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https://issues.apache.org/jira/browse/TAJO-337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14354113#comment-14354113
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YeonSu Han commented on TAJO-337:
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Good.
I eagerly anticipate the doc.
Thank you :)
-- Yeon-su Han / [email protected] Gruter, Inc., R&D Team
www.gruter.com Enjoy Connecting
> Generic StorageManager to provide common storage methods
> --------------------------------------------------------
>
> Key: TAJO-337
> URL: https://issues.apache.org/jira/browse/TAJO-337
> Project: Tajo
> Issue Type: Improvement
> Components: catalog, storage
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
>
> Currently, Tajo uses HDFS as a primary storage. But, as a data warehouse
> system, Tajo should easily support various data sources.
> For this, I propose a generic storage handler interface that provides common
> storage methods as follows:
> * splitting input data
> * locality
> * accessing catalog (if providing)
> * creating a table
> * removing a table
> * adding default table properties and validating properties
> * committing, rollback, and clean up output tables
> * getting table physical information like table volumes and others
> * managing connection pool for connection-based storages
> * adding storage-specified rewrite rules
> * adding hooks for query phases
> * physical properties like instant random access, indexible, read throughput,
> and write throughput
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