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https://issues.apache.org/jira/browse/CARBONDATA-4107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ajantha Bhat updated CARBONDATA-4107:
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Fix Version/s: (was: 2.2.0)
2.1.1
> MV Performance and Lock issues
> ------------------------------
>
> Key: CARBONDATA-4107
> URL: https://issues.apache.org/jira/browse/CARBONDATA-4107
> Project: CarbonData
> Issue Type: Bug
> Reporter: Indhumathi Muthu Murugesh
> Priority: Major
> Fix For: 2.1.1
>
> Time Spent: 12h 10m
> Remaining Estimate: 0h
>
> # After MV support multi-tenancy PR, mv system folder is moved to database
> level. Hence, during each operation, insert/Load/IUD/show mv/query, we are
> listing all the databases in the system and collecting mv schemas and
> checking if there is any mv mapped to the table or not. This will degrade
> performance of the query, to collect mv schemas from all databases, even
> though the table has mv or not.
> # When different jvm process call touchMDTFile method, file creation and
> deletion can happen same time. This may fail the operation.
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