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https://issues.apache.org/jira/browse/HDFS-16597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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fanshilun resolved HDFS-16597.
------------------------------
Resolution: Fixed
> RBF: Improve RouterRpcServer#reload With Lambda
> -----------------------------------------------
>
> Key: HDFS-16597
> URL: https://issues.apache.org/jira/browse/HDFS-16597
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Affects Versions: 3.4.0
> Reporter: fanshilun
> Assignee: fanshilun
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> When reading the code, I found that RouterRpcServer#reload uses the following
> method to submit threads
> RouterRpcServer#reload
> {code:java}
> public ListenableFuture<DatanodeInfo[]> reload(
> final DatanodeReportType type, DatanodeInfo[] oldValue)
> throws Exception {
> return executorService.submit(new Callable<DatanodeInfo[]>() {
> @Override
> public DatanodeInfo[] call() throws Exception {
> return load(type);
> }
> });
> } {code}
> This place is better to use lambda way
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