mudhorn/n8n
1
0
Fork 0
mirror of https://github.com/n8n-io/n8n.git synced 2024-12-23 11:44:06 -08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

🐛 Fix performance and crashes with latest updates (#1524)

Browse source 
* Removing unnecessary data from process communication

* Wrapping progress save in a try ... catch block to prevent crashes

* Migration to fix mysql problems with big data on executions

* ⚡ Minor formatting fixes

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
This commit is contained in:
Omar Ajoue 2021-03-10 10:50:07 +01:00 committed by GitHub
parent 80dfa75eb5
commit 3d80129a28
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 76 additions and 46 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

98
packages/cli/src/WorkflowExecuteAdditionalData.ts
View file

@ -230,54 +230,64 @@ export function hookFunctionsPreExecute(parentProcessMode?: string): IWorkflowEx
return;
}
const execution = await Db.collections.Execution!.findOne(this.executionId);
try {
const execution = await Db.collections.Execution!.findOne(this.executionId);
if (execution === undefined) {
// Something went badly wrong if this happens.
// This check is here mostly to make typescript happy.
return undefined;
}
const fullExecutionData: IExecutionResponse = ResponseHelper.unflattenExecutionData(execution);
if (execution === undefined) {
// Something went badly wrong if this happens.
// This check is here mostly to make typescript happy.
return undefined;
}
const fullExecutionData: IExecutionResponse = ResponseHelper.unflattenExecutionData(execution);
if (fullExecutionData.finished) {
// We already received ´workflowExecuteAfter´ webhook, so this is just an async call
// that was left behind. We skip saving because the other call should have saved everything
// so this one is safe to ignore
return;
if (fullExecutionData.finished) {
// We already received ´workflowExecuteAfter´ webhook, so this is just an async call
// that was left behind. We skip saving because the other call should have saved everything
// so this one is safe to ignore
return;
}
if (fullExecutionData.data === undefined) {
fullExecutionData.data = {
startData: {
},
resultData: {
runData: {},
},
executionData: {
contextData: {},
nodeExecutionStack: [],
waitingExecution: {},
},
};
}
if (Array.isArray(fullExecutionData.data.resultData.runData[nodeName])) {
// Append data if array exists
fullExecutionData.data.resultData.runData[nodeName].push(data);
} else {
// Initialize array and save data
fullExecutionData.data.resultData.runData[nodeName] = [data];
}
fullExecutionData.data.executionData = executionData.executionData;
// Set last executed node so that it may resume on failure
fullExecutionData.data.resultData.lastNodeExecuted = nodeName;
const flattenedExecutionData = ResponseHelper.flattenExecutionData(fullExecutionData);
await Db.collections.Execution!.update(this.executionId, flattenedExecutionData as IExecutionFlattedDb);
} catch (err) {
// TODO: Improve in the future!
// Errors here might happen because of database access
// For busy machines, we may get "Database is locked" errors.
// We do this to prevent crashes and executions ending in `unknown` state.
console.log(`Failed saving execution progress to database for execution ID ${this.executionId}`, err);
}
if (fullExecutionData.data === undefined) {
fullExecutionData.data = {
startData: {
},
resultData: {
runData: {},
},
executionData: {
contextData: {},
nodeExecutionStack: [],
waitingExecution: {},
},
};
}
if (Array.isArray(fullExecutionData.data.resultData.runData[nodeName])) {
// Append data if array exists
fullExecutionData.data.resultData.runData[nodeName].push(data);
} else {
// Initialize array and save data
fullExecutionData.data.resultData.runData[nodeName] = [data];
}
fullExecutionData.data.executionData = executionData.executionData;
// Set last executed node so that it may resume on failure
fullExecutionData.data.resultData.lastNodeExecuted = nodeName;
const flattenedExecutionData = ResponseHelper.flattenExecutionData(fullExecutionData);
await Db.collections.Execution!.update(this.executionId, flattenedExecutionData as IExecutionFlattedDb);
},
],
};

4
packages/cli/src/WorkflowRunnerProcess.ts
View file

@ -174,8 +174,8 @@ export class WorkflowRunnerProcess {
},
],
nodeExecuteAfter: [
async (nodeName: string, data: ITaskData, executionData: IRunExecutionData): Promise<void> => {
this.sendHookToParentProcess('nodeExecuteAfter', [nodeName, data, executionData]);
async (nodeName: string, data: ITaskData): Promise<void> => {
this.sendHookToParentProcess('nodeExecuteAfter', [nodeName, data]);
},
],
workflowExecuteBefore: [

18
packages/cli/src/databases/mysqldb/migrations/1615306975123-ChangeDataSize.ts Normal file
View file

@ -0,0 +1,18 @@
import { MigrationInterface, QueryRunner } from 'typeorm';
import * as config from '../../../../config';
export class ChangeDataSize1615306975123 implements MigrationInterface {
name = 'ChangeDataSize1615306975123';
async up(queryRunner: QueryRunner): Promise<void> {
const tablePrefix = config.get('database.tablePrefix');
await queryRunner.query('ALTER TABLE `' + tablePrefix + 'execution_entity` MODIFY COLUMN `data` MEDIUMTEXT NOT NULL');
}
async down(queryRunner: QueryRunner): Promise<void> {
const tablePrefix = config.get('database.tablePrefix');
await queryRunner.query('ALTER TABLE `' + tablePrefix + 'execution_entity` MODIFY COLUMN `data` TEXT NOT NULL');
}
}

2
packages/cli/src/databases/mysqldb/migrations/index.ts
View file

@ -3,6 +3,7 @@ import { WebhookModel1592447867632 } from './1592447867632-WebhookModel';
import { CreateIndexStoppedAt1594902918301 } from './1594902918301-CreateIndexStoppedAt';
import { AddWebhookId1611149998770 } from './1611149998770-AddWebhookId';
import { MakeStoppedAtNullable1607431743767 } from './1607431743767-MakeStoppedAtNullable';
import { ChangeDataSize1615306975123 } from './1615306975123-ChangeDataSize';
export const mysqlMigrations = [
InitialMigration1588157391238,
@ -10,4 +11,5 @@ export const mysqlMigrations = [
CreateIndexStoppedAt1594902918301,
AddWebhookId1611149998770,
MakeStoppedAtNullable1607431743767,
ChangeDataSize1615306975123,
];