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https://issues.apache.org/jira/browse/HDFS-16080?focusedWorklogId=612354&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-612354
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ASF GitHub Bot logged work on HDFS-16080:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 20/Jun/21 06:24
Start Date: 20/Jun/21 06:24
Worklog Time Spent: 10m
Work Description: virajjasani commented on a change in pull request #3121:
URL: https://github.com/apache/hadoop/pull/3121#discussion_r654884131
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcClient.java
##########
@@ -1129,25 +1129,17 @@ private static boolean isExpectedValue(Object
expectedValue, Object value) {
* Invoke method in all locations and return success if any succeeds.
*
* @param <T> The type of the remote location.
- * @param <R> The type of the remote method return.
* @param locations List of remote locations to call concurrently.
* @param method The remote method and parameters to invoke.
* @return If the call succeeds in any location.
* @throws IOException If any of the calls return an exception.
*/
- public <T extends RemoteLocationContext, R> boolean invokeAll(
+ public <T extends RemoteLocationContext> boolean invokeAll(
final Collection<T> locations, final RemoteMethod method)
- throws IOException {
- boolean anyResult = false;
+ throws IOException {
Map<T, Boolean> results =
invokeConcurrent(locations, method, false, false, Boolean.class);
- for (Boolean value : results.values()) {
- boolean result = value.booleanValue();
- if (result) {
- anyResult = true;
- }
- }
- return anyResult;
+ return results.values().stream().anyMatch(value -> value);
Review comment:
I think your suggestion is good enough to change this. Let me update the
PR.
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Issue Time Tracking
-------------------
Worklog Id: (was: 612354)
Time Spent: 1h (was: 50m)
> RBF: Invoking method in all locations should break the loop after successful
> result
> -----------------------------------------------------------------------------------
>
> Key: HDFS-16080
> URL: https://issues.apache.org/jira/browse/HDFS-16080
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> rename, delete and mkdir used by Router client usually calls multiple
> locations if the path is present in multiple sub-clusters. After invoking
> multiple concurrent proxy calls to multiple clients, we iterate through all
> results and mark anyResult true if at least one of them was successful. We
> should break the loop if one of the proxy call result was successful rather
> than iterating over remaining calls.
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