Help Center/ DataArts Studio/ User Guide/ DataArts Migration (Real-Time Jobs)/ Statistical Information Format
Updated on 2026-09-14 GMT+08:00
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Statistical Information Format

Statistical metrics are output as JSON strings. The following table lists their definitions.

Table 1 Field definitions

Field Name

Description

Type

Example Value

dlf_job_id

ID of a real-time migration job in DataArts Factory

String

10000

target_table_schema

Name of the destination table or schema

String

test_database

target_table_name

Name of the destination table

String

test_table_name

total_num

Total amount of data written in the current batch, excluding dirty data

Long

37

dirty_num

Amount of dirty data in the current batch

Long

0

insert_num

Amount of data inserted in the current batch

Long

37

delete_num

Amount of data deleted in the current batch

Long

0

update_num

Amount of data updated in the current batch

Long

0

heartbeat_min

Minimum heartbeat value received in the current batch

Long

1768467450468

heartbeat_max

Maximum heartbeat value received in the current batch

Long

1768467450468

event_time_max

Maximum data time in the current batch

Long

1768467388000

event_time_min

Minimum data time in the current batch

Long

1768467388000

event_time_avg

Average data time in the current batch

Long

1768467388000

begin_time

Writing start time of the current batch

Long

1768467458211

end_time

Writing end time of the current batch

Long

1768467461192

Example Data

{
"dlf_job_id": "97",
"target_table_schema": "default",
"target_table_name": "test_primary_mysql_zhengku",
"total_num": 37,
"dirty_num": 0,
"insert_num": 37,
"delete_num": 0,
"update_num": 0,
"heartbeat_min": 1768467450468,
"heartbeat_max": 1768467450468,
"event_time_max": 1768467388000,
"event_time_min": 1768467388000,
"event_time_avg": 1768467388000,
"begin_time": 1768467458211,
"end_time": 1768467461192
}