private boolean deleteNode_ignoreNoNodeException(String path, String debugLogMessageIfNotExists) {
        try {
            curator.framework().delete().forPath(path);
            return true;
        } catch (NoNodeException e) {
            log.log(Level.FINE, debugLogMessageIfNotExists, e);
            return false;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
Handles all ZooKeeper data structures related to each active application, including HostInfo.
Cache (if any) is above and not visible here.

@author hakonhall
orchestrator/src/main/java/com/yahoo/vespa/orchestrator/status/HostInfosServiceImpl.java