1
0
Fork 0
arangodb/js/server/tests/stress/killingQueries.js

608 lines
12 KiB
JavaScript

/* jshint strict: false, sub: true */
/* global print */
'use strict';
// //////////////////////////////////////////////////////////////////////////////
// / DISCLAIMER
// /
// / Copyright 2016 ArangoDB GmbH, Cologne, Germany
// /
// / Licensed under the Apache License, Version 2.0 (the "License")
// / you may not use this file except in compliance with the License.
// / You may obtain a copy of the License at
// /
// / http://www.apache.org/licenses/LICENSE-2.0
// /
// / Unless required by applicable law or agreed to in writing, software
// / distributed under the License is distributed on an "AS IS" BASIS,
// / WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// / See the License for the specific language governing permissions and
// / limitations under the License.
// /
// / Copyright holder is ArangoDB GmbH, Cologne, Germany
// /
// / @author Dr. Frank Celler
// //////////////////////////////////////////////////////////////////////////////
const internal = require('internal');
const fs = require('fs');
const tasks = require('org/arangodb/tasks');
const _ = require('lodash');
const executeExternalAndWait = require('internal').executeExternalAndWait;
const db = internal.db;
const sleep = internal.sleep;
const optsDefault = {
duration: 60, // in minutes
gnuplot: false,
results: 'results',
runId: 'run'
};
// //////////////////////////////////////////////////////////////////////////////
// / @brief create image using gnuplot
// //////////////////////////////////////////////////////////////////////////////
function gnuplot () {
executeExternalAndWait('gnuplot', 'out/kills.plot');
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief statistics generator
// //////////////////////////////////////////////////////////////////////////////
let statisticsInitialized = false;
const killsLog = fs.join('out', 'kills.csv');
const types = ['inserter', 'updater', 'remover', 'killer'];
function statistics (opts) {
if (!statisticsInitialized) {
fs.makeDirectoryRecursive('out');
fs.write(killsLog, '# ' + types.join('\t') + '\n');
statisticsInitialized = true;
}
const results = opts.results;
let runtime = Math.round(((new Date()) - opts.startTime) / 1000);
let line = [runtime];
for (let i = 0; i < types.length; ++i) {
const s = db._query(
`
FOR u IN @@results
FILTER u.type == @type
RETURN u.statistics
`, {
'@results': results,
'type': types[i]
}).toArray()[0];
if (s !== undefined) {
line.push(s.count);
line.push(s.success);
line.push(s.failures);
} else {
line.push(0);
line.push(0);
line.push(0);
}
}
fs.append(killsLog, line.join('\t') + '\n');
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief INSERTER
// //////////////////////////////////////////////////////////////////////////////
exports.inserter = function (opts) {
const runId = opts.runId;
const duration = opts.duration;
const start = Date.now();
const end = start + 1000 * 60 * duration;
const results = opts.results;
const r = db._collection(results);
try {
r.remove(runId);
} catch (err) {}
r.save({
_key: runId,
started: true,
finished: false,
startDate: start,
endDate: end,
type: 'inserter',
statistics: {
count: 0,
success: 0,
failures: 0
}
});
let count = 0;
let success = 0;
let failures = 0;
let lastErr = '';
while (true) {
++count;
if (count % 1000 === 0) {
r.update(runId, {
statistics: {
count: count,
success: success,
failures: failures
},
lastError: lastErr
});
}
let c = Math.floor(Math.random() * 8) + 2;
let q = `
FOR doc IN 1..@c
INSERT {
_from: CONCAT("posts/test", doc),
_to: CONCAT("posts/test", @c),
value: doc
}
IN edges`;
try {
db._query({
query: q,
bindVars: {
c}
});
++success;
} catch (err) {
if (err.errorNum !== 1500) {
lastErr = String(err);
print(err);
++failures;
}
}
if (Date.now() > end) {
break;
}
}
r.update(runId, {
finished: true,
statistics: {
count: count,
success: success,
failures: failures
}
});
};
// //////////////////////////////////////////////////////////////////////////////
// / @brief UPDATER
// //////////////////////////////////////////////////////////////////////////////
exports.updater = function (opts) {
const runId = opts.runId;
const duration = opts.duration;
const start = Date.now();
const end = start + 1000 * 60 * duration;
const results = opts.results;
const r = db._collection(results);
try {
r.remove(runId);
} catch (err) {}
r.save({
_key: runId,
started: true,
finished: false,
startDate: start,
endDate: end,
type: 'updater',
statistics: {
count: 0,
success: 0,
failures: 0
}
});
let count = 0;
let success = 0;
let failures = 0;
let lastErr = '';
while (true) {
++count;
if (count % 1000 === 0) {
r.update(runId, {
statistics: {
count: count,
success: success,
failures: failures
}
});
}
let c = Math.floor(Math.random() * 8) + 2;
let q = `
FOR doc IN edges
SORT RAND()
LIMIT @c
UPDATE doc WITH { value: doc.value + 1 }
IN edges`;
try {
db._query({
query: q,
bindVars: {
c}
});
success++;
} catch (err) {
if (err.errorNum !== 1500) {
lastErr = String(err);
print(err);
++failures;
}
}
if (Date.now() > end) {
break;
}
}
r.update(runId, {
finished: true,
statistics: {
count: count,
success: success,
failures: failures
}
});
};
// //////////////////////////////////////////////////////////////////////////////
// / @brief REOMVER
// //////////////////////////////////////////////////////////////////////////////
