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From "Kirill Tkalenko (Jira)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-8719) Index left partially built if a node crashes during index create or rebuild
Date Tue, 01 Jun 2021 06:23:00 GMT

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

Kirill Tkalenko updated IGNITE-8719:
------------------------------------
    Reviewer: Yury Gerzhedovich  (was: Stanilovsky Evgeny)

> 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
>          Components: sql
>            Reporter: Alexey Goncharuk
>            Assignee: Kirill Tkalenko
>            Priority: Critical
>             Fix For: 2.11
>
>         Attachments: IndexRebuildAfterNodeCrashTest.java, IndexRebuildingTest.java
>
>          Time Spent: 4h 10m
>  Remaining Estimate: 0h
>
> 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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