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---
stage: Growth
group: Telemetry
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
---
# Usage Ping Guide
> - Introduced in GitLab Enterprise Edition 8.10.
> - More statistics were added in GitLab Enterprise Edition 8.12.
> - Moved to GitLab Core in 9.1.
> - More statistics were added in GitLab Ultimate 11.2.
This guide describes Usage Ping's purpose and how it's implemented.
For more information about Telemetry, see:
- [Telemetry Guide](index.md)
- [Snowplow Guide](snowplow.md)
More useful links:
- [Telemetry Direction](https://about.gitlab.com/direction/telemetry/)
- [Data Analysis Process](https://about.gitlab.com/handbook/business-ops/data-team/#data-analysis-process/)
- [Data for Product Managers](https://about.gitlab.com/handbook/business-ops/data-team/programs/data-for-product-managers/)
- [Data Infrastructure](https://about.gitlab.com/handbook/business-ops/data-team/platform/infrastructure/)
## What is Usage Ping?
- GitLab sends a weekly payload containing usage data to GitLab Inc. Usage Ping provides high-level data to help our product, support, and sales teams. It does not send any project names, usernames, or any other specific data. The information from the usage ping is not anonymous, it is linked to the hostname of the instance. Sending usage ping is optional, and any instance can disable analytics.
- The usage data is primarily composed of row counts for different tables in the instance’s database. By comparing these counts month over month (or week over week), we can get a rough sense for how an instance is using the different features within the product. In addition to counts, other facts
that help us classify and understand GitLab installations are collected.
- Usage ping is important to GitLab as we use it to calculate our Stage Monthly Active Users (SMAU) which helps us measure the success of our stages and features.
- Once usage ping is enabled, GitLab will gather data from the other instances and will be able to show usage statistics of your instance to your users.
### Why should we enable Usage Ping?
- The main purpose of Usage Ping is to build a better GitLab. Data about how GitLab is used is collected to better understand feature/stage adoption and usage, which helps us understand how GitLab is adding value and helps our team better understand the reasons why people use GitLab and with this knowledge we're able to make better product decisions.
- As a benefit of having the usage ping active, GitLab lets you analyze the users’ activities over time of your GitLab installation.
- As a benefit of having the usage ping active, GitLab provides you with The DevOps Score,which gives you an overview of your entire instance’s adoption of Concurrent DevOps from planning to monitoring.
- You will get better, more proactive support. (assuming that our TAMs and support organization used the data to deliver more value)
- You will get insight and advice into how to get the most value out of your investment in GitLab. Wouldn't you want to know that a number of features or values are not being adopted in your organization?
- You get a report that illustrates how you compare against other similar organizations (anonymized), with specific advice and recommendations on how to improve your DevOps processes.
- Usage Ping is enabled by default. To disable it, see [Disable Usage Ping](#disable-usage-ping).
### Limitations
- Usage Ping does not track frontend events things like page views, link clicks, or user sessions, and only focuses on aggregated backend events.
- Because of these limitations we recommend instrumenting your products with Snowplow for more detailed analytics on GitLab.com and use Usage Ping to track aggregated backend events on self-managed.
## Usage Ping payload
You can view the exact JSON payload sent to GitLab Inc. in the administration panel. To view the payload:
1. Navigate to **Admin Area > Settings > Metrics and profiling**.
1. Expand the **Usage statistics** section.
1. Click the **Preview payload** button.
For an example payload, see [Example Usage Ping payload](#example-usage-ping-payload).
## Disable Usage Ping
To disable Usage Ping in the GitLab UI, go to the **Settings** page of your administration panel and uncheck the **Usage Ping** checkbox.
