Reuse node indexes

2 files changed, 10 insertions, 1 deletions

diff --git a/flags/src/main/java/com/yahoo/vespa/flags/FlagSource.java b/flags/src/main/java/com/yahoo/vespa/flags/FlagSource.java
index 34e69e735fa..1572286207d 100644
--- a/flags/src/main/java/com/yahoo/vespa/flags/FlagSource.java
+++ b/flags/src/main/java/com/yahoo/vespa/flags/FlagSource.java
@@ -9,6 +9,8 @@ import java.util.Optional;
  * @author hakonhall
  */
 public interface FlagSource {
-    /** Get raw flag for the given vector (specifying hostname, application id, etc). */
+
+    /** Returns the raw flag for the given vector (specifying hostname, application id, etc). */
     Optional<RawFlag> fetch(FlagId id, FetchVector vector);
+
 }
diff --git a/flags/src/main/java/com/yahoo/vespa/flags/Flags.java b/flags/src/main/java/com/yahoo/vespa/flags/Flags.java
index 271c75fe446..0ef2e51fe1f 100644
--- a/flags/src/main/java/com/yahoo/vespa/flags/Flags.java
+++ b/flags/src/main/java/com/yahoo/vespa/flags/Flags.java
@@ -383,6 +383,13 @@ public class Flags {
             "Takes effect at redeployment",
             ZONE_ID, APPLICATION_ID);
 
+    public static final UnboundBooleanFlag REUSE_NODE_INDEXES = defineFeatureFlag(
+            "reuse-node-indexes", false,
+            List.of("bratseth"), "2022-02-25", "2022-04-25",
+            "Whether we should reuse earlier indexes when allocating new nodes",
+            "Takes effect immediately",
+            ZONE_ID);
+
     /** 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,