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| 1 | +use strict; |
| 2 | +use warnings; |
| 3 | + |
| 4 | +use Cluster; |
| 5 | +use TestLib; |
| 6 | +use Test::More tests => 1; |
| 7 | +use IPC::Run qw(start finish); |
| 8 | +use Cwd; |
| 9 | + |
| 10 | +my $nnodes = 2; |
| 11 | +my $nclients = 10; |
| 12 | +my $nkeys = $nnodes * $nclients; |
| 13 | +my $cluster = new Cluster($nnodes); |
| 14 | + |
| 15 | +$cluster->init(); |
| 16 | +$cluster->configure(); |
| 17 | +$cluster->start(); |
| 18 | + |
| 19 | +my ($rc, $in, $out, $err); |
| 20 | + |
| 21 | +diag("sleeping 10"); |
| 22 | +sleep(10); |
| 23 | + |
| 24 | +diag("preparing the tables"); |
| 25 | +if ($cluster->psql(0, 'postgres', "create table t (k int primary key, v int)")) |
| 26 | +{ |
| 27 | + BAIL_OUT('failed to create t'); |
| 28 | +} |
| 29 | + |
| 30 | +if ($cluster->psql(0, 'postgres', "insert into t (select generate_series(0, $nkeys - 1), 0)")) |
| 31 | +{ |
| 32 | + BAIL_OUT('failed to fill t'); |
| 33 | +} |
| 34 | + |
| 35 | +sub appender |
| 36 | +{ |
| 37 | + my ($appender_id, $clients, $seconds, $node, $inref, $outref) = @_; |
| 38 | + |
| 39 | + my @argv = ( |
| 40 | + 'pgbench', |
| 41 | + '-n', |
| 42 | + -c => $clients, |
| 43 | + -j => $clients, |
| 44 | + -T => $seconds, |
| 45 | + -h => $node->host(), |
| 46 | + -p => $node->port(), |
| 47 | + -D => "appender_id=$appender_id", |
| 48 | + -D => "clients=$clients", |
| 49 | + -f => 'tests/appender.pgb', |
| 50 | + 'postgres', |
| 51 | + ); |
| 52 | + |
| 53 | + diag("running[" . getcwd() . "]: " . join(' ', @argv)); |
| 54 | + |
| 55 | + return start(\@argv, $inref, $outref); |
| 56 | +} |
| 57 | + |
| 58 | +sub state_dump |
| 59 | +{ |
| 60 | + my $state = shift; |
| 61 | + |
| 62 | + diag("<<<<<"); |
| 63 | + while (my ($key, $value) = each(%{$state})) |
| 64 | + { |
| 65 | + diag("$key -> $value"); |
| 66 | + } |
| 67 | + diag(">>>>>"); |
| 68 | +} |
| 69 | + |
| 70 | +sub state_leq |
| 71 | +{ |
| 72 | + my ($a, $b) = @_; |
| 73 | + |
| 74 | + while (my ($key, $value) = each(%{$a})) |
| 75 | + { |
| 76 | + if (!exists($b->{$key})) |
| 77 | + { |
| 78 | + diag("b has no key $key\n"); |
| 79 | + return 0; |
| 80 | + } |
| 81 | + |
| 82 | + if ($b->{$key} < $value) |
| 83 | + { |
| 84 | + diag($b->{$key} . " < $value\n"); |
| 85 | + return 0; |
| 86 | + } |
| 87 | + } |
| 88 | + |
| 89 | + return 1; |
| 90 | +} |
| 91 | + |
| 92 | +sub parse_state |
| 93 | +{ |
| 94 | + my $str = shift; |
| 95 | + my $state = {}; |
| 96 | + |
| 97 | + while ($str =~ /(\d+)\|(\d+)/g) |
| 98 | + { |
| 99 | + $state->{$1} = $2; |
| 100 | + } |
| 101 | + |
| 102 | + return $state; |
| 103 | +} |
| 104 | + |
| 105 | +diag("starting appenders"); |
| 106 | +diag("starting benches"); |
| 107 | +$in = ''; |
| 108 | +$out = ''; |
| 109 | +my @appenders = (); |
| 110 | +my $appender_id = 0; |
| 111 | +my $seconds = 30; |
| 112 | +foreach my $node (@{$cluster->{nodes}}) |
| 113 | +{ |
| 114 | + push(@appenders, appender($appender_id, $nclients, $seconds, $node, \$in, \$out)); |
| 115 | + $appender_id++; |
| 116 | +} |
| 117 | + |
| 118 | +my $selects = 0; |
| 119 | +my $anomalies = 0; |
| 120 | +my $started = time(); |
| 121 | +my $node_id = 0; |
| 122 | +my $state_a = undef; |
| 123 | +my $state_b = undef; |
| 124 | +my $out_a = ''; |
| 125 | +my $out_b = ''; |
| 126 | +while (time() - $started < $seconds) |
| 127 | +{ |
| 128 | + $node_id = ($node_id + 1) % $nnodes; |
| 129 | + $state_a = $state_b; |
| 130 | + $out_a = $out_b; |
| 131 | + ($rc, $out, $err) = $cluster->psql($node_id, 'postgres', "select * from t;"); |
| 132 | + $selects++; |
| 133 | + $state_b = parse_state($out); |
| 134 | + $out_b = $out; |
| 135 | + if (defined $state_a) |
| 136 | + { |
| 137 | + if (!state_leq($state_a, $state_b) && !state_leq($state_a, $state_b)) |
| 138 | + { |
| 139 | + diag("cross anomaly detected:\n===a\n$out_a\n+++b\n$out_b\n---\n"); |
| 140 | + $anomalies++; |
| 141 | + } |
| 142 | + } |
| 143 | +} |
| 144 | + |
| 145 | +diag("finishing benches"); |
| 146 | +foreach my $appender (@appenders) |
| 147 | +{ |
| 148 | + finish($appender) || BAIL_OUT("pgbench exited with $?"); |
| 149 | +} |
| 150 | + |
| 151 | +is($anomalies, 0, "no cross anomalies after $selects selects"); |
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