To disable Usage Ping and prevent it from being configured in the future through the administration panel, Omnibus installs can set the following in [`gitlab.rb`](https://docs.gitlab.com/omnibus/settings/configuration.html#configuration-options):
```ruby
gitlab_rails['usage_ping_enabled'] = false
```
Source installations can set the following in `gitlab.yml`:
```yaml
production: &base
# ...
gitlab:
# ...
usage_ping_enabled: false
```
## Usage Ping request flow
The following example shows a basic request/response flow between a GitLab instance, the Versions Application, the License Application, Salesforce, GitLab's S3 Bucket, GitLab's Snowflake Data Warehouse, and Sisense:
```mermaid
sequenceDiagram
participant GitLab Instance
participant Versions Application
participant Licenses Application
participant Salesforce
participant S3 Bucket
participant Snowflake DW
participant Sisense Dashboards
GitLab Instance->>Versions Application: Send Usage Ping
loop Process usage data
Versions Application->>Versions Application: Parse usage data
Versions Application->>Versions Application: Write to database
Versions Application->>Versions Application: Update license ping time
end
loop Process data for Salesforce
Versions Application-xLicenses Application: Request Zuora subscription id
Licenses Application-xVersions Application: Zuora subscription id
Versions Application-xSalesforce: Request Zuora account id by Zuora subscription id
Salesforce-xVersions Application: Zuora account id
Versions Application-xSalesforce: Usage data for the Zuora account
end
Versions Application->>S3 Bucket: Export Versions database
S3 Bucket->>Snowflake DW: Import data
Snowflake DW->>Snowflake DW: Transform data using dbt
Snowflake DW->>Sisense Dashboards: Data available for querying
Versions Application->>GitLab Instance: DevOps Score (Conversational Development Index)
```
## How Usage Ping works
1. The Usage Ping [cron job](https://gitlab.com/gitlab-org/gitlab/-/blob/master/app/workers/gitlab_usage_ping_worker.rb#L30) is set in Sidekiq to run weekly.
1. When the cron job runs, it calls [`GitLab::UsageData.to_json`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/app/services/submit_usage_ping_service.rb#L22).
1. `GitLab::UsageData.to_json` [cascades down](https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/usage_data.rb#L22) to ~400+ other counter method calls.
1. The response of all methods calls are [merged together](https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/usage_data.rb#L14) into a single JSON payload in `GitLab::UsageData.to_json`.
1. The JSON payload is then [posted to the Versions application]( https://gitlab.com/gitlab-org/gitlab/-/blob/master/app/services/submit_usage_ping_service.rb#L20).
## Implementing Usage Ping
Usage Ping consists of two kinds of data, counters and observations. Counters track how often a certain event
happened over time, such as how many CI pipelines have run. They are monotonic and always trend up.
Observations are facts collected from one or more GitLab instances and can carry arbitrary data. There are no
general guidelines around how to collect those, due to the individual nature of that data.
There are four types of counters which are all found in `usage_data.rb`:
- **Ordinary Batch Counters:** Simple count of a given ActiveRecord_Relation
- **Distinct Batch Counters:** Distinct count of a given ActiveRecord_Relation on given column
- **Alternative Counters:** Used for settings and configurations
- **Redis Counters:** Used for in-memory counts. This method is being deprecated due to data inaccuracies and will be replaced with a persistent method.
NOTE: **Note:**
Only use the provided counter methods. Each counter method contains a built in fail safe to isolate each counter to avoid breaking the entire Usage Ping.
### Why batch counting
For large tables, PostgreSQL can take a long time to count rows due to MVCC [(Multi-version Concurrency Control)](https://en.wikipedia.org/wiki/Multiversion_concurrency_control). Batch counting is a counting method where a single large query is broken into multiple smaller queries. For example, instead of a single query querying 1,000,000 records, with batch counting, you can execute 100 queries of 10,000 records each. Batch counting is useful for avoiding database timeouts as each batch query is significantly shorter than one single long running query.
For GitLab.com, there are extremely large tables with 15 second query timeouts, so we use batch counting to avoid encountering timeouts. Here are the sizes of some GitLab.com tables:
| Table | Row counts in millions |
|------------------------------|------------------------|
| `merge_request_diff_commits` | 2280 |
| `ci_build_trace_sections` | 1764 |
| `merge_request_diff_files` | 1082 |
| `events` | 514 |
There are two batch counting methods provided, `Ordinary Batch Counters` and `Distinct Batch Counters`. Batch counting requires indexes on columns to calculate max, min, and range queries. In some cases, a specialized index may need to be added on the columns involved in a counter.
