Anonymitaet commented on code in PR #493:
URL: https://github.com/apache/pulsar-site/pull/493#discussion_r1151319990
##########
docs/admin-api-brokers.md:
##########
@@ -87,39 +69,53 @@ Fetch the information of the leader broker, for example,
the service url.
<TabItem value="pulsar-admin">
```shell
-pulsar-admin brokers leader-broker
+pulsar-admin brokers namespaces use \
+ --url localhost:8080
```
Example output:
-```json
-{
- "serviceUrl" : "http://localhost:8080";
-}
+```
+public/default/0x00000000_0x40000000 [broker_assignment=shared
is_controlled=false is_active=true]
+public/default/0xc0000000_0xffffffff [broker_assignment=shared
is_controlled=false is_active=true]
+public/functions/0x40000000_0x80000000 [broker_assignment=shared
is_controlled=false is_active=true]
+public/functions/0x00000000_0x40000000 [broker_assignment=shared
is_controlled=false is_active=true]
+pulsar/standalone/localhost:8080/0x00000000_0xffffffff
[broker_assignment=shared is_controlled=false is_active=true]
+pulsar/localhost:8080/0x00000000_0xffffffff [broker_assignment=shared
is_controlled=false is_active=true]
+public/functions/0x80000000_0xc0000000 [broker_assignment=shared
is_controlled=false is_active=true]
+public/default/0x80000000_0xc0000000 [broker_assignment=shared
is_controlled=false is_active=true]
```
</TabItem>
<TabItem value="REST API">
-{@inject:
endpoint|GET|/admin/v2/brokers/leaderBroker|operation/getLeaderBroker?version=@pulsar:version_number@}
+{@inject:
endpoint|GET|/admin/v2/brokers/:cluster/:broker/ownedNamespaces|operation/getOwnedNamespaes?version=@pulsar:version_number@}
</TabItem>
<TabItem value="Java">
```java
-admin.brokers().getLeaderBroker()
+admin.brokers().getOwnedNamespaces(cluster,brokerUrl);
```
-For the detail of the code above, see
[here](https://github.com/apache/pulsar/blob/master/pulsar-client-admin/src/main/java/org/apache/pulsar/client/admin/internal/BrokersImpl.java#L80)
-
</TabItem>
</Tabs>
````
-#### list of namespaces owned by a given broker
+## Update broker conf
+
+You can update broker configurations using one of the following ways:
-It finds all namespaces which are owned and served by a given broker.
+- Supply
[configurations](https://pulsar.apache.org/reference/#/@pulsar:version_origin@/config/reference-configuration-broker)
when starting up brokers.
+
+- [Update configurations dynamically](#update-broker-conf-dynamically) **when
running brokers**.
+
+ Since all broker configurations in Pulsar are stored in ZooKeeper,
configuration values can also be dynamically updated when brokers are running.
When you update broker configurations dynamically, ZooKeeper will notify the
broker of the change and then the broker will override any existing
configuration values.
+
+### List updatable broker conf
Review Comment:
> Are those heading3 separate sub-features? Why 'list' appears here?
Yes, they are all sub-features, including `list`.
> If a dynamic item is a sub-feature, why a contrary one is absent? It's not
MECE.
Because we do not have the contrary feature.
If you think `Supply configurations when starting up brokers` is the
contrary one, it has been explained previously, and there is no pulsar-admin
command to perform this operation.
> What's the relationship amount the three? Do they all serve the heading2
Update broker conf? After reading the content, I found the list ones serve
Update broker conf dynamically.
They all work for heading2 `update broker conf` because e only have `update
broker dynamically` and do not have the contrary one. So`update broker conf` is
an appropriate heading2 for all 3 operations.
> I don't see this category as a reference since we have a doc set including
overview and get-started topics for it.
Don't be puzzled by the title, location, and doc structure. It looks like a
"concept" or "get started" topic at 1st glance.
But if taking a closer and careful look, you'll find that the docs are
talking about "command references" rather than "what is it" or "how to use it".
So it's a "reference" topic in essence.
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