June 2018
Beginner to intermediate
210 pages
5h 12m
English
Content preview from Apache Hive Essentials - Second Edition
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Storage-based mode
The storage-based authorization mode (since Hive v0.10.0) relies on the authorization provided by the storage-layer HDFS, which provides both POSIX and ACL permissions (available since Hive v0.14.0; refer to https://issues.apache.org/jira/browse/HIVE-7583). Storage-based authorization is enabled in the metastore server; it has a single consistent view of metadata across other applications in the ecosystem. This mode checks user permissions against the POSIX permissions on the corresponding file directories in HDFS. In addition to the POSIX permissions model, HDFS also provides access-control lists described in ACLs on HDFS at http://hadoop.apache.org/docs/r2.4.0/hadoop-project-dist/hadoop-hdfs/HdfsPermissionsGuide.html#ACLs_Access_Control_Lists ...
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