From 193bfdd831bbbf65e74acd12baf691d4305e3c11 Mon Sep 17 00:00:00 2001 From: Rucha Deodhar Date: Mon, 8 Feb 2021 14:52:04 +0530 Subject: MDEV-22010: use executables MariaDB named in scripts As a part of this MDEV following changes were made: 1) Mariadb named executables used instead of mysql named executables in scripts 2) renamed mysql-test-run and mysql-stress-test to mariadb-test-run and mariadb-stress-test and created a symlink. --- mysql-test/mariadb-stress-test.pl | 1241 +++++++++++++++++++++++++++++++++++++ 1 file changed, 1241 insertions(+) create mode 100755 mysql-test/mariadb-stress-test.pl (limited to 'mysql-test/mariadb-stress-test.pl') diff --git a/mysql-test/mariadb-stress-test.pl b/mysql-test/mariadb-stress-test.pl new file mode 100755 index 00000000000..3ccf965024d --- /dev/null +++ b/mysql-test/mariadb-stress-test.pl @@ -0,0 +1,1241 @@ +#!/usr/bin/env perl + +# Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU Library General Public +# License as published by the Free Software Foundation; version 2 +# of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Library General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA + +# ====================================================================== +# MySQL server stress test system +# ====================================================================== +# +########################################################################## +# +# SCENARIOS AND REQUIREMENTS +# +# The system should perform stress testing of MySQL server with +# following requirements and basic scenarios: +# +# Basic requirements: +# +# Design of stress script should allow one: +# +# - to use for stress testing mysqltest binary as test engine +# - to use for stress testing both regular test suite and any +# additional test suites (e.g. mysql-test-extra-5.0) +# - to specify files with lists of tests both for initialization of +# stress db and for further testing itself +# - to define number of threads that will be concurrently used in testing +# - to define limitations for test run. e.g. number of tests or loops +# for execution or duration of testing, delay between test executions, etc. +# - to get readable log file which can be used for identification of +# errors arose during testing +# +# Basic scenarios: +# +# * It should be possible to run stress script in standalone mode +# which will allow to create various scenarios of stress workloads: +# +# simple ones: +# +# box #1: +# - one instance of script with list of tests #1 +# +# and more advanced ones: +# +# box #1: +# - one instance of script with list of tests #1 +# - another instance of script with list of tests #2 +# box #2: +# - one instance of script with list of tests #3 +# - another instance of script with list of tests #4 +# that will recreate whole database to back it to clean +# state +# +# One kind of such complex scenarios maybe continued testing +# when we want to run stress tests from many boxes with various +# lists of tests that will last very long time. And in such case +# we need some wrapper for MySQL server that will restart it in +# case of crashes. +# +# * It should be possible to run stress script in ad-hoc mode from +# shell or perl versions of mysql-test-run. This allows developers +# to reproduce and debug errors that was found in continued stress +# testing +# +# 2009-01-28 OBN Additions and modifications per WL#4685 +# +######################################################################## + +use Config; + +if (!defined($Config{useithreads})) +{ + die < {mtime => 0, data => []}, + initdb => {mtime => 0, data => []}); + +# Error codes and sub-strings with corresponding severity +# +# S1 - Critical errors - cause immediately abort of testing. These errors +# could be caused by server crash or impossibility +# of test execution. +# +# S2 - Serious errors - these errors are bugs for sure as it knowns that +# they shouldn't appear during stress testing +# +# S3 - Unknown errors - Errors were returned but we don't know what they are +# so script can't determine if they are OK or not +# +# S4 - Non-seriuos errros - these errors could be caused by fact that +# we execute simultaneously statements that +# affect tests executed by other threads + +%error_strings = ( 'Failed in mysql_real_connect()' => S1, + 'Can\'t connect' => S1, + 'not found (Errcode: 2)' => S1, + 'does not exist' => S1, + 'Could not open connection \'default\' after \d+ attempts' => S1, + 'wrong errno ' => S3, + 'Result length mismatch' => S4, + 'Result content mismatch' => S4); + +%error_codes = ( 1012 => S2, 1015 => S2, 1021 => S2, + 1027 => S2, 1037 => S2, 1038 => S2, + 1039 => S2, 1040 => S2, 1046 => S2, + 1053 => S2, 1180 => S2, 1181 => S2, + 1203 => S2, 1205 => S4, 1206 => S2, + 1207 => S2, 1213 => S4, 1223 => S2, + 2002 => S1, 2003 => S1, 2006 => S1, + 2013 => S1 + ); + +share(%test_counters); +%test_counters=( loop_count => 0, test_count=>0); + +share($exiting); +$exiting=0; + +# OBN Code and 'set_exit_code' function added by ES to set an exit code based on the error category returned +# in combination with the --abort-on-error value see WL#4685) +use constant ABORT_MAKEWEIGHT => 20; +share($gExitCode); +$gExitCode = 0; # global exit code +sub set_exit_code { + my $severity = shift; + my $code = 0; + if ( $severity =~ /^S(\d+)/ ) { + $severity = $1; + $code = 11 - $severity; # S1=10, S2=9, ... -- as per WL + } + else { + # we know how we call the sub: severity should be S; so, we should never be here... + print STDERR "Unknown severity format: $severity; setting to S1\n"; + $severity = 1; + } + $abort = 0; + if ( $severity <= $opt_abort_on_error ) { + # the test finished with a failure severe enough to abort. We are adding the 'abort flag' to the exit code + $code += ABORT_MAKEWEIGHT; + # but are not exiting just yet -- we need to update global exit code first + $abort = 1; + } + lock $gExitCode; # we can use lock here because the script uses threads anyway + $gExitCode = $code if $code > $gExitCode; + kill INT, $$ if $abort; # this is just a way to call sig_INT_handler: it will set exiting flag, which should do the rest +} + +share($test_counters_lock); +$test_counters_lock=0; +share($log_file_lock); +$log_file_lock=0; + +$SIG{INT}= \&sig_INT_handler; +$SIG{TERM}= \&sig_TERM_handler; + + +GetOptions("server-host=s", "server-logs-dir=s", "server-port=s", + "server-socket=s", "server-user=s", "server-password=s", + "server-database=s", + "stress-suite-basedir=s", "suite=s", "stress-init-file:s", + "stress-tests-file:s", "stress-basedir=s", "stress-mode=s", + "stress-datadir=s", + "threads=s", "sleep-time=s", "loop-count=i", "test-count=i", + "test-duration=i", "test-suffix=s", "check-tests-file", + "verbose", "log-error-details", "cleanup", "mysqltest=s", + # OBN: (changing 'abort-on-error' to numberic for WL-4626/4685) + "abort-on-error=i" => \$opt_abort_on_error, "help") || usage(1); + +usage(0) if ($opt_help); + +#$opt_abort_on_error=1; + +$test_dirname=get_timestamp(); +$test_dirname.="-$opt_test_suffix" if ($opt_test_suffix ne ''); + +print <rel2abs($opt_stress_basedir); +$opt_stress_suite_basedir=File::Spec->rel2abs($opt_stress_suite_basedir); +$opt_server_logs_dir=File::Spec->rel2abs($opt_server_logs_dir); + +if ($opt_stress_datadir ne '') +{ + $opt_stress_datadir=File::Spec->rel2abs($opt_stress_datadir); +} + +if (! -d "$opt_stress_basedir") +{ + die <catdir($opt_server_logs_dir, $test_dirname), 0, 0755); + #Define filename of global session log file + $stress_log_file=File::Spec->catfile($opt_server_logs_dir, $test_dirname, + "mysql-stress-test.log"); +} + +if ($opt_suite ne '' && $opt_suite ne 'main' && $opt_suite ne 'default') +{ + $test_suite_dir=File::Spec->catdir($opt_stress_suite_basedir, "suite", $opt_suite); +} +else +{ + $test_suite_dir= $opt_stress_suite_basedir; +} + +if (!-d $test_suite_dir) +{ + die <catdir($test_suite_dir,'t'); +$test_suite_r_path=File::Spec->catdir($test_suite_dir,'r'); + +foreach my $suite_dir ($test_suite_t_path, $test_suite_r_path) +{ + if (!