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-rw-r--r--src/vcl/vcl_locked.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/vcl/vcl_locked.c b/src/vcl/vcl_locked.c
index 8b0c66d4bdd..563d97ef804 100644
--- a/src/vcl/vcl_locked.c
+++ b/src/vcl/vcl_locked.c
@@ -1312,7 +1312,13 @@ vls_mp_checks (vcl_locked_session_t * vls, int is_add)
vls_listener_wrk_set (vls, vls->vcl_wrk_index, 1 /* is_active */);
break;
}
- vls_listener_wrk_stop_listen (vls, vls->vcl_wrk_index);
+ /* Although removal from epoll means listener no longer accepts new
+ * sessions, the accept queue built by vpp cannot be drained by stopping
+ * the listener. Morover, some applications, e.g., nginx, might
+ * constantly remove and add listeners to their epfds. Removing
+ * listeners in such situations causes a lot of churn in vpp as segments
+ * and segment managers need to be recreated. */
+ /* vls_listener_wrk_stop_listen (vls, vls->vcl_wrk_index); */
break;
case VCL_STATE_LISTEN_NO_MQ:
if (!is_add)