sunithabeeram commented on a change in pull request #3942: Set
processingException when all queried segments cannot be acquired
URL: https://github.com/apache/incubator-pinot/pull/3942#discussion_r267806504
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/data/manager/BaseTableDataManager.java
##########
@@ -156,6 +165,35 @@ public void removeSegment(@Nonnull String segmentName) {
}
}
+ /**
+ * Called when a segment is deleted. The actual handling of segment delete
is outside of this method.
+ * This method provides book-keeping around deleted segments.
+ * @param segmentName name of the segment to track.
+ */
+ public void trackDeletedSegment(@Nonnull String segmentName) {
+ // add segment to the cache
+ _deletedSegmentsCache.put(segmentName, true);
+ }
+
+ /**
+ * Check if a segment is recently deleted.
+ *
+ * @param segmentName name of the segment to check.
+ * @return true if segment is in the cache, false otherwise
+ */
+ public boolean isRecentlyDeleted(@Nonnull String segmentName) {
+ return _deletedSegmentsCache.getIfPresent(segmentName) != null;
+ }
+
+ /**
+ * Remove a segment from the deleted cache if it is being added back.
+ *
+ * @param segmentName name of the segment that needs to removed from the
cache (if needed)
+ */
+ private void untrackIfDeleted(@Nonnull String segmentName) {
Review comment:
I am ambivalent about this. If you feel strongly, I can change it. Will see
if Subbu has any input.
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