-d $suite_dir) + { + die <catdir($opt_stress_basedir,'t'); +$test_r_path=File::Spec->catdir($opt_stress_basedir,'r'); + +foreach $test_dir ($test_t_path, $test_r_path) +{ + if (-d $test_dir) + { + if ($opt_cleanup) + { + #Delete existing 't', 'r', 'r/*' subfolders in $stress_basedir + rmtree("$test_dir", 0, 0); + print "Cleanup $test_dir\n"; + } + else + { + die <{filename}= File::Spec->catfile($opt_stress_suite_basedir, + "testslist_client.txt"); + } + else + { + $tests_files{client}->{filename}= $opt_stress_tests_file; + } + + if (!-f $tests_files{client}->{filename}) + { + die <{filename}' with list of tests not exists. +Please ensure that this file exists, readable or specify another one with +--stress-tests-file option. + +EOF + } +} + +if (defined($opt_stress_init_file)) +{ + if ($opt_stress_init_file eq '') + { + #Default location of file with set of tests for current test run + $tests_files{initdb}->{filename}= File::Spec->catfile($opt_stress_suite_basedir, + "testslist_initdb.txt"); + } + else + { + $tests_files{initdb}->{filename}= $opt_stress_init_file; + } + + if (!-f $tests_files{initdb}->{filename}) + { + die <{filename}' with list of tests for initialization of database +for stress test not exists. +Please ensure that this file exists, readable or specify another one with +--stress-init-file option. + +EOF + } +} + +if ($opt_stress_mode !~ /^(random|seq)$/) +{ + die <); + close(TEST); + print "FOUND MYSQLTEST BINARY: ", $mysqltest_version,"\n"; +} +else +{ + die <\©_test_files, bydepth=>1}, "$test_suite_t_path"); + print "Done\n"; + + #$test_r_path/r0 dir reserved for initdb + $count_start= defined($opt_stress_init_file) ? 0 : 1; + + our $r_folder=''; + print "\nCreating 'r' folder and copying Protocol files to each 'r#' sub-folder..."; + for($count=$count_start; $count <= $opt_threads; $count++) + { + $r_folder = File::Spec->catdir($test_r_path, "r".$count); + mkpath("$r_folder", 0, 0777); + + find(\©_result_files,"$test_suite_r_path"); + } + print "Done\n\n"; +} + +if (defined($opt_stress_init_file)) +{ + print < 1, test_count => undef); + + #Read list of tests from $opt_stress_init_file + read_tests_names($tests_files{initdb}); + test_loop($client_ip, 0, 'seq', $tests_files{initdb}); + #print Dumper($tests_files{initdb}),"\n"; + print <{filename} file. + +EOF +} + +if (defined($opt_stress_tests_file)) +{ + print < 0, test_count=>0); + %limits=(loop_count => $opt_loop_count, test_count => $opt_test_count); + + if (($opt_loop_count && $opt_threads > $opt_loop_count) || + ($opt_test_count && $opt_threads > $opt_test_count)) + { + warn <create("test_loop", $client_ip, $id, + $opt_stress_mode, $tests_files{client}); + + print "main: Thread ID $id TID ",$thrd[$id]->tid," started\n"; + select(undef, undef, undef, 0.5); + } + + if ($opt_test_duration) + { + # OBN - At this point we need to wait for the duration of the test, hoever + # we need to be able to quit if an 'abort-on-error' condition has happend + # with one of the children (WL#4685). Using solution by ES and replacing + # the 'sleep' command with a loop checking the abort condition every second + + foreach ( 1..$opt_test_duration ) { + last if $exiting; + sleep 1; + } + kill INT, $$; #Interrupt child threads + } + + #Let other threads to process INT signal + sleep(1); + + for ($id=1; $id<=$opt_threads;$id++) + { + if (defined($thrd[$id])) + { + $thrd[$id]->join(); + } + } + print "EXIT\n"; +} + +exit $gExitCode; # ES WL#4685: script should return a meaningful exit code + +sub test_init +{ + my ($env)=@_; + + $env->{session_id}=$env->{ip}."_".$env->{thread_id}; + $env->{r_folder}='r'.$env->{thread_id}; + $env->{screen_logs}=File::Spec->catdir($opt_server_logs_dir, $test_dirname, + "screen_logs", $env->{session_id}); + $env->{reject_logs}=File::Spec->catdir($opt_server_logs_dir, $test_dirname, + "reject_logs", $env->{session_id}); + + mkpath($env->{screen_logs}, 0, 0755) unless (-d $env->{screen_logs}); + mkpath($env->{reject_logs}, 0, 0755) unless (-d $env->{reject_logs}); + + $env->{session_log}= File::Spec->catfile($env->{screen_logs}, $env->{session_id}.".log"); +} + +sub test_execute +{ + my $env= shift; + my $test_name= shift; + + my $g_start= ""; + my $g_end= ""; + my $mysqltest_cmd= ""; + my @mysqltest_test_args=(); + my @stderr=(); + + #Get time stamp + $g_start = get_timestamp(); + $env->{errors}={}; + @{$env->{test_status}}=(); + + my $test_file= $test_name.".test"; + my $result_file= $test_name.".result"; + my $reject_file = $test_name.'