YARN-11358. [Federation] Add FederationInterceptor#allow-partial-result config.#5056
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We have something similar with RBF. |
slfan1989
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Thanks a lot for your suggestion, I refer to RBF's code, I named this optional parameter |
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@goiri Can you help review this pr? Thank you very much! |
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| // Send the requests in parallel | ||
| CompletionService<R> compSvc = new ExecutorCompletionService<>(this.threadpool); | ||
| CompletionService<Pair<R, Exception>> compSvc = |
| if (response != null) { | ||
| results.put(clusterId, response); | ||
| } | ||
| Exception exception = pair.getRight(); |
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In the API seems to be getValue()?
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| Configuration conf = this.getConf(); | ||
| // Enable strict mode | ||
| conf.setBoolean(YarnConfiguration.ROUTER_INTERCEPTOR_ALLOW_PARTIAL_RESULT_ENABLED, |
| badSC); | ||
| interceptor.setRunning(false); | ||
| } | ||
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@goiri Can you help review this pr again? Thank you very much! |
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| interceptor.setAllowPartialResult(true); | ||
| setupCluster(Arrays.asList(bad2)); | ||
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| LambdaTestUtils.intercept(YarnRuntimeException.class, "RM is stopped", |
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Can we keep the old test and add a new one with the partial enabled?
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Thank you very much for reviewing the code, I will add new unit tests.
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| /** Router Interceptor Allow Partial Result Enable. **/ | ||
| public static final String ROUTER_INTERCEPTOR_ALLOW_PARTIAL_RESULT_ENABLED = | ||
| ROUTER_PREFIX + "interceptor.allow-partial-result.enable"; | ||
| public static final boolean DEFAULT_ROUTER_INTERCEPTOR_ALLOW_PARTIAL_RESULT_ENABLED = true; |
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From the other comments, I think this needs to be false
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| } | ||
| }); | ||
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Thank you very much for helping to review the code, I will fix it.
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@goiri Thank you very much for helping to review the code! |
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JIRA: YARN-11358. [Federation] Add FederationInterceptor#allow-partial-result config.
When we use Federation, we will have multiple sub-clusters, and some interfaces need to call all clusters to get results,
such as getNodes, getNodeToLabels, etc.
Q1 : if the sub-cluster is unavailable when we call the interface, should the interface return the result?
The current code is to return the result. If the result is returned, the result information is inaccurate;
if the result is not returned, it is not user-friendly.
Plan to add a new configuration
yarn.router.interceptor.allow-partial-result.enableIf
true, we will ignore the exception of some subClusters during the calling process, and return result.If
false, if an exception occurs in a subCluster during the calling process, an exception will be thrown directly.