegmentGranularity().equals(segmentGranularity))
{
- log.info(
- "Configured granularitySpec[%s] is different from the one[%s] of
segments. Needs compaction",
- config.getGranularitySpec(),
- segmentGranularity
- );
- needsCompaction = true;
+ if (config.getGranularitySpec() != null &&
config.getGranularitySpec().getSegmentGranularity() != null) {
+ // Only checks for segmentGranularity as auto compaction currently only
supports segmentGranularity
+ final Granularity existingSegmentGranularity =
lastCompactionState.getGranularitySpec() != null ?
+
objectMapper.convertValue(lastCompactionState.getGranularitySpec(),
GranularitySpec.class).getSegmentGranularity() :
+ null;
+ if (existingSegmentGranularity == null) {
+ // Candidate segments were all compacted without segment granularity
set.
+ // We need to check if all segments have the same segment granularity
and if it is the same
+ // as the configured segment granularity.
+ Set<Granularity> segmentGranularities = candidates.segments.stream()
+
.map(segment ->
GranularityType.fromPeriod(segment.getInterval().toPeriod()).getDefaultGranularity())
+
.collect(Collectors.toSet());
+ if (segmentGranularities.size() != 1 ||
!segmentGranularities.contains(config.getGranularitySpec().getSegmentGranularity()))
{
+ needsCompaction = true;
Review comment:
Done
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