From c5bb255e5c87aa5b3793e7a8ccda8406d5854a11 Mon Sep 17 00:00:00 2001
From: Christian Aistleitner <christian@quelltextlich.at>
Date: Sun, 14 Jun 2020 12:25:30 +0200
Subject: [PATCH] Allow to re-index in verbose mode during NoteDB migration

This makes it easier to see which changes just got indexed and
correlate performance graphs with what is going on.

Change-Id: Ic3131c997102bfd476326e84dba8cc7206592bbc
---
 .../google/gerrit/pgm/MigrateToNoteDb.java    | 23 ++++++++++++-------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/java/com/google/gerrit/pgm/MigrateToNoteDb.java b/java/com/google/gerrit/pgm/MigrateToNoteDb.java
index 2d375f391b..8d66bada2a 100644
--- a/java/com/google/gerrit/pgm/MigrateToNoteDb.java
+++ b/java/com/google/gerrit/pgm/MigrateToNoteDb.java
@@ -101,6 +101,9 @@ public class MigrateToNoteDb extends SiteProgram {
       handler = ExplicitBooleanOptionHandler.class)
   private Boolean reindex;
 
+  @Option(name = "--verbose", usage = "Output more detailed information when reindexing")
+  private boolean verbose;
+
   private Injector dbInjector;
   private Injector sysInjector;
   private LifecycleManager dbManager;
@@ -164,14 +167,18 @@ public class MigrateToNoteDb extends SiteProgram {
     }
     // Reindex all indices, to save the user from having to run yet another program by hand while
     // their server is offline.
-    List<String> reindexArgs =
-        ImmutableList.of(
-            "--site-path",
-            getSitePath().toString(),
-            "--threads",
-            Integer.toString(threads),
-            "--index",
-            ChangeSchemaDefinitions.NAME);
+    ImmutableList.Builder<String> reindexArgsBuilder = ImmutableList.builder();
+    reindexArgsBuilder.add(
+        "--site-path",
+        getSitePath().toString(),
+        "--threads",
+        Integer.toString(threads),
+        "--index",
+        ChangeSchemaDefinitions.NAME);
+    if (verbose) {
+      reindexArgsBuilder.add("--verbose");
+    }
+    List<String> reindexArgs = reindexArgsBuilder.build();
     System.out.println("Migration complete, reindexing changes with:");
     System.out.println("  reindex " + reindexArgs.stream().collect(joining(" ")));
     Reindex reindexPgm = new Reindex();