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From "Alexey Goncharuk (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-8719) Index left partially built if a node crashes during index create or rebuild
Date Wed, 06 Jun 2018 09:47:00 GMT

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

Alexey Goncharuk updated IGNITE-8719:
-------------------------------------
    Description: 
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.

> 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: Improvement
>            Reporter: Alexey Goncharuk
>            Priority: Critical
>             Fix For: 2.6
>
>
> 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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