Fix for Windows

storage/innobase/srv/srv0start.c

@@ -1267,7 +1267,7 @@ innobase_start_or_create_for_mysql(void)
                                         SRV_MAX_N_PENDING_SYNC_IOS);
 	} else {
                 /* Might need more slots here. Alas, I don't do windows. */
-                n_threads = os_aio_init(SRV_N_PENDING_IOS_PER_THREAD,
+                n_threads = os_aio_init(8 * SRV_N_PENDING_IOS_PER_THREAD,
                                         srv_n_read_io_threads,
                                         srv_n_write_io_threads,
                                         SRV_MAX_N_PENDING_SYNC_IOS);