### Ordinary Batch Counters
Handles `ActiveRecord::StatementInvalid` error
Simple count of a given ActiveRecord_Relation, does a non-distinct batch count, smartly reduces batch_size and handles errors.
Method: `count(relation, column = nil, batch: true, start: nil, finish: nil)`
Arguments:
- `relation` the ActiveRecord_Relation to perform the count
- `column` the column to perform the count on, by default is the primary key
- `batch`: default `true` in order to use batch counting
- `start`: custom start of the batch counting in order to avoid complex min calculations
- `end`: custom end of the batch counting in order to avoid complex min calculations
Examples:
```ruby
count(User.active)
count(::Clusters::Cluster.aws_installed.enabled, :cluster_id)
count(::Clusters::Cluster.aws_installed.enabled, :cluster_id, start: ::Clusters::Cluster.minimum(:id), finish: ::Clusters::Cluster.maximum(:id))
```
### Distinct Batch Counters
Handles `ActiveRecord::StatementInvalid` error
Distinct count of a given ActiveRecord_Relation on given column, a distinct batch count, smartly reduces batch_size and handles errors.
Method: `distinct_count(relation, column = nil, batch: true, batch_size: nil, start: nil, finish: nil)`
Arguments:
- `relation` the ActiveRecord_Relation to perform the count
- `column` the column to perform the distinct count, by default is the primary key
- `batch`: default `true` in order to use batch counting
- `batch_size`: if none set it will use default value 10000 from `Gitlab::Database::BatchCounter`
- `start`: custom start of the batch counting in order to avoid complex min calculations
- `end`: custom end of the batch counting in order to avoid complex min calculations
Examples:
```ruby
distinct_count(::Project, :creator_id)
distinct_count(::Note.with_suggestions.where(time_period), :author_id, start: ::User.minimum(:id), finish: ::User.maximum(:id))
distinct_count(::Clusters::Applications::CertManager.where(time_period).available.joins(:cluster), 'clusters.user_id')
```
### Redis Counters
Handles `::Redis::CommandError` and `Gitlab::UsageDataCounters::BaseCounter::UnknownEvent`
returns -1 when a block is sent or hash with all values -1 when a `counter(Gitlab::UsageDataCounters)` is sent
different behavior due to 2 different implementations of Redis counter
Method: `redis_usage_data(counter, &block)`
Arguments:
- `counter`: a counter from `Gitlab::UsageDataCounters`, that has `fallback_totals` method implemented
- or a `block`: which is evaluated
Example of usage:
```ruby
redis_usage_data(Gitlab::UsageDataCounters::WikiPageCounter)
redis_usage_data { ::Gitlab::UsageCounters::PodLogs.usage_totals[:total] }
```
Note that Redis counters are in the [process of being deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/216330) and you should instead try to use Snowplow events instead. We're in the process of building [self-managed event tracking](https://gitlab.com/gitlab-org/telemetry/-/issues/373) and once this is available, we will convert all Redis counters into Snowplow events.
### Alternative Counters
Handles `StandardError` and fallbacks into -1 this way not all measures fail if we encounter one exception.
Mainly used for settings and configurations.
Method: `alt_usage_data(value = nil, fallback: -1, &block)`
Arguments:
- `value`: a simple static value in which case the value is simply returned.
- or a `block`: which is evaluated
- `fallback: -1`: the common value used for any metrics that are failing.
Example of usage:
```ruby
alt_usage_data { Gitlab::VERSION }
alt_usage_data { Gitlab::CurrentSettings.uuid }
alt_usage_data(999)
```
### Prometheus Queries
In those cases where operational metrics should be part of Usage Ping, a database or Redis query is unlikely
to provide useful data. Instead, Prometheus might be more appropriate, since most of GitLab's architectural
components publish metrics to it that can be queried back, aggregated, and included as usage data.
NOTE: **Note:**
Prometheus as a data source for Usage Ping is currently only available for single-node Omnibus installations
that are running the [bundled Prometheus](../../administration/monitoring/prometheus/index.md) instance.
