[jira] [Updated] (IGNITE-8719) Index left partially built if a node crashes during index create or rebuild

["Sergey Antonov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-8719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Antonov updated IGNITE-8719:
-----------------------------------
    Attachment: IndexRebuildAfterNodeCrashTest.java

> Index left partially built if a node crashes during index create or rebuild
> ---------------------------------------------------------------------------
>
>                 Key: IGNITE-8719
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8719
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Alexey Goncharuk
>            Assignee: Sergey Antonov
>            Priority: Critical
>             Fix For: 2.8
>
>         Attachments: IndexRebuildAfterNodeCrashTest.java, IndexRebuildingTest.java
>
>
> Currently, we do not have any state associated with the index tree. Consider the following scenario:
> 1) Start node, put some data
> 2) start CREATE INDEX operation
> 3) Wait for a checkpoint and stop node before index create finished
> 4) Restart node
> Since the checkpoint finished, the new index tree will be persisted to the disk, but not all data will be present in the index.
> We should somehow store information about initializing index tree and mark it valid only after all data is indexed. The state should be persisted as well.



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