PaperMC/Spigot-Server-Patches/0399-Don-t-sleep-after-profile-lookups-if-not-needed.patch

From 155072294c6e8e405583b1dfcdb8102389b86c47 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 23 Oct 2018 20:25:05 -0400
Subject: [PATCH] Don't sleep after profile lookups if not needed

Mojang was sleeping even if we had no more requests to go after
the current one finished, resulting in 100ms lost per profile lookup

diff --git a/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java b/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
index 71e48e87b..23f1447cf 100644
--- a/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
+++ b/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
@@ -42,6 +42,7 @@ public class YggdrasilGameProfileRepository implements GameProfileRepository {
         }
 
         final int page = 0;
+        boolean hasRequested = false; // Paper
 
         for (final List<String> request : Iterables.partition(criteria, ENTRIES_PER_PAGE)) {
             int failCount = 0;
@@ -67,6 +68,12 @@ public class YggdrasilGameProfileRepository implements GameProfileRepository {
                         LOGGER.debug("Couldn't find profile {}", name);
                         callback.onProfileLookupFailed(new GameProfile(null, name), new ProfileNotFoundException("Server did not find the requested profile"));
                     }
+                    // Paper start
+                    if (!hasRequested) {
+                        hasRequested = true;
+                        continue;
+                    }
+                    // Paper end
 
                     try {
                         Thread.sleep(DELAY_BETWEEN_PAGES);
-- 
2.19.1