Discover replication delays in Instance Data Replication

task brazil Updated Sep 10, 2026 1 min read diagnose-delayed-replication.md
Raw file servicenow.com

Monitor possible data replication issues by using the Instance Data Replication (IDR) Monitoring Dashboard.

Before you begin

Role required: admin

About this task

Procedure

  1. To view the time lag on a producer instance, navigate to Instance Data Replication > Monitoring Dashboard, and check the Active Producer Replication Sets for the following details.

Name

Name of the producer replication set.

Replication Queue Reading Lag

Time between a record change on the producer instance and the moment it is sent over the outbound replication queue.

Status

Status of a replication set, either active or in error.

Status Message

Message that describes the error status.

Message Queue Version

Version of the Message Queue. Default is V2 (Hermes).

To get additional information, view the producer instance xmlstats at `https:///xmlstats.do?include=idr`.
\[Omitted image "xmlstats-producer.png"\] Alt text: Producer instance xmlstats

The xmlstats shows:

-   The *producer\_last\_run* indicates the last time that the replication job ran on the producer instance.
-   The *last\_message\_sent\_on* indicates the last time that the producer sent updated data to consumers.

    **Note:** The timestamps are GMT.
  1. To view the time lag on a consumer instance, navigate to Instance Data Replication > Monitoring Dashboard and check the Active Consumer Replication Sets for the following details.

Name

Name of the consumer replication set.

Data Lag

Time between a record change on the producer instance and the moment it is recorded in the consumer instance.

Network Lag

Time between a record change logs in the outbound replication queue and the moment it is recorded in the consumer instance.

Status

Status of a replication set, either active or in error.

Status Message

Message that describes the error status.

Message Queue Version

Version of the Message Queue. Default is V2 (Hermes)

To get additional information, view the consumer instance xmlstats at `https:///xmlstats.do?include=idr`. \[Omitted image "xmlstats-consumer.png"\] Alt text: Consumer xmlstats The xmlstats shows:
-   The *consumer\_last\_run* indicates the last time that the consumer job ran and received changes from the producer.
-   The *last\_heartbeat\_received\_on* shows the timestamp when the consumer last received a heartbeat from the producer instance.

    **Note:** The timestamps are GMT.

Parent Topic:Resolving data replication errors in Instance Data Replication

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