kevinrr888 commented on PR #4806:
URL: https://github.com/apache/accumulo/pull/4806#issuecomment-2287010704
Some example outputs and a sketch of the current dependency tree as support:
```
Dependency tree sketch:
SYSTEM_CONFIG
|
V
ROOT_METADATA
|
V
ROOT_TABLE
/ \
METADATA_TABLE SYSTEM_FILES
|
V
USER_FILES
```
Sample outputs:
```
$ accumulo admin check list
Check Name | Description
| Depends on
------------------------------------------------------------------------------------------------------------------------
SYSTEM_CONFIG | Validate the system config stored in ZooKeeper
|
ROOT_METADATA | Checks integrity of the root tablet metadata stored
in ZooKeeper | SYSTEM_CONFIG
ROOT_TABLE | Scans all the tablet metadata stored in the root
table and checks integrity | ROOT_METADATA
METADATA_TABLE | Scans all the tablet metadata stored in the metadata
table and checks integrity | ROOT_TABLE
SYSTEM_FILES | Checks that files in system tablet metadata exist in
DFS | ROOT_TABLE
USER_FILES | Checks that files in user tablet metadata exist in
DFS | METADATA_TABLE
------------------------------------------------------------------------------------------------------------------------
```
```
$ accumulo admin check run
Running check SYSTEM_CONFIG
Check SYSTEM_CONFIG completed with status OK
Running check ROOT_METADATA
Check ROOT_METADATA completed with status OK
Running check ROOT_TABLE
Check ROOT_TABLE completed with status OK
Running check METADATA_TABLE
Check METADATA_TABLE completed with status OK
Running check SYSTEM_FILES
Check SYSTEM_FILES completed with status OK
Running check USER_FILES
Check USER_FILES completed with status OK
Check Name | Status
--------------------------------------------------
SYSTEM_CONFIG | OK
ROOT_METADATA | OK
ROOT_TABLE | OK
METADATA_TABLE | OK
SYSTEM_FILES | OK
USER_FILES | OK
--------------------------------------------------
```
```
$ accumulo admin check run -p ".*table"
Running check SYSTEM_CONFIG
Check SYSTEM_CONFIG completed with status OK
Running check ROOT_METADATA
Check ROOT_METADATA completed with status OK
Running check ROOT_TABLE
Check ROOT_TABLE completed with status OK
Running check METADATA_TABLE
Check METADATA_TABLE completed with status OK
Check Name | Status
--------------------------------------------------
SYSTEM_CONFIG | OK
ROOT_METADATA | OK
ROOT_TABLE | OK
METADATA_TABLE | OK
--------------------------------------------------
```
In this example, I made ROOT_TABLE fail when it was run and attempted to run
all the checks
```
$ accumulo admin check run
Running check SYSTEM_CONFIG
Check SYSTEM_CONFIG completed with status OK
Running check ROOT_METADATA
Check ROOT_METADATA completed with status OK
Running check ROOT_TABLE
Check ROOT_TABLE completed with status FAILED
Check Name | Status
--------------------------------------------------
SYSTEM_CONFIG | OK
ROOT_METADATA | OK
ROOT_TABLE | FAILED
METADATA_TABLE | SKIPPED_DEPENDENCY_FAILED
SYSTEM_FILES | SKIPPED_DEPENDENCY_FAILED
USER_FILES | SKIPPED_DEPENDENCY_FAILED
--------------------------------------------------
```
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