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# ==== Purpose ====
#
# Reset all replication servers to a clean state:
#
# - sync all slaves,
# - stop all slaves (STOP SLAVE),
# - remove all binlogs and relay logs (RESET MASTER and RESET SLAVE),
# - start all slaves again (START SLAVE).
#
# It does not execute CHANGE MASTER, so the replication topology is
# kept intact.
#
#
# ==== Usage ====
#
# [--let $rpl_only_running_threads= 1]
# [--let $rpl_debug= 1]
# [--let $slave_timeout= NUMBER]
# --source include/rpl_end.inc
#
# Parameters:
# $rpl_only_running_threads
# If one or both of the IO and SQL threads is stopped, sync and
# stop only the threads that are running. See
# include/rpl_sync.inc and include/stop_slave.inc for details.
#
# $rpl_debug
# See include/rpl_init.inc
#
# $slave_timeout
# Set the timeout when waiting for slave threads to stop and
# start, respectively. See include/wait_for_slave_param.inc
#
# Note:
# This script will fail if Last_SQL_Error or Last_IO_Error is
# nonempty. If you expect an error in the SQL thread, you should
# normally do this before you source include/rpl_reset.inc:
#
# --source include/wait_for_slave_sql_error.inc
# --source include/stop_slave_io.inc
# RESET SLAVE;
--let $include_filename= rpl_reset.inc
--source include/begin_include_file.inc
if (!$rpl_debug)
{
--disable_query_log
}
--source include/rpl_sync.inc
if ($rpl_debug)
{
--echo ---- Stop and reset all servers ----
}
--let $_rpl_server= $rpl_server_count
while ($_rpl_server)
{
--let $rpl_connection_name= server_$_rpl_server
--source include/rpl_connection.inc
RESET MASTER;
# Check if this server is configured to have a master
if (`SELECT SUBSTRING('$rpl_master_list', 1 + ($_rpl_server - 1) * $rpl_server_count_length, $rpl_server_count_length) != ''`)
{
--source include/stop_slave.inc
--source include/reset_slave.inc
}
--dec $_rpl_server
}
--source include/rpl_start_slaves.inc
--let $include_filename= rpl_reset.inc
--source include/end_include_file.inc
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