jihoonson commented on a change in pull request #7547: Add support minor
compaction with segment locking
URL: https://github.com/apache/incubator-druid/pull/7547#discussion_r299685199
##########
File path:
core/src/main/java/org/apache/druid/timeline/VersionedIntervalTimeline.java
##########
@@ -453,39 +485,60 @@ private boolean addAtKey(
}
while (entryInterval != null && currKey != null &&
currKey.overlaps(entryInterval)) {
- Interval nextKey = timeline.higherKey(currKey);
+ final Interval nextKey = timeline.higherKey(currKey);
- int versionCompare = versionComparator.compare(
+ final int versionCompare = versionComparator.compare(
entry.getVersion(),
timeline.get(currKey).getVersion()
);
if (versionCompare < 0) {
+ // since the entry version is lower than the existing one, the
existing one overwrites the given entry if overlapped.
if (currKey.contains(entryInterval)) {
+ // the version of the entry of currKey is larger than that of the
given entry. Discard it
return true;
} else if (currKey.getStart().isBefore(entryInterval.getStart())) {
+ // | cur |
+ // | entry |
+ // => |new|
entryInterval = new Interval(currKey.getEnd(),
entryInterval.getEnd());
} else {
+ // | entry |
+ // | cur |
+ // => |new|
addIntervalToTimeline(new Interval(entryInterval.getStart(),
currKey.getStart()), entry, timeline);
+ // | entry |
Review comment:
Thanks, added.
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