ctubbsii commented on PR #5439:
URL: https://github.com/apache/accumulo/pull/5439#issuecomment-2777236909
I think we could store the process ID `ProcessHandle.current().pid()` in the
ServiceLockData. That would empower ServiceStatusCmd and ZooZap to be able to
view and/or zap based on host and PID with includes and excludes patterns. The
`accumulo-cluster` script could have a status command that reports on the PIDs
for each host.
With those, you could do something like (pseudo-code):
```bash
for statusline in $(accumulo-cluster status); do
host=parseHost(statusline)
pids=parsePids(statusline)
ZooZap --tservers --host=$host --exclude-pids=$pids # would probably want
to group by host
done
```
The actual command-line options for filtering based on type, hostname, port,
pids, could vary, but this is the basic idea. The `accumulo-cluster status`
would only show the running PIDs from the currently configured cluster.yaml, so
if those are excluded from zapping, they should be the only ones remaining
after zapping.
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