SERVER-85627 Log thread information when interrupted by repl state change (#18653) (#31321)

GitOrigin-RevId: 06a1b2cb71e67337e1859db7e356d1420e5b601f

Author: lankas

src/mongo/db/repl/replication_coordinator_impl.cpp

@@ -2662,11 +2662,19 @@ void ReplicationCoordinatorImpl::_killConflictingOpsOnStepUpAndStepDown(
         // Don't kill step up/step down thread.
         if (toKill && !toKill->isKillPending() && toKill->getOpID() != rstlOpCtx->getOpID()) {
             auto locker = toKill->lockState();
-            if (toKill->shouldAlwaysInterruptAtStepDownOrUp() ||
-                locker->wasGlobalLockTakenInModeConflictingWithWrites() ||
-                PrepareConflictTracker::get(toKill).isWaitingOnPrepareConflict()) {
+            bool alwaysInterrupt = toKill->shouldAlwaysInterruptAtStepDownOrUp();
+            bool globalLockConfict = locker->wasGlobalLockTakenInModeConflictingWithWrites();
+            bool isWaitingOnPrepareConflict =
+                PrepareConflictTracker::get(toKill).isWaitingOnPrepareConflict();
+            if (alwaysInterrupt || globalLockConfict || isWaitingOnPrepareConflict) {
                 serviceCtx->killOperation(lk, toKill, reason);
                 arsc->incrementUserOpsKilled();
+                LOGV2(8562701,
+                      "Repl state change interrupted a thread.",
+                      "name"_attr = client->desc(),
+                      "alwaysInterrupt"_attr = alwaysInterrupt,
+                      "globalLockConflict"_attr = globalLockConfict,
+                      "isWaitingOnPrepareConflict"_attr = isWaitingOnPrepareConflict);
             } else {
                 arsc->incrementUserOpsRunning();
             }