In order to query Prometheus for metrics, a helper method is available that will `yield` a fully configured
`PrometheusClient`, given it is available as per the note above:
```ruby
with_prometheus_client do |client|
response = client.query('<your query>')
...
end
```
Please refer to [the `PrometheusClient` definition](https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/prometheus_client.rb)
for how to use its API to query for data.
## Developing and testing Usage Ping
### 1. Use your Rails console to manually test counters
```ruby
# count
Gitlab::UsageData.count(User.active)
Gitlab::UsageData.count(::Clusters::Cluster.aws_installed.enabled, :cluster_id)
# count distinct
Gitlab::UsageData.distinct_count(::Project, :creator_id)
Gitlab::UsageData.distinct_count(::Note.with_suggestions.where(time_period), :author_id, start: ::User.minimum(:id), finish: ::User.maximum(:id))
```
### 2. Generate the SQL query
Your Rails console will return the generated SQL queries.
Example:
```ruby
pry(main)> Gitlab::UsageData.count(User.active)
(2.6ms) SELECT "features"."key" FROM "features"
(15.3ms) SELECT MIN("users"."id") FROM "users" WHERE ("users"."state" IN ('active')) AND ("users"."user_type" IS NULL OR "users"."user_type" IN (6, 4))
(2.4ms) SELECT MAX("users"."id") FROM "users" WHERE ("users"."state" IN ('active')) AND ("users"."user_type" IS NULL OR "users"."user_type" IN (6, 4))
(1.9ms) SELECT COUNT("users"."id") FROM "users" WHERE ("users"."state" IN ('active')) AND ("users"."user_type" IS NULL OR "users"."user_type" IN (6, 4)) AND "users"."id" BETWEEN 1 AND 100000
```
### 3. Optimize queries with #database-lab
Paste the SQL query into `#database-lab` to see how the query performs at scale.
- `#database-lab` is a Slack channel which uses a production-sized environment to test your queries.
- GitLab.com’s production database has a 15 second timeout.
- Any single query must stay below 1 second execution time with cold caches.
- Add a specialized index on columns involved to reduce the execution time.
In order to have an understanding of the query's execution we add in the MR description the following information:
- For counters that have a `time_period` test we add information for both cases:
- `time_period = {}` for all time periods
- `time_period = { created_at: 28.days.ago..Time.current }` for last 28 days period
- Execution plan and query time before and after optimization
- Query generated for the index and time
- Migration output for up and down execution
We also use `#database-lab` and [explain.depesz.com](https://explain.depesz.com/). For more details, see the [database review guide](../database_review.md#preparation-when-adding-or-modifying-queries).
#### Optimization recommendations and examples
- Use specialized indexes [example 1](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/26871), [example 2](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/26445).
- Use defined `start` and `finish`, and simple queries, because these values can be memoized and reused, [example](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/37155).
- Avoid joins and write the queries as simply as possible, [example](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/36316).
- Set a custom `batch_size` for `distinct_count`, [example](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38000).
### 4. Add the metric definition
When adding, changing, or updating metrics, please update the [Event dictionary Usage Ping table](event_dictionary.md#usage-ping).
### 5. Add new metric to Versions Application
Check if new metrics need to be added to the Versions Application. See `usage_data` [schema](https://gitlab.com/gitlab-services/version-gitlab-com/-/blob/master/db/schema.rb#L147) and usage data [parameters accepted](https://gitlab.com/gitlab-services/version-gitlab-com/-/blob/master/app/services/usage_ping.rb). Any metrics added under the `counts` key are saved in the `counts` column.
For further details, see the [Process to add additional instrumentation to the Usage Ping](https://about.gitlab.com/handbook/product/product-processes/#process-to-add-additional-instrumentation-to-the-usage-ping).
### 6. Add the feature label
Add the `feature` label to the Merge Request for new Usage Ping metrics. These are user-facing changes and are part of expanding the Usage Ping feature.
### 7. Add a changelog file
Ensure you comply with the [Changelog entries guide](../changelog.md).
### 8. Ask for a Telemetry Review
On GitLab.com, we have DangerBot setup to monitor Telemetry related files and DangerBot will recommend a Telemetry review. Mention `@gitlab-org/growth/telemetry/engineers` in your MR for a review.
