Escalate the "analysis cache discarded" message from "info" to "warn", and add some text to advise that discarding the analysis cache may be expensive.
PiperOrigin-RevId: 524409797
Change-Id: Iabafdd62e66d7be57fc6383d8af9c2ef3d707fc0
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/SkyframeBuildView.java b/src/main/java/com/google/devtools/build/lib/skyframe/SkyframeBuildView.java
index 52e0a6a..74272b1 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/SkyframeBuildView.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/SkyframeBuildView.java
@@ -273,14 +273,15 @@
EventHandler eventHandler, BuildConfigurationValue configuration, int maxDifferencesToShow) {
if (skyframeAnalysisWasDiscarded) {
eventHandler.handle(
- Event.info(
+ Event.warn(
"--discard_analysis_cache was used in the previous build, "
+ "discarding analysis cache."));
skyframeExecutor.handleAnalysisInvalidatingChange();
} else {
String diff = describeConfigurationDifference(configuration, maxDifferencesToShow);
if (diff != null) {
- eventHandler.handle(Event.info(diff + ", discarding analysis cache."));
+ eventHandler.handle(
+ Event.warn(diff + ", discarding analysis cache (this can be expensive)."));
// Note that clearing the analysis cache is currently required for correctness. It is also
// helpful to save memory.
//
