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Replication status

The attrep_status table contains the current status of each replication task and the target data. Although updates for the tasks in the attrep_status table are generated every few seconds, The attrep_status table will only be updated after it has applied changes to the target tables. In some cases, this may take a few minutes.

Replication status
Column Type Description

SERVER_NAME

nvchar

The name of the machine on which the Qlik replication server is installed.

TASK_NAME

nvchar

The name of the Qlik data task.

TASK_STATUS

varchar

One of the following:

  • FULL LOAD
  • CHANGE PROCESSING

Task status is FULL LOAD as long as there is at least one table in full load. After all tables have been loaded, the task status changes to CHANGE PROCESSING.

STATUS_TIME

timestamp

When the status was last updated.

PENDING_CHANGES

int

The number of change records that were not yet applied to the target.

DISK_SWAP_SIZE

int

The amount of disk space that is occupied by old or offloaded transactions.

TASK_MEMORY

int

Current memory consumption in MB.

SOURCE_CURRENT_POSITION

varchar

The POSITION in the source endpoint that the Qlik replication server is currently reading from.

SOURCE_CURRENT_TIMESTAMP

timestamp

The TIMESTAMP in the source from which the Qlik replication server is currently reading.

Information note

The Qlik replication server aligns the timestamp read from the data source with the timestamp on the Qlik replication server machine (according to the source latency). So, for example, if the time on the source was 12:30 and the time on the Qlik replication server is 12:32, an extra two minutes will be added to the original source time. This will be the value in the SOURCE_CURRENT_TIMESTAMP column.

SOURCE_TAIL_POSITION

 

varchar

The POSITION of the oldest start transaction that is still not committed. This represents the newest position that you can revert to, without losing any changes. There may, of course, be duplicates.

SOURCE_TAIL_TIMESTAMP

timestamp

The TIMESTAMP of the oldest start transaction that is still not committed. This represents the newest TIMESTAMP that you can revert to, without losing any changes. There may, of course, be duplicates.

SOURCE_TIMESTAMP_APPLIED

timestamp

This is the timestamp of the last transaction committed. In a bulk apply this will be the timestamp for the commit of the last transaction in that batch. It will only be changed as part of the last transaction in the batch.

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