SERVER-56733 Index builds must set the PrepareConflictBehavior::kIgnoreConflictsAllowWrites flag on the RecoveryUnit on resume in the drain phase

1 files changed, 5 insertions, 5 deletions

diff --git a/src/mongo/db/index_builds_coordinator.cpp b/src/mongo/db/index_builds_coordinator.cpp
index 9e3a9a8f059..ba9d2d46a56 100644
--- a/src/mongo/db/index_builds_coordinator.cpp
+++ b/src/mongo/db/index_builds_coordinator.cpp
@@ -2091,6 +2091,11 @@ void IndexBuildsCoordinator::_runIndexBuildInner(
 
         hangAfterInitializingIndexBuild.pauseWhileSet(opCtx);
 
+        // Index builds can safely ignore prepare conflicts and perform writes. On secondaries,
+        // prepare operations wait for index builds to complete.
+        opCtx->recoveryUnit()->setPrepareConflictBehavior(
+            PrepareConflictBehavior::kIgnoreConflictsAllowWrites);
+
         if (resumeInfo) {
             _resumeIndexBuildFromPhase(opCtx, replState, indexBuildOptions, resumeInfo.get());
         } else {
@@ -2370,11 +2375,6 @@ CollectionPtr IndexBuildsCoordinator::_setUpForScanCollectionAndInsertSortedKeys
     // Set up the thread's currentOp information to display createIndexes cmd information.
     updateCurOpOpDescription(opCtx, collection->ns(), replState->indexSpecs);
 
-    // Index builds can safely ignore prepare conflicts and perform writes. On secondaries,
-    // prepare operations wait for index builds to complete.
-    opCtx->recoveryUnit()->setPrepareConflictBehavior(
-        PrepareConflictBehavior::kIgnoreConflictsAllowWrites);
-
     return collection;
 }