.reject'; + my $output_file = $env->{session_id}.'_'.$test_name.'_'.$g_start."_".$env->{test_count}.'.txt'; + + my $test_filename = File::Spec->catfile($test_t_path, $test_file); + my $result_filename = File::Spec->catdir($test_r_path, $env->{r_folder}, $result_file); + my $reject_filename = File::Spec->catdir($test_r_path, $env->{r_folder}, $reject_file); + my $output_filename = File::Spec->catfile($env->{screen_logs}, $output_file); + + + push @mysqltest_test_args, "--basedir=$opt_stress_suite_basedir/", + "--tmpdir=$opt_stress_basedir", + "-x $test_filename", + "-R $result_filename", + "2>$output_filename"; + + $cmd= "$opt_mysqltest --no-defaults ".join(" ", @mysqltest_args)." ". + join(" ", @mysqltest_test_args); + + system($cmd); + + $exit_value = $? >> 8; + $signal_num = $? & 127; + $dumped_core = $? & 128; + + my $tid= threads->self->tid; + + if (-s $output_filename > 0) + { + #Read stderr for further analysis + open (STDERR_LOG, $output_filename) or + warn "Can't open file $output_filename"; + @stderr=; + close(STDERR_LOG); + + if ($opt_verbose) + { + $session_debug_file="$opt_stress_basedir/error$tid.txt"; + + stress_log($session_debug_file, + "Something wrong happened during execution of this command line:"); + stress_log($session_debug_file, "MYSQLTEST CMD - $cmd"); + stress_log($session_debug_file, "STDERR:".join("",@stderr)); + + stress_log($session_debug_file, "EXIT STATUS:\n1. EXIT: $exit_value \n". + "2. SIGNAL: $signal_num\n". + "3. CORE: $dumped_core\n"); + } + } + + #If something wrong trying to analyse stderr + if ($exit_value || $signal_num) + { + if (@stderr) + { + foreach my $line (@stderr) + { + #FIXME: we should handle case when for one sub-string/code + # we have several different error messages + # Now for both codes/substrings we assume that + # first found message will represent error + + #Check line for error codes + if (($err_msg, $err_code)= $line=~/failed: ((\d+):.+?$)/) + { + if (!exists($error_codes{$err_code})) + { + # OBN Changing severity level to S4 from S3 as S3 now reserved + # for the case where the error is unknown (for WL#4626/4685 + $severity="S4"; + $err_code=0; + } + else + { + $severity=$error_codes{$err_code}; + } + + if (!exists($env->{errors}->{$severity}->{$err_code})) + { + $env->{errors}->{$severity}->{$err_code}=[0, $err_msg]; + } + $env->{errors}->{$severity}->{$err_code}->[0]++; + $env->{errors}->{$severity}->{total}++; + } + + #Check line for error patterns + foreach $err_string (keys %error_strings) + { + $pattern= quotemeta $err_string; + if ($line =~ /$pattern/i) + { + my $severity= $error_strings{$err_string}; + if (!exists($env->{errors}->{$severity}->{$err_string})) + { + $env->{errors}->{$severity}->{$err_string}=[0, $line]; + } + $env->{errors}->{$severity}->{$err_string}->[0]++; + $env->{errors}->{$severity}->{total}++; + } + } + } + } + else + { + $env->{errors}->{S3}->{'Unknown error'}= + [1,"Unknown error. Nothing was output to STDERR"]; + $env->{errors}->{S3}->{total}=1; + } + } + + # + #FIXME: Here we can perform further analysis of recognized + # error codes + # + + foreach my $severity (sort {$a cmp $b} keys %{$env->{errors}}) + { + my $total=$env->{errors}->{$severity}->{total}; + if ($total) + { + push @{$env->{test_status}}, "Severity $severity: $total"; + $env->{errors}->{total}=+$total; + set_exit_code($severity); + } + } + + #FIXME: Should we take into account $exit_value here? + # Now we assume that all stringified errors(i.e. errors without + # error codes) which are not exist in %error_string structure + # are OK + if (!$env->{errors}->{total}) + { + push @{$env->{test_status}},"No Errors. Test Passed OK"; + } + + log_session_errors($env, $test_file); + + #OBN Removing the case of S1 and abort-on-error as that is now set + # inside the set_exit_code function (for WL#4626/4685) + #if (!