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pt-heartbeat now checks for read_only status before creating table and doing insert

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Frank Cizmich
2014-10-27 16:59:47 -02:00
parent 4ba15b4887
commit 1ad5655263
1 changed files with 21 additions and 0 deletions
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21
bin/pt-heartbeat
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@@ -4891,6 +4891,27 @@ sub main {
$dbh->{FetchHashKeyName} = 'NAME_lc';
$dbh->do("USE `$db`");
# ########################################################################
# If --check-read-only option was given and we are in --update mode
# we wait until server is writable , or run-time is over
# We also do this check after daemon is up and running, but it is necessary
# to check this before attempting to create the table and inserting rows
# https://bugs.launchpad.net/percona-toolkit/+bug/1328686
# #######################################################################
if ( $o->get('check-read-only') && $o->get('update') ) {
PTDEBUG && _d('--check-read-only option was set and we are in --update mode. Checking if server is read_only');
server_is_readonly($dbh) && PTDEBUG && _d('Server is read_only ... can\'t do anything yet... waiting');
my $start_time = time;
my $run_time = $o->get('run-time');
my $interval = $o->get('interval') || 5;
while (server_is_readonly($dbh)) {
sleep($interval);
if ($run_time && $run_time < time - $start_time) {
return 0;
}
}
}
# ########################################################################
# Create the heartbeat table if --create-table was given.
# ########################################################################