wip

Signed-off-by: Attila Mészáros <[email protected]>

Author: csviri

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/event/source/informer/TemporaryResourceCache.java

@@ -107,6 +107,11 @@ private boolean onEvent(T resource, boolean unknownState) {
     var resourceId = ResourceID.fromResource(resource);
     ReentrantLock lock = activelyModifying.get(resourceId);
     if (lock != null) {
+      // note that this is a special case of lock striping; event handling happens
+      // always on the same thread of the informer we lock only if the update is happening
+      // for the same resource (not any resource), and if the event comes from the current update
+      // this should be locked for a very short time, since that update request already send at this
+      // point.
       lock.lock(); // wait for the modification to finish
       lock.unlock(); // simply unlock as the event is guaranteed after the modification
     }