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Posted to issues@ratis.apache.org by "Marton Elek (Jira)" <ji...@apache.org> on 2019/10/10 14:41:00 UTC

[jira] [Updated] (RATIS-706) Dead lock in GrpcClientRpc

     [ https://issues.apache.org/jira/browse/RATIS-706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marton Elek updated RATIS-706:
------------------------------
    Attachment: jstack.txt

> Dead lock in GrpcClientRpc
> --------------------------
>
>                 Key: RATIS-706
>                 URL: https://issues.apache.org/jira/browse/RATIS-706
>             Project: Ratis
>          Issue Type: Bug
>          Components: gRPC
>            Reporter: Marton Elek
>            Priority: Major
>         Attachments: jstack.txt
>
>
> I started an Ozone cluster on Kubernetes and started a freon test (ozone freon ockg -n10000)
> After a while I found that the one freon instance is not creating keys any more. I checked the om RPC endpoint with ozone insight and no RPC messages has been arrived.
> Based on the jstack output we have a deadlock between PeerProxyMap.handleException and GrpcClientRpc.sendRequestAsync.
> I am not sure (yet) what is the exact problem, but based on the stack traces It seems to be Ratis related.



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