Elk introduction

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Elk is an SQL computing engine based on HD or HDFS. MPP is a parallel analytic database based on local disks.

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Differences between Elk and MPP
Elk is an SQL computing engine based on HD or HDFS. MPP is a parallel analytic database based on local disks.

Method used to unlock a user in Elk
Unlocking users using FusionInsight Manager does not affect users' use of the Elk component, because the definition of user unlocking on Elk is different from that on FusionInsight Manager. Therefore, the function of unlocking users is not mediated between FusionInsight Manager and Elk. For the function-related operations, the administrator needs to log in to the Elk backend and run a command. Unlock command: ALTER USER username ACCOUNT UNLOCKFor example, log in to the database as the administrator and run the following command to unlock user1: postgres=# ALTER USER user1 ACCOUNT UNLOCK

Relationship between the Elk database and HD
Elk is an SQL on Hadoop solution. It is a component of HD and provides excellent SQL query performance and compatibility on HD.

How to obtain the Elk installation package
For an enterprise user, log in to http://support.huawei.com/enterprise/ using the account. Select Downloads, and search for the keyword Elk. For a carrier user, log in to http://support.huawei.com using the account. Select Software, and search for the keyword Elk.

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