### Optional: Test Prometheus based Usage Ping
If the data submitted includes metrics [queried from Prometheus](#prometheus-queries) that you would like to inspect and verify,
then you need to ensure that a Prometheus server is running locally, and that furthermore the respective GitLab components
are exporting metrics to it. If you do not need to test data coming from Prometheus, no further action
is necessary, since Usage Ping should degrade gracefully in the absence of a running Prometheus server.
There are currently three kinds of components that may export data to Prometheus, and which are included in Usage Ping:
- [`node_exporter`](https://github.com/prometheus/node_exporter) - Exports node metrics from the host machine
- [`gitlab-exporter`](https://gitlab.com/gitlab-org/gitlab-exporter) - Exports process metrics from various GitLab components
- various GitLab services such as Sidekiq and the Rails server that export their own metrics
#### Test with an Omnibus container
This is the recommended approach to test Prometheus based Usage Ping.
The easiest way to verify your changes is to build a new Omnibus image from your code branch via CI, then download the image
and run a local container instance:
1. From your merge request, click on the `qa` stage, then trigger the `package-and-qa` job. This job will trigger an Omnibus
build in a [downstream pipeline of the `omnibus-gitlab-mirror` project](https://gitlab.com/gitlab-org/build/omnibus-gitlab-mirror/-/pipelines).
1. In the downstream pipeline, wait for the `gitlab-docker` job to finish.
1. Open the job logs and locate the full container name including the version. It will take the following form: `registry.gitlab.com/gitlab-org/build/omnibus-gitlab-mirror/gitlab-ee:<VERSION>`.
1. On your local machine, make sure you are logged in to the GitLab Docker registry. You can find the instructions for this in
[Authenticating to the GitLab Container Registry](../../user/packages/container_registry/index.md#authenticating-to-the-gitlab-container-registry).
1. Once logged in, download the new image via `docker pull registry.gitlab.com/gitlab-org/build/omnibus-gitlab-mirror/gitlab-ee:<VERSION>`
1. For more information about working with and running Omnibus GitLab containers in Docker, please refer to [GitLab Docker images](https://docs.gitlab.com/omnibus/docker/README.html) in the Omnibus documentation.
#### Test with GitLab development toolkits
This is the less recommended approach, since it comes with a number of difficulties when emulating a real GitLab deployment.
The [GDK](https://gitlab.com/gitlab-org/gitlab-development-kit) is not currently set up to run a Prometheus server or `node_exporter` alongside other GitLab components. If you would
like to do so, [Monitoring the GDK with Prometheus](https://gitlab.com/gitlab-org/gitlab-development-kit/-/blob/master/doc/howto/prometheus/index.md#monitoring-the-gdk-with-prometheus) is a good start.
The [GCK](https://gitlab.com/gitlab-org/gitlab-compose-kit) has limited support for testing Prometheus based Usage Ping.
By default, it already comes with a fully configured Prometheus service that is set up to scrape a number of components,
but with the following limitations:
- It does not currently run a `gitlab-exporter` instance, so several `process_*` metrics from services such as Gitaly may be missing.
- While it runs a `node_exporter`, `docker-compose` services emulate hosts, meaning that it would normally report itself to not be associated
with any of the other services that are running. That is not how node metrics are reported in a production setup, where `node_exporter`
always runs as a process alongside other GitLab components on any given node. From Usage Ping's perspective none of the node data would therefore
appear to be associated to any of the services running, since they all appear to be running on different hosts. To alleviate this problem, the `node_exporter` in GCK was arbitrarily "assigned" to the `web` service, meaning only for this service `node_*` metrics will appear in Usage Ping.
## Example Usage Ping payload
The following is example content of the Usage Ping payload.
```json
{
"uuid": "0000000-0000-0000-0000-000000000000",
"hostname": "example.com",
"version": "12.10.0-pre",
"installation_type": "omnibus-gitlab",
"active_user_count": 999,
"recorded_at": "2020-04-17T07:43:54.162+00:00",
"edition": "EEU",
"license_md5": "00000000000000000000000000000000",
"license_id": null,
"historical_max_users": 999,
"licensee": {
"Name": "ABC, Inc.",
"Email": "email@example.com",
"Company": "ABC, Inc."
