MARK BUCKETS

Description

Used by the scale-out tool to notify the kernel of the buckets that have been migrated.

Precautions

It can be called by administrators only during hash bucket scale-out.

Syntax

1

MARK BUCKETS (bucketlist) FINISH FROM datanode_name TO datanode_name;

Parameters

Parameters of MARK BUCKETS are as follows:

• bucketlist

  Specifies the list of buckets that have been migrated.

  Value range: For each bucket, the value range is [0,1023].

• datanode_name

  Specifies the name of the node involved in bucket migration.

  Value range: a string. It must comply with the naming convention.

Examples

1

gaussdb=# MARK BUCKETS (0,1,2,3) FINISH FROM datanode1 TO datanode3;