FrankChen021 commented on code in PR #18613:
URL: https://github.com/apache/druid/pull/18613#discussion_r2425111187
##########
docs/querying/sql-metadata-tables.md:
##########
@@ -237,6 +237,9 @@ Servers table lists all discovered servers in the cluster.
|is_leader|BIGINT|1 if the server is currently the 'leader' (for services
which have the concept of leadership), otherwise 0 if the server is not the
leader, or null if the server type does not have the concept of leadership|
|start_time|STRING|Timestamp in ISO8601 format when the server was announced
in the cluster|
|version|VARCHAR|Druid version running on the server|
+|available_processors|BIGINT|Total number of processors available to the
server|
Review Comment:
```suggestion
|available_processors|BIGINT|Total number of CPU processors available to the
server|
```
##########
server/src/main/java/org/apache/druid/discovery/DiscoveryDruidNode.java:
##########
@@ -96,6 +120,8 @@ private static DiscoveryDruidNode fromJson(
@JsonProperty("nodeType") NodeRole nodeRole,
@JsonProperty("services") Map<String, StringObjectPairList> rawServices,
@JsonProperty("startTime") DateTime startTime,
+ @JsonProperty("availableProcessors") Integer availableProcessors,
Review Comment:
if the `availableProcessors` is NULL, how is it processed? will it result in
some problems at web-console side?
the null case may happens during upgrade, like coordinator/overlord are
generally updated after brokers.
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