$exiting && ($signal_num == 2 || $signal_num == 15 || + # ($opt_abort_on_error && $env->{errors}->{S1} > 0))) + if (!$exiting && ($signal_num == 2 || $signal_num == 15)) + { + #mysqltest was interrupted with INT or TERM signals + #so we assume that we should cancel testing and exit + $exiting=1; + # OBN - Adjusted text to exclude case of S1 and abort-on-error that + # was mentioned (for WL#4626/4685) + print STDERR<{reject_logs}, $reject_filename, $reject_file); + } + + if (-e $output_filename) + { + move_to_logs($env->{screen_logs}, $output_filename, $output_file); + } + +} + +sub test_loop +{ + my %client_env=(); + my $test_name=""; + + # KEY for session identification: IP-THREAD_ID + $client_env{ip} = shift; + $client_env{thread_id} = shift; + + $client_env{mode} = shift; + $client_env{tests_file}=shift; + + $client_env{test_seq_idx}=0; + + #Initialize session variables + test_init(\%client_env); + +LOOP: + + while(!$exiting) + { + if ($opt_check_tests_file) + { + #Check if tests_file was modified and reread it in this case + read_tests_names($client_env{tests_file}, 0); + } + + { + lock($test_counters_lock); + + if (($limits{loop_count} && $limits{loop_count} <= $test_counters{loop_count}*1) || + ($limits{test_count} && $limits{test_count} <= $test_counters{test_count}*1) ) + { + $exiting=1; + next LOOP; + } + } + + #Get random file name + if (($test_name = get_test(\%client_env)) ne '') + { + { + lock($test_counters_lock); + + #Save current counters values + $client_env{loop_count}=$test_counters{loop_count}; + $client_env{test_count}=$test_counters{test_count}; + } + #Run test and analyze results + test_execute(\%client_env, $test_name); + + print "test_loop[".$limits{loop_count}.":". + $limits{test_count}." ". + $client_env{loop_count}.":". + $client_env{test_count}."]:". + " TID ".$client_env{thread_id}. + " test: '$test_name' ". + " Errors: ".join(" ",@{$client_env{test_status}}). + ( $exiting ? " (thread aborting)" : "" )."\n"; + } + + # OBN - At this point we need to wait until the 'wait' time between test + # executions passes (in case it is specifed) passes, hoever we need + # to be able to quit and break out of the test if an 'abort-on-error' + # condition has happend with one of the other children (WL#4685). + # Using solution by ES and replacing the 'sleep' command with a loop + # checking the abort condition every second + + if ( $opt_sleep_time ) { + foreach ( 1..$opt_sleep_time ) { + last if $exiting; + sleep 1; + } + } + } +} + +sub move_to_logs ($$$) +{ + my $path_to_logs = shift; + my $src_file = shift; + my $random_filename = shift; + + my $dst_file = File::Spec->catfile($path_to_logs, $random_filename); + + move ($src_file, $dst_file) or warn<catfile($test_t_path, $test_filename); + + copy($src_file, $dst_file) or die "ERROR: copy_test_files: File cannot be copied. $!"; + } + } +} + +sub copy_result_files () +{ + if (/\.result$/) + { + $src_file = $File::Find::name; + + if ($File::Find::topdir eq $File::Find::dir && $src_file !~ /SCCS/) + { + $result_filename = basename($src_file) ; + $dst_file = File::Spec->catfile($r_folder, $result_filename); + + copy($src_file, $dst_file) or die "ERROR: copy_result_files: File cannot be copied. $!"; + } + } +} + +sub get_timestamp +{ + my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydat,$isdst) = localtime(); + + return sprintf("%04d%02d%02d%02d%02d%02d", $year+1900, $mon+1, $mday, $hour, $min, $sec); +} + +sub read_tests_names +{ + my $tests_file = shift; + my $force_load = shift; + + if ($force_load || ( (stat($tests_file->{filename}))[9] != $tests_file->{mtime}) ) + { + open (TEST, $tests_file->{filename}) || die ("Could not open file <". + $tests_file->{filename}."> $!"); + @{$tests_file->{data}}= grep {!