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Update FAQ.md
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rsvihladremio authored Jun 21, 2024
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Expand Up @@ -37,7 +37,7 @@ do the following in the ddc.yaml:

## What is captured by DDC?

DDC has 3 modes - but you can alter the `ddc.yaml` and override collection modes to suit your own configuration
DDC has 4 modes - but you can alter the `ddc.yaml` and override collection modes to suit your own configuration

### Light mode

Expand All @@ -54,13 +54,19 @@ DDC has 3 modes - but you can alter the `ddc.yaml` and override collection modes
* perf metrics (cpu and GC usage by thread)
* system disk usage
* Java Flight Recorder recording of 60 seconds
* top output of 60 seconds - older versions used [ttop](https://github.com/aragozin/jvm-tools/blob/master/sjk-core/docs/TTOP.md)
* server.log and 7 days of archives
* metadata\_refresh.log and 7 days of archives
* reflection.log and 7 days of archives
* queries.json and up to 30 days of archives
* all Dremio configurations
* all GC logs if present

### Standard+jstack mode

* everything stated in standard
* captures 60 seconds of jstack at 1 second intervals

### Healthcheck mode (with a Dremio Personal Access Token)

* a sampling of job profiles (note 25000 jobs can take 15 minutes to collect)
Expand All @@ -72,6 +78,5 @@ DDC has 3 modes - but you can alter the `ddc.yaml` and override collection modes

* access.log and 7 days of archives
* audit.log and 7 days of archives
* Jstack thread dump every second for approximately 60 seconds
* Java heap dump

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