Merge pull request #27265 from vespa-engine/jonmv/warmp-up-search-handler

Firu a dummy query at end of search handler constructor

1 files changed, 12 insertions, 0 deletions

diff --git a/container-search/src/main/java/com/yahoo/search/handler/SearchHandler.java b/container-search/src/main/java/com/yahoo/search/handler/SearchHandler.java
index e6486186618..6846bc928a0 100644
--- a/container-search/src/main/java/com/yahoo/search/handler/SearchHandler.java
+++ b/container-search/src/main/java/com/yahoo/search/handler/SearchHandler.java
@@ -139,6 +139,8 @@ public class SearchHandler extends LoggingRequestHandler {
         this.numRequestsLeftToTrace = new AtomicLong(numQueriesToTraceOnDebugAfterStartup);
         metric.set(SEARCH_CONNECTIONS, 0.0d, null);
         this.zoneInfo = zoneInfo;
+
+        warmup();
     }
 
     Metric metric() { return metric; }
@@ -150,6 +152,16 @@ public class SearchHandler extends LoggingRequestHandler {
         return Integer.MAX_VALUE; // assume unbound
     }
 
+    private void warmup() {
+        try {
+            handle(HttpRequest.createTestRequest("/search/?timeout=2s&yql=select+*+from+sources+*+where+true+limit+1;",
+                                                 com.yahoo.jdisc.http.HttpRequest.Method.GET));
+        }
+        catch (RuntimeException e) {
+            log.log(Level.WARNING, "Error warming up search handler", e);
+        }
+    }
+
     @Override
     public final HttpResponse handle(com.yahoo.container.jdisc.HttpRequest request) {
         requestsInFlight.incrementAndGet();