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Don't check slave lag on cluster nodes.

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This commit is contained in:
Daniel Nichter
2012-06-27 15:53:09 -06:00
parent d7099496ca
commit 18e4e1f0e5
1 changed files with 17 additions and 1 deletions
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18
bin/pt-table-checksum
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@@ -6513,7 +6513,6 @@ sub main {
my $master_dbh = $master_cxn->dbh(); # just for brevity my $master_dbh = $master_cxn->dbh(); # just for brevity
my $master_dsn = $master_cxn->dsn(); # just for brevity my $master_dsn = $master_cxn->dsn(); # just for brevity
# ######################################################################## # ########################################################################
# If this is not a dry run (--explain was not specified), then we're # If this is not a dry run (--explain was not specified), then we're
# going to checksum the tables, so do the necessary preparations and # going to checksum the tables, so do the necessary preparations and
@@ -6573,6 +6572,23 @@ sub main {
$slave_lag_cxns = $slaves; $slave_lag_cxns = $slaves;
} }
# Cluster nodes aren't slaves, so SHOW SLAVE STATUS doesn't work.
# Nodes shouldn't be out of sync anyway because the cluster is
# (virtually) synchronous, so waiting for the last checksum chunk
# to appear should be sufficient.
@$slave_lag_cxns = grep {
my $slave_cxn = $_;
if ( $slave_cxn->is_cluster_node() ) {
warn "Not checking replica lag on " . $slave_cxn->name()
. " because it is a cluster node.\n";
0;
}
else {
PTDEBUG && _d('Will check slave lag on', $slave_cxn->name());
$slave_cxn;
}
} @$slave_lag_cxns;
# ##################################################################### # #####################################################################
# Possibly check replication slaves and exit. # Possibly check replication slaves and exit.
# ##################################################################### # #####################################################################