mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-01 18:25:59 +00:00
825dea7547
- Modified the tool, so if both --chunk-size and --chunk-time are specified, it starts chunking with the indicated --chunk-size, and then adjusts chunk size to fit the time.
107 lines
3.0 KiB
Perl
107 lines
3.0 KiB
Perl
#!/usr/bin/env perl
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BEGIN {
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die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
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unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
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unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
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};
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use strict;
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use warnings FATAL => 'all';
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use English qw(-no_match_vars);
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use Test::More;
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use Data::Dumper;
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use PerconaTest;
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use Sandbox;
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require "$trunk/bin/pt-online-schema-change";
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my $dp = new DSNParser(opts=>$dsn_opts);
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my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
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my $source_dbh = $sb->get_dbh_for('source');
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if ( !$source_dbh ) {
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plan skip_all => 'Cannot connect to sandbox source';
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}
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# The sandbox servers run with lock_wait_timeout=3 and it's not dynamic
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# so we need to specify --set-vars innodb_lock_wait_timeout=3 else the
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# tool will die.
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my $source_dsn = 'h=127.1,P=12345,u=msandbox,p=msandbox';
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my @args = (qw(--set-vars innodb_lock_wait_timeout=3));
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my $sample = "t/pt-online-schema-change/samples/";
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my $plugin = "$trunk/$sample/plugins";
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my $output;
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my $exit_status;
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$sb->load_file('source', "$sample/basic_no_fks.sql");
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# Should be big enough, so we can watch how number of chunks changes with different options
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my $num_rows = 5000;
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diag("Loading $num_rows into the table. This might take some time.");
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diag(`util/mysql_random_data_load --host=127.0.0.1 --port=12345 --user=msandbox --password=msandbox pt_osc t $num_rows`);
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$source_dsn,D=pt_osc,t=t",
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'--progress', 'iterations,1',
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"--alter", "FORCE",
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'--chunk-size=100',
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'--execute') },
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stderr => 1,
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);
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my $chunks = () = $output =~ /Copying `pt_osc`.`t`:\s+\d+% \d\d:\d\d remain/gi;
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is(
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$chunks,
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51,
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'Chunk size was not modified with default --chunk-time'
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) or diag($chunks, $output);
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$source_dsn,D=pt_osc,t=t",
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'--progress', 'iterations,1',
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"--alter", "FORCE",
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'--chunk-size=100',
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'--chunk-time=0',
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'--execute') },
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stderr => 1,
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);
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$chunks = () = $output =~ /Copying `pt_osc`.`t`:\s+\d+% \d\d:\d\d remain/gi;
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is(
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$chunks,
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51,
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'Chunk size was not modified with --chunk-time=0'
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) or diag($chunks, $output);
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$source_dsn,D=pt_osc,t=t",
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'--progress', 'iterations,1',
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"--alter", "FORCE",
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'--chunk-size=100',
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'--chunk-time=0.5',
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'--execute') },
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stderr => 1,
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);
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$chunks = () = $output =~ /Copying `pt_osc`.`t`:\s+\d+% \d\d:\d\d remain/gi;
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is(
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$chunks,
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2,
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'Chunk size was adjusted to fit specified --chunk-time'
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) or diag($chunks, $output);
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# #############################################################################
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# Done.
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# #############################################################################
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$sb->wipe_clean($source_dbh);
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ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
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done_testing;
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