Add persistent pool statistics

Added number of times a connection was taken from the pool as well as the availability of the pool as a percentage of connections taken from the pool.
2017-08-20 21:54:18 +03:00
parent e91c0fe095
commit b56594470b
3 changed files with 10 additions and 4 deletions
--- a/server/core/dcb.c
+++ b/server/core/dcb.c
@ -636,6 +636,7 @@ dcb_connect(SERVER *server, MXS_SESSION *session, const char *protocol)
            dcb->persistentstart = 0;
            dcb->was_persistent = true;
            dcb->last_read = hkheartbeat;
+            atomic_add_uint64(&server->stats.n_from_pool, 1);
            return dcb;
        }
        else