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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/04/19 11:36:43 UTC
[GitHub] [pulsar] congbobo184 commented on a diff in pull request #15200: [Improve][doc][txn] add brokerDeduplicationEnabled=true to enable transaction deduplication
congbobo184 commented on code in PR #15200:
URL: https://github.com/apache/pulsar/pull/15200#discussion_r852938522
##########
site2/docs/txn-use.md:
##########
@@ -20,21 +20,29 @@ This section provides an example of how to use the transaction API to send and r
2. Enable transaction.
- Change the configuration in the `broker.conf` file.
+ Change the configuration in the `broker.conf` or `standalone.conf` file.
```
+ //mandatory configuration, used to enable transaction coordinator
transactionCoordinatorEnabled=true
+
+ //mandtory configuration, used to create systemTopic used for transaction buffer snapshot
systemTopicEnabled=true
+
```
- If you want to enable batch messages in transactions, follow the steps below.
+ * If you want to enable batch messages in transactions, follow the steps below.
Review Comment:
If you want to ack batch message with transaction should enable acknowledgmentAtBatchIndexLevelEnabled, follow the steps below.
##########
site2/docs/txn-use.md:
##########
@@ -20,21 +20,29 @@ This section provides an example of how to use the transaction API to send and r
2. Enable transaction.
- Change the configuration in the `broker.conf` file.
+ Change the configuration in the `broker.conf` or `standalone.conf` file.
```
+ //mandatory configuration, used to enable transaction coordinator
transactionCoordinatorEnabled=true
+
+ //mandtory configuration, used to create systemTopic used for transaction buffer snapshot
systemTopicEnabled=true
+
```
- If you want to enable batch messages in transactions, follow the steps below.
+ * If you want to enable batch messages in transactions, follow the steps below.
Set `acknowledgmentAtBatchIndexLevelEnabled` to `true` in the `broker.conf` or `standalone.conf` file.
```
acknowledgmentAtBatchIndexLevelEnabled=true
```
+ * [message deduplication](cookbooks-deduplication.md) is a mandatory configuration, if need to guarantee exactly-once semantics.
+ You can enable message deduplication at the broker level, the namespace level, or the topic level according to your needs.
Review Comment:
the namespace level or the topic level according to your needs.
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