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Posted to issues@hbase.apache.org by "Enis Soztutar (JIRA)" <ji...@apache.org> on 2017/07/20 02:53:01 UTC
[jira] [Commented] (HBASE-18204) [C++] Rpc connection close and
reconnecting
[ https://issues.apache.org/jira/browse/HBASE-18204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16094107#comment-16094107 ]
Enis Soztutar commented on HBASE-18204:
---------------------------------------
Let me repurpose this jira to handle the TCP reconnection as well. When the server that we used to have a connection dies and comes back, we have to handle two things:
- Clean up all the outgoing RPCs, and set them with exceptions so that the upper layer can retry.
- If the server comes back online, we should be able to reconnect to the server by re-creating the pipeline.
> [C++] Rpc connection close and reconnecting
> -------------------------------------------
>
> Key: HBASE-18204
> URL: https://issues.apache.org/jira/browse/HBASE-18204
> Project: HBase
> Issue Type: Sub-task
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Attachments: hbase-18204_v1.patch
>
>
> Our client-dispatcher maintains a map of outgoing RPCs per server with the promises.
> In case the server goes down, or TCP connection is closed, we should complete the outgoing RPCs with exceptions so that higher level waiters can unblock and retry.
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