vvcephei commented on a change in pull request #11582:
URL: https://github.com/apache/kafka/pull/11582#discussion_r771493968
##########
File path:
streams/src/main/java/org/apache/kafka/streams/state/internals/MeteredKeyValueStore.java
##########
@@ -186,6 +203,68 @@ public boolean setFlushListener(final
CacheFlushListener<K, V> listener,
return false;
}
+ @SuppressWarnings("unchecked")
+ @Override
+ public <R> QueryResult<R> query(final Query<R> query,
+ final PositionBound positionBound,
+ final boolean collectExecutionInfo) {
+
+ final long start = System.nanoTime();
+ final QueryResult<R> result;
+
+ final QueryHandler handler = queryHandlers.get(query.getClass());
+ if (handler == null) {
+ result = wrapped().query(query, positionBound,
collectExecutionInfo);
+ if (collectExecutionInfo) {
+ result.addExecutionInfo(
+ "Handled in " + getClass() + " in " + (System.nanoTime() -
start) + "ns");
+ }
+ } else {
+ result = (QueryResult<R>) handler.apply(
+ query,
+ positionBound,
+ collectExecutionInfo,
+ this
+ );
+ if (collectExecutionInfo) {
+ result.addExecutionInfo(
+ "Handled in " + getClass() + " with serdes "
+ + serdes + " in " + (System.nanoTime() - start) +
"ns");
Review comment:
Thanks; this seems about the same, and it would apply to all the other
execution info messages we've got, so I think I'll keep it the same for now.
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