New and Updated Configuration Parameters

Replication Server 15.5 introduces dsi_max_cmds_in_batch, and updates dsi_max_xacts_in_group and dsi_serialization_method to support parallel Data Server Interface (DSI) processing.

New Configuration Parameter

Parameter

Value

Default

Description

dsi_max_cmds_in_batch

Integer

100

Defines maximum number of source commands whose output commands can be batched.

You must suspend and resume the connection for any change in the parameter to take effect.

Range: 1 – 1000

Updated Configuration Parameters

Parameter

Value

Default

Description

dsi_max_xacts_in_group

Integer

20

Specifies the maximum number of transactions in a group. Larger numbers may improve data latency at the replicate database.

Range: 1 – 1000

dsi_serialization_method

no_wait

wait_for_start

wait_for_commit

wait_after_commit

wait_for_commit

Specifies the method used to maintain serial consistency between parallel DSI threads when applying transactions to a replicate data server. In all cases, commit order is preserved.