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[APM] Synthtrace high cardinality scenarios #174746

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Jan 12, 2024
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[APM] Synthtrace high cardinality scenarios #174746

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bbecbdf
[APM] Synthtrace improvements
sorenlouv Jan 12, 2024
a6b9413
Address feedback
sorenlouv Jan 12, 2024
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139 changes: 139 additions & 0 deletions packages/kbn-apm-synthtrace/src/scenarios/helpers/random_names.ts
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/

export const randomGreekishNames = [
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@achyutjhunjhunwala achyutjhunjhunwala Jan 13, 2024 •
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@sqren If i were you, i would have sneaked in my name 😆

'Adonis',
'Agamemnon',
'Ajax',
'Alexander',
'Aphrodite',
'Apollo',
'Ares',
'Aristophanes',
'Artemis',
'Athena',
'Atlas',
'Boreas',
'Calliope',
'Cassandra',
'Clio',
'Daphne',
'Demeter',
'Dionysius',
'Dionysus',
'Eileithyia',
'Electra',
'Eos',
'Erato',
'Erebos',
'Eros',
'Euterpe',
'Gaia',
'Hades',
'Hecate',
'Helios',
'Hephaestus',
'Hera',
'Heracles (Hercules)',
'Hercules',
'Hermes',
'Hestia',
'Hypatia',
'Hypnos',
'Iphigenia',
'Iris',
'Kratos',
'Leonidas',
'Medusa',
'Mnemosyne',
'Morpheus',
'Narcissus',
'Nemesis',
'Nike',
'Notus',
'Nyx',
'Oceanus',
'Odysseus',
'Orpheus',
'Pan',
'Pandora',
'Penelope',
'Pericles',
'Persephone',
'Perseus',
'Phoebe',
'Polyphemus',
'Pontus',
'Poseidon',
'Priam',
'Prometheus',
'Rhea',
'Sappho',
'Selene',
'Terpsichore',
'Tethys',
'Thalia',
'Thanatos',
'Theia',
'Theseus',
'Thetis',
'Triton',
'Tyche',
'Uranus',
'Zephyrus',
'Zeus',
'Augustus',
'Bacchus',
'Brutus',
'Caesar',
'Caligula',
'Caracalla',
'Cassius',
'Cato',
'Cicero',
'Cleopatra',
'Commodus',
'Constantine',
'Diana',
'Domitian',
'Hadrian',
'Horace',
'Julius',
'Juno',
'Jupiter',
'Livy',
'Marcus Aurelius',
'Mars',
'Mercury',
'Minerva',
'Neptune',
'Nero',
'Octavian',
'Ovid',
'Pliny',
'Pluto',
'Pompey',
'Remus',
'Romulus',
'Saturn',
'Scipio',
'Seneca',
'Spartacus',
'Theodosius',
'Tiberius',
'Titus',
'Trajan',
'Venus',
'Vespasian',
'Vesta',
'Virgil',
];

export function getRandomNameForIndex(index: number) {
return randomGreekishNames[index % randomGreekishNames.length];
}
53 changes: 53 additions & 0 deletions packages/kbn-apm-synthtrace/src/scenarios/many_errors.ts
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
import { ApmFields, apm } from '@kbn/apm-synthtrace-client';
import { Scenario } from '../cli/scenario';
import { getSynthtraceEnvironment } from '../lib/utils/get_synthtrace_environment';
import { withClient } from '../lib/utils/with_client';
import { getRandomNameForIndex } from './helpers/random_names';

const ENVIRONMENT = getSynthtraceEnvironment(__filename);

const scenario: Scenario<ApmFields> = async (runOptions) => {
const { logger } = runOptions;

const severities = ['critical', 'error', 'warning', 'info', 'debug', 'trace'];

return {
generate: ({ range, clients: { apmEsClient } }) => {
const transactionName = 'DELETE /api/orders/{id}';

const instance = apm
.service({ name: `synth-node`, environment: ENVIRONMENT, agentName: 'nodejs' })
.instance('instance');

const failedTraceEvents = range
.interval('1m')
.rate(2000)
.generator((timestamp, index) => {
const severity = severities[index % severities.length];
const errorMessage = `${severity}: ${getRandomNameForIndex(index)} ${index}`;
return instance
.transaction({ transactionName })
.timestamp(timestamp)
.duration(1000)
.failure()
.errors(
instance.error({ message: errorMessage, type: 'My Type' }).timestamp(timestamp + 50)
);
});

return withClient(
apmEsClient,
logger.perf('generating_apm_events', () => failedTraceEvents)
);
},
};
};

export default scenario;
90 changes: 90 additions & 0 deletions packages/kbn-apm-synthtrace/src/scenarios/many_instances.ts
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/

import { ApmFields, apm, Instance } from '@kbn/apm-synthtrace-client';
import { random, times } from 'lodash';
import { Scenario } from '../cli/scenario';
import { getSynthtraceEnvironment } from '../lib/utils/get_synthtrace_environment';
import { withClient } from '../lib/utils/with_client';
import { getRandomNameForIndex } from './helpers/random_names';

const ENVIRONMENT = getSynthtraceEnvironment(__filename);

const scenario: Scenario<ApmFields> = async ({ logger, scenarioOpts = { instances: 2000 } }) => {
const numInstances = scenarioOpts.instances;
const agentVersions = ['2.1.0', '2.0.0', '1.15.0', '1.14.0', '1.13.1'];
const language = 'go';
const serviceName = 'synth-many-instances';
const transactionName = 'GET /order/{id}';

return {
generate: ({ range, clients: { apmEsClient } }) => {
const instances = times(numInstances).map((index) => {
const agentVersion = agentVersions[index % agentVersions.length];
const randomName = getRandomNameForIndex(index);
return apm
.service({
name: serviceName,
environment: ENVIRONMENT,
agentName: language,
})
.instance(`instance-${randomName}-${index}`)
.defaults({ 'agent.version': agentVersion, 'service.language.name': language });
});

const instanceSpans = (instance: Instance) => {
const hasHighDuration = Math.random() > 0.5;
const throughput = random(1, 10);

const traces = range.ratePerMinute(throughput).generator((timestamp) => {
const parentDuration = hasHighDuration ? random(1000, 5000) : random(100, 1000);
const generateError = random(1, 4) % 3 === 0;
const span = instance
.transaction({ transactionName })
.timestamp(timestamp)
.duration(parentDuration);

return !generateError
? span.success()
: span
.failure()
.errors(
instance
.error({ message: `No handler for ${transactionName}` })
.timestamp(timestamp + 50)
);
});

const cpuPct = random(0, 1);
const memoryFree = random(0, 1000);
const metricsets = range
.interval('30s')
.rate(1)
.generator((timestamp) =>
instance
.appMetrics({
'system.memory.actual.free': memoryFree,
'system.memory.total': 1000,
'system.cpu.total.norm.pct': cpuPct,
'system.process.cpu.total.norm.pct': 0.7,
})
.timestamp(timestamp)
);

return [traces, metricsets];
};

return withClient(
apmEsClient,
logger.perf('generating_apm_events', () => instances.flatMap(instanceSpans))
);
},
};
};

export default scenario;
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