private synchronized void fetchClusterWideStatsIfNeeded() {
if (launchNewDistTask()) {
try {
List<CompletableFuture<Map<String, Number>>> responseList =
des.submitEverywhere(new DistributedCacheStatsCallable());
updateFieldsFromResponseMap(responseList);
} catch (Exception e) {
log.warn("Could not execute cluster wide cache stats operation ", e);
} finally {
statsUpdateTimestamp = ts.time();
}
}
}
@Stop
public void stop() {
if (des != null && !des.isShutdown()) {
des.shutdownNow();
}
}