dlmarion opened a new issue, #4495:
URL: https://github.com/apache/accumulo/issues/4495
**Is your feature request related to a problem? Please describe.**
The Monitor has poor visibility of compactors and scan servers, it's hard to
determine how many are running.
**Describe the solution you'd like**
A tool that can be invoked via the command line that prints out the process
counts based on the information in ZooKeeper. The tool should have an option to
print using json for parsing.
Example:
```
> accumulo status
-----------------------------------------
Manager: 1
Monitor: 1
Garbage Collector: 1
Coordinator: 1
Tablet Servers: 32
Scan Servers: 44
Compactors: 99
-----------------------------------------
```
For Compactors in 2.1, count could be aggregated by compaction queue. For
elasticity, the tablet / scan / compactor counts could be grouped by resource
group. There could be another option that lists the servers below the count. An
example of this for elasticity would be:
```
> accumulo status --list-servers
-----------------------------------------
Manager: 1
localhost:1234
Monitor: 1
localhost:1235
GarbageCollector: 1
localhost:1236
TabletServers: 3
Default:1
localhost:1237
GroupA:2
localhost:1238
GroupB:2
localhost:1239
ScanServers:4
Default:2
localhost:1240
localhost:1241
Metadata:2
localhost:1242
localhost:1243
Compactors: 4
Default: 2
localhost:1244
localhost:1245
LongRunning:2
localhost:1246
localhost:1247
-----------------------------------------
```
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