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Posted to hdfs-issues@hadoop.apache.org by "Jian Zhang (Jira)" <ji...@apache.org> on 2024/07/09 09:07:00 UTC
[jira] [Updated] (HDFS-17544) [ARR] The router client rpc protocol PB supports asynchrony.
[ https://issues.apache.org/jira/browse/HDFS-17544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jian Zhang updated HDFS-17544:
------------------------------
Summary: [ARR] The router client rpc protocol PB supports asynchrony. (was: [ARR] The router client rpc protocol supports asynchrony.)
> [ARR] The router client rpc protocol PB supports asynchrony.
> ------------------------------------------------------------
>
> Key: HDFS-17544
> URL: https://issues.apache.org/jira/browse/HDFS-17544
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jian Zhang
> Assignee: Jian Zhang
> Priority: Major
> Labels: pull-request-available
>
> *Describe*
> In order not to affect other modules, when implementing router asynchronous client rpc protocolPB, it mainly extends the original protocolPB; The implemented protocolPB is as follows:
> *RouterClientProtocolTranslatorPB* extends ClientNamenodeProtocolTranslatorPB
> *RouterGetUserMappingsProtocolTranslatorPB* extends GetUserMappingsProtocolClientSideTranslatorPB
> *RouterNamenodeProtocolTranslatorPB* extends NamenodeProtocolTranslatorPB
> *RouterRefreshUserMappingsProtocolTranslatorPB* extends RefreshUserMappingsProtocolClientSideTranslatorPB
> Then let the router's *ConnectionPool* use the aforementioned protocolPB
> In the implementation of asynchronous Rpc.client, the main methods used include HADOOP-13226, HDFS-10224, etc
> {*}AsyncRpcProtocolPBUtil{*}: Make the implementation of asynchronous rpc protocol more concise and clear.
>
> *Test*
> new UTs:
> 1.TestAsyncRpcProtocolPBUtil
> 2.TestRouterClientSideTranslatorPB
>
> {*}Note{*}: For a discussion on the AsyncUtil introduced by this PR, please refer to it HDFS-17543 This PR requires the use of this tool; Please ignore the modification of RouterRpcClient, just for the convenience of testing the asynchronous client mentioned above. This pull request is a follow-up to HDFS-17552, and thus depends on the code from HDFS-17552. Before HDFS-17552 is merged, you can refer to this pull request to understand how to use the asynchronous IPC client in HDFS-17552.
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