anishek created HIVE-16859:
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Summary: CM uri encoding
Key: HIVE-16859
URL: https://issues.apache.org/jira/browse/HIVE-16859
Project: Hive
Issue Type: Bug
Components: HiveServer2
Affects Versions: 3.0.0
Reporter: anishek
Assignee: anishek
Currently for hive replication, the cm root uri is configured via
"hive.repl.cmrootdir". This configuration needs to have the same value on both
the primary and replica hive warehouse.
CM uri should be encoded such that the cm root of the source should be part of
the URI itself. so the cmfs uri's should be following
{code
}cmfs:hdfs://[authority]/[actual_location]#[checksum_of_file]_[encoded_cm_root_on_primary]
{code}
so that we can detect what is the root location of the source cm root at any
target replica warehouse. Since the filesystem configurations can be different
for the primary and replica warehouse there might be additional configurations
will be required to create {{FileSystem}} objects to talk to respective
filesystems. if we want to support that we can add an additional configuration
stating the primary cm root location on the replica warehouse along with other
fs related configurations and in that case this bug might be irrelevant.
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