GitHub user tillrohrmann opened a pull request:
https://github.com/apache/flink/pull/4549
[FLINK-7458] Generalize GatewayRetriever for WebRuntimeMonitor
## What is the purpose of the change
Introduce a generalized GatewayRetriever replacing the JobManagerRetriever.
The
GatewayRetriever fulfills the same purpose as the JobManagerRetriever with
the
ability to retrieve the gateway for an arbitrary endpoint type.
This PR is based on #4527.
## Brief change log
- Added a `LeaderRetriever` which retrieves and stores the current leader
information
- Introduce the generic `GatewayRetriever` to retrieve arbitrary
`RpcGateways`
- `LeaderGatewayRetriever` implements `GatewayRetriever` and extends
`LeaderRetriever` to resolve the leader address into the specified gateway type
- `RpcGatewayRetriever` extends `LeaderGatewayRetriever` for the flip-6
code, `AkkaJobManagerRetriever` does the same for the old code which only needs
to retrieve the `JobManagerGateway`
## Verifying this change
This change added tests and can be verified as follows:
- Added `AkkaJobManagerRetrieverTest` and `RpcGatewayRetrieverTest`
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tillrohrmann/flink
generalizeJobManagerRetriever
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4549.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4549
----
commit 2c0c36244f75de000f884618330bc2f885c91d76
Author: Till Rohrmann <[email protected]>
Date: 2017-08-10T08:56:12Z
[FLINK-7409] [web] Make WebRuntimeMonitor reactive
This commit changes the behaviour of the WebRuntimeMonitor to not longer
block serving
threads by waiting on the result of futures. Instead the RequestHandler now
returns a
CompletableFuture<FullHttpResponse> which is written out to the Netty
channel upon
completion. This will improve the performance of our WebRuntimeMonitor.
commit 01c8666677a24d65b8d75c49696bc8ab9e254d99
Author: Till Rohrmann <[email protected]>
Date: 2017-08-15T10:00:58Z
[FLINK-7458] Generalize GatewayRetriever for WebRuntimeMonitor
Introduce a generalized GatewayRetriever replacing the JobManagerRetriever.
The
GatewayRetriever fulfills the same purpose as the JobManagerRetriever with
the
ability to retrieve the gateway for an arbitrary endpoint type.
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