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Adding --read-only-interval flag, and read-only check on wake-up

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This commit is contained in:
Shlomi Noach
2018-02-13 09:30:55 +02:00
parent 5574d09a6e
commit 3bcdf913fb
1 changed files with 96 additions and 76 deletions
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30
bin/pt-heartbeat
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@@ -5802,11 +5802,12 @@ sub main {
if ( server_is_readonly($dbh) && PTDEBUG ) {
_d('Server is read-only, waiting')
}
my $start_time = time;
my $run_time = $o->get('run-time');
my $interval = $o->get('interval') || 5;
my $start_time = time;
my $run_time = $o->get('run-time');
my $interval = $o->get('interval') || 5;
my $read_only_interval = $o->get('read-only-interval') || $interval;
while (server_is_readonly($dbh)) {
sleep($interval);
sleep($read_only_interval);
if (
($run_time && $run_time < time - $start_time)
|| -f $sentinel
@@ -6223,6 +6224,18 @@ sub main {
sleep $next_interval - $time;
PTDEBUG && _d('Woke up at', ts(time));
if ( $o->get('check-read-only') && $o->get('update') ) {
my $read_only_interval = $o->get('read-only-interval') || $interval;
while (server_is_readonly($dbh)) {
sleep($read_only_interval);
if (
-f $sentinel
) {
return 0;
}
}
}
# Connect or reconnect if necessary.
if ( !$dbh->ping() ) {
$dbh = $dp->get_dbh($dp->get_cxn_params($dsn), { AutoCommit => 1 });
@@ -6619,7 +6632,7 @@ before its delay. L<"--recurse"> only works with MySQL.
=item --check-read-only
Check if the server has read_only enabled; If it does, the tool skips doing
any inserts.
any inserts. See also L<"--read-only-interval">
=item --config
@@ -6835,6 +6848,13 @@ Print the auto-detected or given L<"--master-server-id">. If L<"--check">
or L<"--monitor"> is specified, specifying this option will print the
auto-detected or given L<"--master-server-id"> at the end of each line.
=item --read-only-interval
type: int
When L<"--check-read-only"> is specified, the interval to sleep while the
server is found to be read-only. If unspecified, L<"--interval"> is used.
=item --recurse
type: int