Update troubleshoot-batch-jobs.md

closes docker/dhe-deploy#8517
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David Wu 2018-05-15 16:30:26 -07:00 committed by Joao Fernandes
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@ -39,6 +39,10 @@ DTR has several types of jobs.
| Job | Description |
|:------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| gc | Garbage collection job that deletes layers associated with deleted images |
| onlinegc | Garbage collection job that deletes layers associated with deleted images without putting the registry in read only mode |
| onlinegc_metadata | Garbage collection job that deletes metadata associated with deleted images|
| onlinegc_joblogs | Garbage collection job that deletes job logs based on a set job history setting |
| metadatastoremigration | metadatastoremigration is a necessary migration that enables the online gc feature |
| sleep | Sleep is used to test the correctness of the jobrunner. It sleeps for 60 seconds |
| false | False is used to test the correctness of the jobrunner. It runs the `false` command and immediately fails |
| tagmigration | Tag migration is used to synchronize tag and manifest information between the DTR database and the storage backend. |
@ -48,6 +52,9 @@ DTR has several types of jobs.
| scan_check_single | A security scanning job for a particular layer given by the `parameter: SHA256SUM`. This job breaks up the layer into components and checks each component for vulnerabilities |
| scan_check_all | A security scanning job that updates all of the currently scanned images to display the latest vulnerabilities |
| update_vuln_db | A job that is created to update DTR's vulnerability database. It uses an Internet connection to check for database updates through `https://dss-cve-updates.docker.com/` and updates the `dtr-scanningstore` container if there is a new update available |
| scannedlayermigration | scannedlayermigration is a 2.4 to 2.5 upgrade process that restructures scanned image data |
| push_mirror_tag | A job that pushes a tag to another registry after a push mirror policy has been evaluated |
| poll_mirror | A global cron that evaluates poll mirroring policies |
| webhook | A job that is used to dispatch a webhook payload to a single endpoint |
## Job status
@ -230,4 +237,3 @@ see those jobs using the `GET /api/v0/crons` endpoint:
```
The `schedule` uses a Unix crontab syntax.