Help Center/ MapReduce Service/ Component Operation Guide (ME-Abu Dhabi Region)/ Using CarbonData (for MRS 3.x or Later)/ CarbonData Access Control
Updated on 2022-02-22 GMT+08:00
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CarbonData Access Control

The following table provides details about Hive ACL permissions required for performing operations on CarbonData tables.

Prerequisites

Parameters listed in Table 5 or Table 6 have been configured.

Hive ACL permissions

Table 1 Hive ACL permissions required for CarbonData table-level operations

Scenario

Required Permission

DESCRIBE TABLE

SELECT (of table)

SELECT

SELECT (of table)

EXPLAIN

SELECT (of table)

CREATE TABLE

CREATE (of database)

CREATE TABLE As SELECT

CREATE (on database), INSERT (on table), RW on data file, and SELECT (on table)

LOAD

INSERT (of table) RW on data file

DROP TABLE

OWNER (of table)

DELETE SEGMENTS

DELETE (of table)

SHOW SEGMENTS

SELECT (of table)

CLEAN FILES

DELETE (of table)

INSERT OVERWRITE / INSERT INTO

INSERT (of table) RW on data file and SELECT (of table)

CREATE INDEX

OWNER (of table)

DROP INDEX

OWNER (of table)

SHOW INDEXES

SELECT (of table)

ALTER TABLE ADD COLUMN

OWNER (of table)

ALTER TABLE DROP COLUMN

OWNER (of table)

ALTER TABLE CHANGE DATATYPE

OWNER (of table)

ALTER TABLE RENAME

OWNER (of table)

ALTER TABLE COMPACTION

INSERT (on table)

FINISH STREAMING

OWNER (of table)

ALTER TABLE SET STREAMING PROPERTIES

OWNER (of table)

ALTER TABLE SET TABLE PROPERTIES

OWNER (of table)

UPDATE CARBON TABLE

UPDATE (of table)

DELETE RECORDS

DELETE (of table)

REFRESH TABLE

OWNER (of main table)

REGISTER INDEX TABLE

OWNER (of table)

SHOW PARTITIONS

SELECT (on table)

ALTER TABLE ADD PARTITION

OWNER (of table)

ALTER TABLE DROP PARTITION

OWNER (of table)
  • If tables in the database are created by multiple users, the Drop database command fails to be executed even if the user who runs the command is the owner of the database.
  • In a secondary index, when the parent table is triggered, insert and compaction are triggered on the index table. If you select a query that has a filter condition that matches index table columns, you should provide selection permissions for the parent table and index table.
  • The LockFiles folder and lock files created in the LockFiles folder will have full permissions, as the LockFiles folder does not contain any sensitive data.
  • If you are using ACL, ensure you do not configure any path for DDL or DML which is being used by other process. You are advised to create new paths.

    Configure the path for the following configuration items:

    1) carbon.badRecords.location

    2) Db_Path and other items during database creation

  • For Carbon ACL in a non-security cluster, hive.server2.enable.doAs in the hive-site.xml file must be set to false. Then the query will run as the user who runs the hiveserver2 process.