},
"license_user_count": 999,
"license_starts_at": "2020-01-01",
"license_expires_at": "2021-01-01",
"license_plan": "ultimate",
"license_add_ons": {
},
"license_trial": false,
"counts": {
"assignee_lists": 999,
"boards": 999,
"ci_builds": 999,
...
},
"container_registry_enabled": true,
"dependency_proxy_enabled": false,
"gitlab_shared_runners_enabled": true,
"gravatar_enabled": true,
"influxdb_metrics_enabled": true,
"ldap_enabled": false,
"mattermost_enabled": false,
"omniauth_enabled": true,
"prometheus_enabled": false,
"prometheus_metrics_enabled": false,
"reply_by_email_enabled": "incoming+%{key}@incoming.gitlab.com",
"signup_enabled": true,
"web_ide_clientside_preview_enabled": true,
"ingress_modsecurity_enabled": true,
"projects_with_expiration_policy_disabled": 999,
"projects_with_expiration_policy_enabled": 999,
...
"elasticsearch_enabled": true,
"license_trial_ends_on": null,
"geo_enabled": false,
"git": {
"version": {
"major": 2,
"minor": 26,
"patch": 1
}
},
"gitaly": {
"version": "12.10.0-rc1-93-g40980d40",
"servers": 56,
"clusters": 14,
"filesystems": [
"EXT_2_3_4"
]
},
"gitlab_pages": {
"enabled": true,
"version": "1.17.0"
},
"container_registry_server": {
"vendor": "gitlab",
"version": "2.9.1-gitlab"
},
"database": {
"adapter": "postgresql",
"version": "9.6.15"
},
"avg_cycle_analytics": {
"issue": {
"average": 999,
"sd": 999,
"missing": 999
},
"plan": {
"average": null,
"sd": 999,
"missing": 999
},
"code": {
"average": null,
"sd": 999,
"missing": 999
},
"test": {
"average": null,
"sd": 999,
"missing": 999
},
"review": {
"average": null,
"sd": 999,
"missing": 999
},
"staging": {
"average": null,
"sd": 999,
"missing": 999
},
"production": {
"average": null,
"sd": 999,
"missing": 999
},
"total": 999
},
"analytics_unique_visits": {
"g_analytics_contribution": 999,
...
},
"usage_activity_by_stage": {
"configure": {
"project_clusters_enabled": 999,
...
},
"create": {
"merge_requests": 999,
...
},
"manage": {
"events": 999,
...
},
"monitor": {
"clusters": 999,
...
},
"package": {
"projects_with_packages": 999
},
"plan": {
"issues": 999,
...
},
"release": {
"deployments": 999,
...
},
"secure": {
"user_container_scanning_jobs": 999,
...
},
"verify": {
"ci_builds": 999,
...
}
},
"usage_activity_by_stage_monthly": {
"configure": {
"project_clusters_enabled": 999,
...
},
"create": {
"merge_requests": 999,
...
},
"manage": {
"events": 999,
...
},
"monitor": {
"clusters": 999,
...
},
"package": {
"projects_with_packages": 999
},
"plan": {
"issues": 999,
...
},
"release": {
"deployments": 999,
...
},
"secure": {
"user_container_scanning_jobs": 999,
...
},
"verify": {
"ci_builds": 999,
...
}
},
"topology": {
"duration_s": 0.013836685999194742,
"application_requests_per_hour": 4224,
"failures": [],
"nodes": [
{
"node_memory_total_bytes": 33269903360,
"node_cpus": 16,
"node_uname_info": {
"machine": "x86_64",
"sysname": "Linux",
"release": "4.19.76-linuxkit"
},
"node_services": [
{
"name": "web",
"process_count": 16,
"process_memory_pss": 233349888,
"process_memory_rss": 788220927,
"process_memory_uss": 195295487,
"server": "puma"
},
{
"name": "sidekiq",
"process_count": 1,
"process_memory_pss": 734080000,
"process_memory_rss": 750051328,
"process_memory_uss": 731533312
},
...
],
...
},
...
]
}
}
```
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