Merge pull request #32158 from vespa-engine/hmusum/add-feature-flag-f…

…or-file-distributuon-backoff-time

Add feature flag for file distribution backoff time

flags/src/main/java/com/yahoo/vespa/flags/Flags.java

@@ -547,6 +547,12 @@ public class Flags {
             "Whether to enable sysctl setting net.ipv4.tcp_shrink_window, default false",
             "Takes effect on next host-admin run");
 
+    public static final UnboundLongFlag FILE_DOWNLOAD_BACKOFF_INITIAL_TIME = defineLongFlag(
+            "file-download-backoff-initial-time", 1000,
+            List.of("hmusum"), "2024-08-16", "2024-09-16",
+            "Initial backoff time in milliseconds when failing to download a file reference",
+            "Takes effect on restart of Docker container");
+
     /** WARNING: public for testing: All flags should be defined in {@link Flags}. */
     public static UnboundBooleanFlag defineFeatureFlag(String flagId, boolean defaultValue, List<String> owners,
                                                        String createdAt, String expiresAt, String description,