SERVER-70127 change system operations to be killable by default

1 files changed, 7 insertions, 0 deletions

diff --git a/src/mongo/db/repl/transaction_oplog_application.cpp b/src/mongo/db/repl/transaction_oplog_application.cpp
index 06167fce271..2c2b05c84d7 100644
--- a/src/mongo/db/repl/transaction_oplog_application.cpp
+++ b/src/mongo/db/repl/transaction_oplog_application.cpp
@@ -774,6 +774,13 @@ void reconstructPreparedTransactions(OperationContext* opCtx, repl::OplogApplica
             // transaction oplog entry.
             auto newClient =
                 opCtx->getServiceContext()->makeClient("reconstruct-prepared-transactions");
+
+            // TODO(SERVER-74656): Please revisit if this thread could be made killable.
+            {
+                stdx::lock_guard<Client> lk(*newClient.get());
+                newClient.get()->setSystemOperationUnkillableByStepdown(lk);
+            }
+
             AlternativeClientRegion acr(newClient);
             const auto newOpCtx = cc().makeOperationContext();