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updates based on RI changes to README

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Ginger Collison 2021-02-05 15:12:28 -06:00 committed by GitHub
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jetstream/model_deep_dive/model_deep_dive.md
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@ -30,16 +30,16 @@ The `WorkQueuePolicy` mode is a specialized mode where a message, once consumed
### Message Deduplication
JetStream support idempotent message writes by ignoring duplicate messages as indicated by the `Msg-Id` header.
JetStream support idempotent message writes by ignoring duplicate messages as indicated by the `Nats-Msg-Id` header.
```nohighlight
% nats req -H Msg-Id:1 ORDERS.new hello1
% nats req -H Msg-Id:1 ORDERS.new hello2
% nats req -H Msg-Id:1 ORDERS.new hello3
% nats req -H Msg-Id:1 ORDERS.new hello4
% nats req -H Nats-Msg-Id:1 ORDERS.new hello1
% nats req -H Nats-Msg-Id:1 ORDERS.new hello2
% nats req -H Nats-Msg-Id:1 ORDERS.new hello3
% nats req -H Nats-Msg-Id:1 ORDERS.new hello4
```
Here we set a `Msg-Id:1` header which tells JetStream to ensure we do not have duplicates of this message - we only consult the message ID not the body.
Here we set a `Nats-Msg-Id:1` header which tells JetStream to ensure we do not have duplicates of this message - we only consult the message ID not the body.
```nohighlight
$ nats str info ORDERS