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Posted to issues@ozone.apache.org by "Tsz-wo Sze (Jira)" <ji...@apache.org> on 2026/04/09 18:02:00 UTC

[jira] [Commented] (HDDS-15006) XceiverClientGrpc may create and drop connections without closing it

    [ https://issues.apache.org/jira/browse/HDDS-15006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18072402#comment-18072402 ] 

Tsz-wo Sze commented on HDDS-15006:
-----------------------------------

[~ptlrs], thanks for picking this up!  We probably should create a ChannelInfo inside ConcurrentHashMap.compute(..) without creating a connection.  Then, connect after compute(..) returns.

> XceiverClientGrpc may create and drop connections without closing it
> --------------------------------------------------------------------
>
>                 Key: HDDS-15006
>                 URL: https://issues.apache.org/jira/browse/HDDS-15006
>             Project: Apache Ozone
>          Issue Type: Bug
>          Components: Ozone Client
>            Reporter: Tsz-wo Sze
>            Assignee: Rishabh Patel
>            Priority: Major
>
> In HDDS-14571, it uses ConcurrentHashMap.compute(..) to create connection in XceiverClientGrpc.  However, ConcurrentHashMap.compute(..) can use the remappingFunction to create and drop objects when there is a race condition.  As a result, it may create a connection and then drop it without closing it.



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