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now accepts recursion-method=none on PXC for specialized purposes - 1373937

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This commit is contained in:
Frank Cizmich
2014-10-10 15:25:26 -02:00
parent 4ba15b4887
commit ea9ec4c788
2 changed files with 25 additions and 6 deletions
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12
bin/pt-table-checksum
View File

@@ -9363,10 +9363,17 @@ sub main {
if ( $cluster_name_for{$master_cxn} ) {
if ( !@$slaves ) {
if ( ($o->get('recursion-method')->[0] || '') ne 'none' ) {
die $master_cxn->name() . " is a cluster node but no other nodes "
. "or regular replicas were found. Use --recursion-method=dsn "
. "to specify the other nodes in the cluster.\n";
}
else {
warn "WARNING !!! Using --recursion-method=none. "
. "No diffs will be found because no other nodes will be checksummed. "
. "Use method 'cluster' or 'dsn' (see docs) if you want to find diffs.";
}
}
# Make sure the master and all node are in the same cluster.
my @other_cluster;
@@ -12240,9 +12247,10 @@ DSNs are ordered by C<id>, but C<id> and C<parent_id> are otherwise ignored.
The C<dsn> column contains a replica DSN like it would be given on the command
line, for example: C<"h=replica_host,u=repl_user,p=repl_pass">.
The C<none> method prevents the tool from connecting to any replicas.
The C<none> method prevents the tool from connecting to any replicas or nodes.
This effectively disables all the L<"REPLICA CHECKS"> because there will
not be any replicas to check. Therefore, this method is not recommended.
not be any replicas to check. Therefore, this method is not recommended unless
it's for a specialized purpose where you only need to obtain checksums for one server.
=item --replicate

13
t/pt-table-checksum/pxc.t
View File

@@ -81,6 +81,17 @@ like(
"Dies if no other nodes are found"
);
($output, $exit_status) = full_output(
sub { pt_table_checksum::main(@args, '--recursion-method', 'none') },
stderr => 1,
);
ok (
$output =~ qr/WARNING/i && !$exit_status,
"Warns but doesn't die if --recursion-method=none - issue #1373937"
);
for my $args (
["using recusion-method=dsn", '--recursion-method', "dsn=$node1_dsn,D=dsns,t=dsns"],
["using recursion-method=cluster", '--recursion-method', 'cluster']
@@ -232,7 +243,7 @@ for my $args (
# Wait for the slave to apply the binlogs from node1 (its master).
# Then change it so it's not consistent.
PerconaTest::wait_for_table($slave_dbh, 'test.t');
$sb->wait_for_slaves('cslave1');
$sb->wait_for_slaves(master => 'node1', slave => 'cslave1');
$slave_dbh->do("update test.t set c='zebra' where c='z'");
$output = output(