split chunk

Splits each of the specified chunks into two chunks with an equal number of records. After the split, the chunks remain in the same shard.

Syntax

split chunk -chunk chunk_id_list
           [-shardspace shard_space_list]

Options

Table 2-98 GDSCTL split chunk Options

Option	Description
-chunk chunk_id_list	Specify a comma-separated list of numeric chunk identifiers.
-shardspace shard_space_list	Specify a list of shardspace names in which to split the specified chunks.

Usage Notes

This command can only be used with system-managed sharding. For user-defined sharding, ALTER TABLE is used to split a partition of the root (parent) table.

Merging of chunks is not supported.

Examples

Split chunks 3, 4, and 5.

GDSCTL> split chunk -chunk 3,4,5