public void rebalance() {
int rebalanceDelay = 20;
int activateDelay = 10;
save();
// deactivate();
// timer.schedule(new ActivateTask(this), (rebalanceDelay + activateDelay) * 1000);
// prevent nimbus from getting confused
// if (localCluster != null) {
// deactivate();
// timer.schedule(new ActivateTask(this), (rebalanceDelay + activateDelay) * 1000);
// }
LOG.info("parallelism rebalance " + System.currentTimeMillis());
for (String component : parallelism.keySet()) {
LOG.info("parallelism " + component + " " + parallelism.get(component));
}
RebalanceOptions options = new RebalanceOptions();
options.set_num_executors(parallelism);
options.set_wait_secs(rebalanceDelay);
try {
System.out.println("REBALANCING: " + parallelism);
if (localCluster != null) {
localCluster.rebalance(topologyName, options);
} else {
NimbusClient client = NimbusClient.getConfiguredClient(stormConf);
client.getClient().rebalance(topologyName, options);
}
} catch (Exception e) {
System.out.println("rebalance() exception: " + e.toString());
}
}
