Ledger Database

enable_ledger

Parameter description: Specifies whether to enable the ledger database. If this parameter is set to on, the ledger database is enabled, and a new tamper-proof mode can be created and the common mode can be changed to the tamper-proof mode.

Parameter type: Boolean

Unit: none

Value range:

on indicates that the ledger database is enabled.
off indicates that the ledger database is disabled.

Default value: off

Setting method: This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Setting suggestion: The ledger database is disabled by default. To enable it, set enable_ledger to on.

ledger_hist_level

Parameter description: Specifies whether to record SQL statements in the global blockchain table.

Parameter type: int

Unit: none

Value range:

0: SQL statements are not recorded in the global blockchain table.
1: SQL statements are recorded in the global blockchain table.

Default value: 1

Setting method: This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Setting suggestion: Retain the default value 1.

Parent topic: GUC Parameters

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