From b23e2617864ee65d4c4b82808f277897b42eee46 Mon Sep 17 00:00:00 2001
From: Mike McCandless <mikemccand@apache.org>
Date: Mon, 12 Apr 2021 17:59:58 -0400
Subject: [PATCH] LUCENE-9888: revert CheckIndex change that confirmed all
 segments have identical segment sort: it is too strict

---
 .../src/java/org/apache/lucene/index/CheckIndex.java   | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/lucene/core/src/java/org/apache/lucene/index/CheckIndex.java b/lucene/core/src/java/org/apache/lucene/index/CheckIndex.java
index cba33c9469a..a8bff8ba662 100644
--- a/lucene/core/src/java/org/apache/lucene/index/CheckIndex.java
+++ b/lucene/core/src/java/org/apache/lucene/index/CheckIndex.java
@@ -606,8 +606,6 @@ public final class CheckIndex implements Closeable {
     result.newSegments.clear();
     result.maxSegmentName = -1;
 
-    Sort previousIndexSort = null;
-
     for (int i = 0; i < numSegments; i++) {
       final SegmentCommitInfo info = sis.info(i);
       long segmentName = Long.parseLong(info.info.name.substring(1), Character.MAX_RADIX);
@@ -653,14 +651,6 @@ public final class CheckIndex implements Closeable {
         Sort indexSort = info.info.getIndexSort();
         if (indexSort != null) {
           msg(infoStream, "    sort=" + indexSort);
-          if (previousIndexSort != null) {
-            if (previousIndexSort.equals(indexSort) == false) {
-              throw new RuntimeException(
-                  "index sort changed from " + previousIndexSort + " to " + indexSort);
-            }
-          } else {
-            previousIndexSort = indexSort;
-          }
         }
         segInfoStat.numFiles = info.files().size();
         segInfoStat.sizeMB = info.sizeInBytes() / (1024. * 1024.);