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Update random.md

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Ginger Collison 2019-10-04 14:23:39 -05:00 committed by GitHub
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@ -4,5 +4,91 @@ When a server goes down, there is a possible anti-pattern called the _Thundering
However, if you want to disable the randomization process, so that servers are always checked in the same order, you can do that in most libraries with a connection options: However, if you want to disable the randomization process, so that servers are always checked in the same order, you can do that in most libraries with a connection options:
!INCLUDE "../../\_examples/reconnect\_no\_random.html" {% tabs %}
{% tab title="Go" %}
```go
servers := []string{"nats://127.0.0.1:1222",
"nats://127.0.0.1:1223",
"nats://127.0.0.1:1224",
}
nc, err := nats.Connect(strings.Join(servers, ","), nats.DontRandomize())
if err != nil {
log.Fatal(err)
}
defer nc.Close()
// Do something with the connection
```
{% endtab %}
{% tab title="Java" %}
```java
Options options = new Options.Builder().
server("nats://demo.nats.io:4222").
noRandomize(). // Disable reconnect shuffle
build();
Connection nc = Nats.connect(options);
// Do something with the connection
nc.close();
```
{% endtab %}
{% tab title="JavaScript" %}
```javascript
let nc = NATS.connect({
noRandomize: false,
servers: ["nats://127.0.0.1:4443",
"nats://demo.nats.io:4222"
]
});
```
{% endtab %}
{% tab title="Python" %}
```python
nc = NATS()
await nc.connect(
servers=[
"nats://demo.nats.io:1222",
"nats://demo.nats.io:1223",
"nats://demo.nats.io:1224"
],
dont_randomize=True,
)
# Do something with the connection
await nc.close()
```
{% endtab %}
{% tab title="Ruby" %}
```ruby
require 'nats/client'
NATS.start(servers: ["nats://127.0.0.1:1222", "nats://127.0.0.1:1223", "nats://127.0.0.1:1224"], dont_randomize_servers: true) do |nc|
# Do something with the connection
# Close the connection
nc.close
end
```
{% endtab %}
{% tab title="TypeScript" %}
```typescript
// will throw an exception if connection fails
let nc = await connect({
noRandomize: false,
servers: ["nats://127.0.0.1:4443",
"nats://demo.nats.io:4222"
]
});
nc.close();
```
{% endtab %}
{% endtabs %}