Redis的Java客户端Jedis的八种调用方式(事务、管道、分布式)介绍
package com.example.nosqlclient;import java.util.Arrays;import java.util.List;import org.junit.AfterClass;import org.junit.BeforeClass;import org.junit.Test;import redis.clients.jedis.Jedis;import redis.clients.jedis.JedisPoolConfig;import redis.clients.jedis.JedisShardInfo;import redis.clients.jedis.Pipeline;import redis.clients.jedis.ShardedJedis;import redis.clients.jedis.ShardedJedisPipeline;import redis.clients.jedis.ShardedJedisPool;import redis.clients.jedis.Transaction;import org.junit.FixMethodOrder;import org.junit.runners.MethodSorters;@FixMethodOrder(MethodSorters.NAME_ASCENDING)public class TestJedis {private static Jedis jedis;
private static ShardedJedis sharding;
private static ShardedJedisPool pool;
@BeforeClass public static void setUpBeforeClass() throws Exception {
List shards = Arrays.asList(
new JedisShardInfo("localhost",6379),
new JedisShardInfo("localhost",6379)); //使用相同的ip:port,仅作测试 jedis = new Jedis("localhost");
sharding = new ShardedJedis(shards);
pool = new ShardedJedisPool(new JedisPoolConfig(), shards);
}
@AfterClass public static void tearDownAfterClass() throws Exception {
jedis.disconnect();
sharding.disconnect();
pool.destroy();
}
@Test public void test1Normal() {
long start = System.currentTimeMillis();
for (int i = 0; i < 100000; i++) {
String result = jedis.set("n" + i, "n" + i);
}
long end = System.currentTimeMillis();
System.out.println("Simple SET: " + ((end - start)/1000.0) + " seconds");
}
@Test public void test2Trans() {
long start = System.currentTimeMillis();
Transaction tx = jedis.multi();
for (int i = 0; i < 100000; i++) {
tx.set("t" + i, "t" + i);
}
//System.out.println(tx.get("t1000").get()); List results = tx.exec();
long end = System.currentTimeMillis();
System.out.println("Transaction SET: " + ((end - start)/1000.0) + " seconds");
}
@Test public void test3Pipelined() {
Pipeline pipeline = jedis.pipelined();
long start = System.currentTimeMillis();
for (int i = 0; i < 100000; i++) {
pipeline.set("p" + i, "p" + i);
}
//System.out.println(pipeline.get("p1000").get()); List results = pipeline.syncAndReturnAll();
long end = System.currentTimeMillis();
System.out.println("Pipelined SET: " + ((end - start)/1000.0) + " seconds");
}
@Test public void test4combPipelineTrans() {
long start = System.currentTimeMillis();
Pipeline pipeline = jedis.pipelined();
pipeline.multi();
for (int i = 0; i < 100000; i++) {
pipeline.set("" + i, "" + i);
}
pipeline.exec();
List results = pipeline.syncAndReturnAll();
long end = System.currentTimeMillis();
System.out.println("Pipelined transaction: " + ((end - start)/1000.0) + " seconds");
}
@Test public void test5shardNormal() {
long start = System.currentTimeMillis();
for (int i = 0; i < 100000; i++) {
String result = sharding.set("sn" + i, "n" + i);
}
long end = System.currentTimeMillis();
System.out.println("Simple@Sharing SET: " + ((end - start)/1000.0) + " seconds");
}
@Test public void test6shardpipelined() {
ShardedJedisPipeline pipeline = sharding.pipelined();
long start = System.currentTimeMillis();
for (int i = 0; i < 100000; i++) {
pipeline.set("sp" + i, "p" + i);
}
List results = pipeline.syncAndReturnAll();
long end = System.currentTimeMillis();
System.out.println("Pipelined@Sharing SET: " + ((end - start)/1000.0) + " seconds");
}
@Test public void test7shardSimplePool() {
ShardedJedis one = pool.getResource();
long start = System.currentTimeMillis();
for (int i = 0; i < 100000; i++) {
String result = one.set("spn" + i, "n" + i);
}
long end = System.currentTimeMillis();
pool.returnResource(one);
System.out.println("Simple@Pool SET: " + ((end - start)/1000.0) + " seconds");
}
@Test public void test8shardPipelinedPool() {
ShardedJedis one = pool.getResource();
ShardedJedisPipeline pipeline = one.pipelined();
long start = System.currentTimeMillis();
for (int i = 0; i < 100000; i++) {
pipeline.set("sppn" + i, "n" + i);
}
List results = pipeline.syncAndReturnAll();
long end = System.currentTimeMillis();
pool.returnResource(one);
System.out.println("Pipelined@Pool SET: " + ((end - start)/1000.0) + " seconds");
}
}
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