|
| 1 | +use strict; |
| 2 | +use warnings; |
| 3 | + |
| 4 | +use Cluster; |
| 5 | +use TestLib; |
| 6 | +use Test::Moretests=> 1; |
| 7 | +use IPC::Runqw(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,$nkeys - 1), 0)")) |
| 31 | +{ |
| 32 | +BAIL_OUT('failed to fill t'); |
| 33 | +} |
| 34 | + |
| 35 | +subappender |
| 36 | +{ |
| 37 | +my ($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 | +substate_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 | +substate_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 | +subparse_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 | +foreachmy$node (@{$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 | +foreachmy$appender (@appenders) |
| 147 | +{ |
| 148 | +finish($appender) || BAIL_OUT("pgbench exited with$?"); |
| 149 | +} |
| 150 | + |
| 151 | +is($anomalies, 0,"no cross anomalies after$selects selects"); |