exports.remover = function (opts) {
const runId = opts.runId;
const duration = opts.duration;
const start = Date.now();
const end = start + 1000 * 60 * duration;
const results = opts.results;
const r = db._collection(results);
try {
r.remove(runId);
} catch (err) {}
r.save({
_key: runId,
started: true,
finished: false,
startDate: start,
endDate: end,
type: 'remover',
statistics: {
count: 0,
success: 0,
failures: 0
}
});
let count = 0;
let success = 0;
let failures = 0;
let lastErr = '';
while (true) {
++count;
if (count % 1000 === 0) {
r.update(runId, {
statistics: {
count: count,
success: success,
failures: failures
}
});
}
let c = Math.floor(Math.random() * 8) + 2;
let q = `
FOR doc IN edges
SORT RAND()
LIMIT @c
REMOVE doc._key
IN edges`;
try {
db._query({
query: q,
bindVars: {
c}
});
success++;
} catch (err) {
if (err.errorNum !== 1500) {
lastErr = String(err);
print(err);
++failures;
}
}
if (Date.now() > end) {
break;
}
}
r.update(runId, {
finished: true,
statistics: {
count: count,
success: success,
failures: failures
}
});
};
// //////////////////////////////////////////////////////////////////////////////
// / @brief KILLER
// //////////////////////////////////////////////////////////////////////////////
exports.killer = function (opts) {
const runId = opts.runId;
const duration = opts.duration;
const start = Date.now();
const end = start + 1000 * 60 * duration;
const results = opts.results;
const r = db._collection(results);
try {
r.remove(runId);
} catch (err) {}
r.save({
_key: runId,
started: true,
finished: false,
startDate: start,
endDate: end,
type: 'killer',
statistics: {
count: 0,
success: 0,
failures: 0
}
});
let count = 0;
let success = 0;
let failures = 0;
let lastErr = '';
const queries = require('org/arangodb/aql/queries');
while (true) {
++count;
if (count % 100 === 0) {
r.update(runId, {
statistics: {
count: count,
success: success,
failures: failures
}
});
}
queries.current().forEach(function (q) {
if (q.query.indexOf('edges') !== -1) {
try {
queries.kill(q.id);
success++;
} catch (err) {
if (err.errorNum !== 1591) {
lastErr = String(err);
print(err);
}
++failures;
}
}
});
if (Date.now() > end) {
break;
}
internal.wait(Math.random() * 0.1, false);
}
r.update(runId, {
finished: true,
statistics: {
count: count,
success: success,
failures: failures
}
});
};
// //////////////////////////////////////////////////////////////////////////////
// / @brief killing
// //////////////////////////////////////////////////////////////////////////////
exports.killingParallel = function (opts) {
_.defaults(opts, optsDefault);
// start time
opts.startTime = new Date();
// create the test collections
db._drop('edges');
db._createEdgeCollection('edges');
db._drop('posts');
db._create('posts');
// create the "results" collection
const results = opts.results;
db._drop(results);
db._create(results);
// create output directory
fs.makeDirectoryRecursive('out');
// start worker
const w = [
function (params) {
require('./js/server/tests/stress/killingQueries').inserter(params);
},
function (params) {
require('./js/server/tests/stress/killingQueries').updater(params);
},
function (params) {
require('./js/server/tests/stress/killingQueries').remover(params);
},
function (params) {
require('./js/server/tests/stress/killingQueries').killer(params);
}
];
for (let i = 0; i < w.length; ++i) {
const cmd = w[i];
let o = JSON.parse(JSON.stringify(opts));
o.runId = 'run_' + i;
tasks.register({
id: 'stress' + i,
name: 'stress test ' + i,
offset: i,
params: o,
command: cmd
});
}
// wait for a result
const countDone = function () {
const a = db._query('FOR u IN @@results FILTER u.finished RETURN 1', {
'@results': 'results'
});
const b = db._query('FOR u IN @@results FILTER u.started RETURN 1', {
'@results': 'results'
});
return a.count() === b.count();
};
let m = 0;
for (let i = 0; i < 10; ++i) {
m = db._query('FOR u IN @@results FILTER u.started RETURN 1', {
'@results': 'results'
}).count();
print(m + ' workers are up and running');
if (m === w.length) {
break;
}
sleep(30);
}
if (m < w.length) {
print('cannot start enough workers (want', w.length + ',', 'got', m + '),',
'please check number V8 contexts');
throw new Error('cannot start workers');
}
if (opts.gnuplot) {
fs.write(fs.join('out', 'kills.plot'),
`
set terminal png size 1024,1024
set size ratio 0.3
set output "out/kills.png"
set multiplot layout 4, 1 title "Killing Queries Stress Test" font ",14"
set autoscale
set logscale y
set key outside
set xlabel "runtime in seconds"
set ylabel "inserter"
plot \
"out/kills.csv" using 1:2 title "count" with lines lw 2, \
'' using 1:3 title "success" with lines, \
'' using 1:4 title "failures" with lines
set ylabel "updater"
plot \
"out/kills.csv" using 1:5 title "count" with lines lw 2, \
'' using 1:6 title "success" with lines, \
'' using 1:7 title "failures" with lines
set ylabel "remover"
plot \
"out/kills.csv" using 1:8 title "count" with lines lw 2, \
'' using 1:9 title "success" with lines, \
'' using 1:10 title "failures" with lines
set ylabel "killer"
plot \
"out/kills.csv" using 1:11 title "count" with lines lw 2, \
'' using 1:12 title "success" with lines, \
'' using 1:13 title "failures" with lines
`);
}
let count = 0;
while (!countDone()) {
++count;
statistics(opts);
if (opts.gnuplot && count % 6 === 0) {
print('generating image');
gnuplot();
}
sleep(10);
}
statistics(opts);
if (opts.gnuplot) {
gnuplot();
}
return true;
};