private void updateClusterState(
final ClusterServersConfig cfg, final RedisConnection connection) {
Future<String> future = connection.async(RedisCommands.CLUSTER_NODES);
future.addListener(
new FutureListener<String>() {
@Override
public void operationComplete(Future<String> future) throws Exception {
if (!future.isSuccess()) {
log.error(
"Can't execute CLUSTER_NODES with " + connection.getRedisClient().getAddr(),
future.cause());
scheduleClusterChangeCheck(cfg);
return;
}
String nodesValue = future.getNow();
log.debug(
"cluster nodes state from {}:\n{}",
connection.getRedisClient().getAddr(),
nodesValue);
Collection<ClusterPartition> newPartitions = parsePartitions(nodesValue);
checkMasterNodesChange(newPartitions);
checkSlaveNodesChange(newPartitions);
checkSlotsChange(cfg, newPartitions);
scheduleClusterChangeCheck(cfg);
}
});
}
@Test
public void test() throws InterruptedException {
RedisClient c = new RedisClient("localhost", 6379);
final RedisConnection conn = c.connect();
conn.sync(StringCodec.INSTANCE, RedisCommands.SET, "test", 0);
ExecutorService pool =
Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 2);
for (int i = 0; i < 100000; i++) {
pool.execute(
() -> {
conn.async(StringCodec.INSTANCE, RedisCommands.INCR, "test");
});
}
pool.shutdown();
assertThat(pool.awaitTermination(1, TimeUnit.HOURS)).isTrue();
assertThat((Long) conn.sync(LongCodec.INSTANCE, RedisCommands.GET, "test")).isEqualTo(100000);
conn.sync(RedisCommands.FLUSHDB);
}
private void ping(RedisConnection c, final FutureListener<String> pingListener) {
Future<String> f = c.async(RedisCommands.PING);
f.addListener(pingListener);
}
