Get cluster health from v1/info #264
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ebyhr
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Feb 24, 2024
...-ha/src/main/java/io/trino/gateway/ha/clustermonitor/ClusterStatsCoordinatorInfoMonitor.java
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Can we deprecate UI API based monitoring? |
I think ultimately yes .. we still have to chat to the upstream Trino project itself about maybe having a better REST endpoint for cluster health / readiness with info such as attached worker number. I still have to even initiate that discussion |
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ebyhr
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Feb 27, 2024
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andythsu
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Feb 28, 2024
| @@ -97,6 +97,22 @@ | |||
| </exclusions> | |||
| </dependency> | |||
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| <dependency> | |||
| <groupId>io.airlift</groupId> | |||
| <artifactId>http-client</artifactId> | |||
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are we potentially removing OkHttp to use this in the future? Or we will keep both in the repo?
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I think we should be able to eliminate the runtime dependency on OkHttp. It is used in several tests, but the gateway itself only uses it in ClusterStatsApiMonitor. We can probably switch over for tests too, just a bit more work.
ebyhr
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Feb 29, 2024
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Just quick note.. this is definitely the right approach .. we might have it even more useful from the Trino side soon. |
Chaho12
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This adds a lightweight health check against the coordinator's
v1/info. A cluster is set to healthy as long as the coordinator returns a 200 response and is not in the process of starting.v1/infodoes not require authentication, which addresses the concerns raised in