PaperMC/Remapped-Spigot-Server-Patches/0304-Don-t-sleep-after-profile-lookups-if-not-needed.patch

From 0000000000000000000000000000000000000000 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 a3ab666b5fa89aad7ee167d9aeff2f62019a4a78..8e182fdd69dba6e1c52e2f6a893534d77fb3bfaa 100644
--- a/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
+++ b/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
@@ -43,6 +43,7 @@ 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;
@@ -68,6 +69,12 @@ 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);