SERVER-28604 Log when a cursor is reaped for timeout

(cherry picked from commit 480af6017647716bd2d087c6d772ef44db47c4cc)

1 files changed, 2 insertions, 0 deletions

diff --git a/src/mongo/s/query/cluster_cursor_manager.cpp b/src/mongo/s/query/cluster_cursor_manager.cpp
index 079582cfb47..246be0957a0 100644
--- a/src/mongo/s/query/cluster_cursor_manager.cpp
+++ b/src/mongo/s/query/cluster_cursor_manager.cpp
@@ -403,6 +403,8 @@ void ClusterCursorManager::killAllCursors() {
     for (auto& nsContainerPair : _namespaceToContainerMap) {
         for (auto& cursorIdEntryPair : nsContainerPair.second.entryMap) {
             cursorIdEntryPair.second.setKillPending();
+            log() << "Cursor id " << cursorIdEntryPair.first << " timed out, idle since "
+                  << cursorIdEntryPair.second.getLastActive().toString();
         }
     }
 }