/^[#\r\n]|^$/} map { s/[\r\n]//g; $_ } ; + + close (TEST); + $tests_file->{mtime}=(stat(_))[9]; + } +} + +sub get_random_test +{ + my $envt=shift; + my $tests= $envt->{tests_file}->{data}; + + my $random = int(rand(@{$tests})); + my $test = $tests->[$random]; + + return $test; +} + +sub get_next_test +{ + my $envt=shift; + my $test; + + if (@{$envt->{tests_file}->{data}}) + { + $test=${$envt->{tests_file}->{data}}[$envt->{test_seq_idx}]; + $envt->{test_seq_idx}++; + } + + #If we reach bound of array, reset seq index and increment loop counter + if ($envt->{test_seq_idx} == scalar(@{$envt->{tests_file}->{data}})) + { + $envt->{test_seq_idx}=0; + { + lock($test_counters_lock); + $test_counters{loop_count}++; + } + } + + return $test; +} + +sub get_test +{ + my $envt=shift; + + { + lock($test_counters_lock); + $test_counters{test_count}++; + } + + if ($envt->{mode} eq 'seq') + { + return get_next_test($envt); + } + elsif ($envt->{mode} eq 'random') + { + return get_random_test($envt); + } +} + +sub stress_log +{ + my ($log_file, $line)=@_; + + { + open(SLOG,">>$log_file") or warn "Error during opening log file $log_file"; + print SLOG $line,"\n"; + close(SLOG); + } +} + +sub log_session_errors +{ + my ($env, $test_name) = @_; + my $line=''; + + { + lock ($log_file_lock); + + #header in the beginning of log file + if (!-e $stress_log_file) + { + stress_log($stress_log_file, + "TestID TID Suite TestFileName Found Errors"); + stress_log($stress_log_file, + "======================================================="); + } + + $line=sprintf('%6d %3d %10s %20s %s', $env->{test_count}, threads->self->tid, + $opt_suite, $test_name, + join(",", @{$env->{test_status}})); + + stress_log($stress_log_file, $line); + #stress_log_with_lock($stress_log_file, "\n"); + + if ($opt_log_error_details) + { + foreach $severity (sort {$a cmp $b} keys %{$env->{errors}}) + { + stress_log($stress_log_file, ""); + foreach $error (keys %{$env->{errors}->{$severity}}) + { + if ($error ne 'total') + { + stress_log($stress_log_file, "$severity: Count:". + $env->{errors}->{$severity}->{$error}->[0]. + " Error:". $env->{errors}->{$severity}->{$error}->[1]); + } + } + } + } + } +} + +sub sig_INT_handler +{ + $SIG{INT}= \&sig_INT_handler; + $exiting=1; + print STDERR "$$: Got INT signal-------------------------------------------\n"; + +} + +sub sig_TERM_handler +{ + $SIG{TERM}= \&sig_TERM_handler; + $exiting=1; + print STDERR "$$: Got TERM signal\n"; +} + +sub usage +{ + my $retcode= shift; + print < --stress-suite-basedir= --server-logs-dir= + +--server-host +--server-port +--server-socket +--server-user +--server-password +--server-logs-dir + Directory where all clients session logs will be stored. Usually + this is shared directory associated with server that used + in testing + + Required option. + +--stress-suite-basedir= + Directory that has r/ t/ subfolders with test/result files + which will be used for testing. Also by default we are looking + in this directory for 'stress-tests.txt' file which contains + list of tests. It is possible to specify other location of this + file with --stress-tests-file option. + + Required option. + +--stress-basedir= + Working directory for this test run. This directory will be used + as temporary location for results tracking during testing + + Required option. + +--stress-datadir= + Location of data files used which will be used in testing. + By default we search for these files in /data where dir + is value of --stress-suite-basedir option. + +--stress-init-file[=/path/to/file with tests for initialization of stress db] + Using of this option allows to perform initialization of database + by execution of test files. List of tests will be taken either from + specified file or if it omited from default file 'stress-init.txt' + located in <--stress-suite-basedir/--suite> dir + +--stress-tests-file[=/path/to/file with tests] + Using of this option allows to run stress test itself. Tests for testing + will be taken either from specified file or if it omited from default + file 'stress-tests.txt' located in <--stress-suite-basedir/--suite> dir + +--stress-mode= [random|seq] + There are two possible modes which affect order of selecting tests + from the list: + - in random mode tests will be selected in random order + - in seq mode each thread will execute tests in the loop one by one as + they specified in the list file. + +--sleep-time=