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https://issues.apache.org/jira/browse/FLINK-10282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642970#comment-16642970
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ASF GitHub Bot commented on FLINK-10282:
----------------------------------------
tillrohrmann commented on a change in pull request #6786: [FLINK-10282][rest]
Separate REST and Dispatcher RPC thread pools
URL: https://github.com/apache/flink/pull/6786#discussion_r223605351
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/minicluster/MiniCluster.java
##########
@@ -341,7 +343,9 @@ public void start() throws Exception {
RestHandlerConfiguration.fromConfiguration(configuration),
resourceManagerGatewayRetriever,
blobServer.getTransientBlobService(),
- commonRpcService.getExecutor(),
+
WebMonitorEndpoint.createExecutorService(
+
configuration.getInteger(RestOptions.SERVER_NUM_THREADS),
+ "DispatcherRestEndpoint"),
Review comment:
In the `MiniCluster` case, it might be justifiable to use the
`commonRpcService.getExecutor`. In particular, if it is configured to use a
shared rpc service/`useSingleRpcService == true`. For this work, we would need
a `CloseIgnoringExecutorService` which wraps an `Executor` and ignores the
shutdown call. This can also be a follow up.
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> Provide separate thread-pool for REST endpoint
> ----------------------------------------------
>
> Key: FLINK-10282
> URL: https://issues.apache.org/jira/browse/FLINK-10282
> Project: Flink
> Issue Type: Improvement
> Components: Local Runtime, REST
> Affects Versions: 1.5.1, 1.6.0, 1.7.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.0, 1.6.2, 1.5.5
>
>
> The REST endpoints currently share their thread-pools with the RPC system,
> which can cause the Dispatcher to become unresponsive if the REST parts are
> overloaded.
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