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https://github.com/stulzq/Hangfire.MySql.Core
Hangfire Mysql storage components, support for. NET core 1.1,. NET core 2.0,. NET standard 2.0. Based on Hangfire.MySqlStorage, some bugs were fixed and .NET standard 2.0 support was provided.
https://github.com/stulzq/Hangfire.MySql.Core
hangfire hangfire-mysql hangfire-mysql-core mysql
Last synced: 1 day ago
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Hangfire Mysql storage components, support for. NET core 1.1,. NET core 2.0,. NET standard 2.0. Based on Hangfire.MySqlStorage, some bugs were fixed and .NET standard 2.0 support was provided.
- Host: GitHub
- URL: https://github.com/stulzq/Hangfire.MySql.Core
- Owner: stulzq
- License: gpl-2.0
- Archived: true
- Created: 2017-09-04T03:28:12.000Z (about 7 years ago)
- Default Branch: master
- Last Pushed: 2020-07-14T01:00:38.000Z (over 4 years ago)
- Last Synced: 2024-11-04T11:09:33.369Z (10 days ago)
- Topics: hangfire, hangfire-mysql, hangfire-mysql-core, mysql
- Language: C#
- Homepage:
- Size: 416 KB
- Stars: 85
- Watchers: 8
- Forks: 70
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: License.md
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README
This project is no longer maintained, please use https://github.com/arnoldasgudas/Hangfire.MySqlStorage
# Hangfire.MySql.Core Implementation
Hangfire.MySql.Core is based on Hangfire.MySqlStorage(https://github.com/arnoldasgudas/Hangfire.MySqlStorage)
I fix some bug and support .net standard 2.0
[](https://www.nuget.org/packages/Hangfire.MySql.Core/)
MySql storage implementation of [Hangfire](http://hangfire.io/) - fire-and-forget, delayed and recurring tasks runner for .NET. Scalable and reliable background job runner. Supports multiple servers, CPU and I/O intensive, long-running and short-running jobs.
Now, support table prefix
````csharp
services.AddHangfire(x => x.UseStorage(new MySqlStorage(Configuration.GetConnectionString("Hangfire"),new MySqlStorageOptions(){TablePrefix = "Custom"})));
````
## Installation
Install MySQL
Run the following command in the NuGet Package Manager console to install Hangfire.MySql.Core:
```
Install-Package Hangfire.MySql.Core
```
## Usage
Use one the following ways to initialize `MySqlStorage`:
- Create new instance of `MySqlStorage` with connection string constructor parameter and pass it to `Configuration` with `UseStorage` method:
```
GlobalConfiguration.Configuration.UseStorage(
new MySqlStorage(connectionString));
```
- There must be `Allow User Variables` set to `true` in the connection string. For example: `server=127.0.0.1;uid=root;pwd=root;database={0};Allow User Variables=True`
- Alternatively one or more options can be passed as a parameter to `MySqlStorage`:
```
GlobalConfiguration.Configuration.UseStorage(
new MySqlStorage(
connectionString,
new MySqlStorageOptions
{
TransactionIsolationLevel = IsolationLevel.ReadCommitted,
QueuePollInterval = TimeSpan.FromSeconds(15),
JobExpirationCheckInterval = TimeSpan.FromHours(1),
CountersAggregateInterval = TimeSpan.FromMinutes(5),
PrepareSchemaIfNecessary = true,
DashboardJobListLimit = 50000,
TransactionTimeout = TimeSpan.FromMinutes(1),
TablePrefix = "Hangfire"
}));
```
Description of optional parameters:
- `TransactionIsolationLevel` - transaction isolation level. Default is read committed.
- `QueuePollInterval` - job queue polling interval. Default is 15 seconds.
- `JobExpirationCheckInterval` - job expiration check interval (manages expired records). Default is 1 hour.
- `CountersAggregateInterval` - interval to aggregate counter. Default is 5 minutes.
- `PrepareSchemaIfNecessary` - if set to `true`, it creates database tables. Default is `true`.
- `DashboardJobListLimit` - dashboard job list limit. Default is 50000.
- `TransactionTimeout` - transaction timeout. Default is 1 minute.
### How to limit number of open connections
Number of opened connections depends on Hangfire worker count. You can limit worker count by setting `WorkerCount` property value in `BackgroundJobServerOptions`:
```
app.UseHangfireServer(
new BackgroundJobServerOptions
{
WorkerCount = 1
});
```
More info: http://hangfire.io/features.html#concurrency-level-control
## Dashboard
Hangfire provides a dashboard
More info: [Hangfire Overview](http://hangfire.io/overview.html#integrated-monitoring-ui)
## Build
Please use Visual Studio or any other tool of your choice to build the solution
## Test
In order to run unit tests and integrational tests set the following variables in you system environment variables (restart of Visual Studio is required):
`Hangfire_SqlServer_ConnectionStringTemplate` (default: `server=127.0.0.1;uid=root;pwd=root;database={0};Allow User Variables=True`)
`Hangfire_SqlServer_DatabaseName` (default: `Hangfire.MySql.Tests`)