Hari Sekhon created HIVE-9637:
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Summary: Hive Snapshots - Metadata recovery (tightly coupled with
HDFS data recovery)
Key: HIVE-9637
URL: https://issues.apache.org/jira/browse/HIVE-9637
Project: Hive
Issue Type: New Feature
Components: Database/Schema, SQL
Affects Versions: 0.14.0
Environment: HDP 2.2
Reporter: Hari Sekhon
Feature request to add Hive HQL Snapshots against tables / databases that save
the Hive metadata, analagous to HDFS snapshots for storage.
Currently HDFS snapshots do not address the loss of Hive Metadata if a Hive
user were to drop a table - it would need to be re-entered manually from HQL
scripts as well as HDFS snapshot data restored.
Hive Snapshots should ideally be tied together with HDFS snapshots so a single
HQL command would trigger a simulatenous snapshot of the table HDFS data and
Hive Metadata
These snapshots should be visible from Hive shell and able to restore both HDFS
data and Hive Metadata in a single Hive command also.
Regards,
Hari Sekhon
http://www.linkedin.com/in/harisekhon
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