config root man

# test needs two different servers, hence disable test for
# embedded which only runs on one
-- source include/not_embedded.inc
-- source include/have_ndb.inc
-- source include/have_multi_ndb.inc

# Test uses a 4 node configuration with
# ndbd using nodeid 1-4, mgmd 5, first mysqld 6 and second mysqld 7

# Check that there are 4 connections from second mysqld
connection server1;
let $wait_condition = select count(*) = 4
                      from ndbinfo.transporters
                      where remote_node_id = 7 and status='CONNECTED';
--source include/wait_condition.inc

--echo # Restart mysqld with all data nodes started
connection server2;
let $start_time = `select now()`;
let $mysqld_name=mysqld.2.1;
--source include/restart_mysqld.inc
let $mysqld_restart_time_full_cluster= `select timestampdiff(second, '$start_time', now())`;
#echo $mysqld_restart_time_full_cluster;

--echo # Check that there are still 4 connections from second mysqld
connection server1;
let $wait_condition = select count(*) = 4
                      from ndbinfo.transporters
                      where remote_node_id = 7 and status='CONNECTED';
--source include/wait_condition.inc

## Calculate a reasonable limit for restart time for mysqld with partial cluster
## It should take about the same time as with full cluster, but also depends
## on what else runs on the machine at the time. Use average between mysqld
## restart time with full cluster (see above) and maximal time according to
## configuration.
## Could of course just skip this and just check the number of connections
## after restart.
## Note also that in normal case the main part of restart time is not spent
## waiting for db nodes.
let $mysqld_restart_time_partial_cluster_limit =
  `select (@@ndb_wait_connected + $mysqld_restart_time_full_cluster)/2`;
#echo $mysqld_restart_time_partial_cluster_limit;

# Stop two data nodes, one with node group, one without
--exec $NDB_MGM --no-defaults --verbose=0 --execute "2 restart -n"
--exec $NDB_MGM --no-defaults --verbose=0 --execute "4 restart -n -a"

--echo # Check that there are only _2_ connections from second mysqld
connection server1;
let $wait_condition = select count(*) = 2
                      from ndbinfo.transporters
                      where remote_node_id = 7 and status='CONNECTED';
--source include/wait_condition.inc

--echo # Restart one mysqld with 2 data nodes down and check how long it took
connection server2;
let $start_time = `select now()`;
let $mysqld_name=mysqld.2.1;
--source include/restart_mysqld.inc
let $mysqld_restart_time_partial_cluster= `select timestampdiff(second, '$start_time', now())`;
#echo $mysqld_restart_time_partial_cluster;

if (`select $mysqld_restart_time_partial_cluster >= $mysqld_restart_time_partial_cluster_limit`)
{
  select now();
  echo mysqld_restart_time_full_cluster: $mysqld_restart_time_full_cluster;
  echo mysqld_restart_time_partial_cluster: $mysqld_restart_time_partial_cluster;
  echo mysqld_restart_time_partial_cluster_limit: $mysqld_restart_time_partial_cluster_limit;
  select @@ndb_wait_connected;
  select * from ndbinfo.transporters;
  -- die Restart took longer time then expected, indicates either bug or extreme load on test machine.
}

--echo # Check that there are 2 connections from second mysqld
connection server1;
let $wait_condition = select count(*) = 2
                      from ndbinfo.transporters
                      where remote_node_id = 7 and status='CONNECTED';
--source include/wait_condition.inc

--echo # Start all data nodes again.
--exec $NDB_MGM --no-defaults --verbose=0 --execute "2 start"
--exec $NDB_MGM --no-defaults --verbose=0 --execute "4 start"
--exec $NDB_WAITER --no-defaults --wait-nodes=2,4 >> $NDB_TOOLS_OUTPUT

--echo # Check that there are again 4 connections from second mysqld
connection server1;
let $wait_condition = select count(*) = 4
                      from ndbinfo.transporters
                      where remote_node_id = 7 and status='CONNECTED';
# Would really just want to wait for one api data node heart beat interval (1.5s)
# to verify that newly started data nodes are quickly connected by api node.
# But since mtr often runs in overloaded hosts a longer timeout (6s) is used.
let $wait_timeout = 6;
--source include/wait_condition.inc