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Posted to issues@ignite.apache.org by "Dmitry Sherstobitov (Jira)" <ji...@apache.org> on 2021/08/16 10:15:00 UTC

[jira] [Updated] (IGNITE-15317) Simple Jepsen Elle test failed for Java Thin Client

     [ https://issues.apache.org/jira/browse/IGNITE-15317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitry Sherstobitov updated IGNITE-15317:
-----------------------------------------
    Component/s: thin client

> Simple Jepsen Elle test failed for Java Thin Client
> ---------------------------------------------------
>
>                 Key: IGNITE-15317
>                 URL: https://issues.apache.org/jira/browse/IGNITE-15317
>             Project: Ignite
>          Issue Type: Bug
>          Components: thin client
>            Reporter: Dmitry Sherstobitov
>            Priority: Critical
>
> I've created simple jepsen elle test with for basic functionality cache.get/put. There is 2 versions of clients: one for thick client and other for thin client. Invoke code is exactly the same.
> Test passed for thick client and failed for thin client. Note that this issue is reproducible even with noop nemesis algorithm. 
> GitHub repo with jepsen code: https://github.com/qvad/jepsen (see ignite folder there, there is also small guide how to launch hyper-v VM and run test there)
> Elle reports following anomalies (:anomaly-types (:G1a :G1b :internal)), which is aborted reads and intermediate reads.
> Anomalies description: https://sitano.github.io/theory/databases/2019/07/30/tx-isolation-anomalies/



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