时间:2021-07-01 10:21:17 帮助过:40人阅读
? ? Transaction Pipeline 耗时(s) 测试一: N N 311 测试二: N Y 10 测试三: Y Y 7 测试四: Y N 10 ? 结论:Pipeline + Transaction方式是几种插入方式中性能最好的。虽然有点意外,但测试多次仍然是这个结论。 ? 测试代码如下: ? import org.apache.
?
? | Transaction | Pipeline | 耗时(s) |
测试一: | N | N | 311 |
测试二: | N | Y | 10 |
测试三: | Y | Y | 7 |
测试四: | Y | N | 10 |
?
结论:Pipeline + Transaction方式是几种插入方式中性能最好的。虽然有点意外,但测试多次仍然是这个结论。
?
测试代码如下:
?
import org.apache.commons.lang.RandomStringUtils; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPoolConfig; import redis.clients.jedis.Pipeline; import redis.clients.jedis.Transaction; public class RedisTransactionTest { private static String host = "xx.xx.xx.xx"; private static JedisPool pool = new JedisPool(new JedisPoolConfig(), host); private long rowCount = 1000000; // 100万 public static void main(String[] args) { long start = System.currentTimeMillis(); new RedisTransactionTest().noTransactionNoPipeline(); System.out.println("noTransactionNoPipeline use " + (System.currentTimeMillis() - start) / 1000); pool = new JedisPool(new JedisPoolConfig(), host); start = System.currentTimeMillis(); new RedisTransactionTest().pipelineWithoutTransaction(); System.out.println("pipelineWithoutTransaction use " + (System.currentTimeMillis() - start) / 1000); pool = new JedisPool(new JedisPoolConfig(), host); start = System.currentTimeMillis(); new RedisTransactionTest().pipelineWithTransaction(); System.out.println("pipelineWithTransaction use " + (System.currentTimeMillis() - start) / 1000); pool = new JedisPool(new JedisPoolConfig(), host); start = System.currentTimeMillis(); new RedisTransactionTest().transactionNoPipeline(); System.out.println("transactionNoPipeline use " + (System.currentTimeMillis() - start) / 1000); } public void pipelineWithoutTransaction() { Jedis jedis = pool.getResource(); try { Pipeline p = jedis.pipelined(); for (int i = 0; i < rowCount; i++) { String key = RandomStringUtils.randomAlphabetic(8); p.set(key, RandomStringUtils.randomNumeric(5)); p.expire(key, 5 * 60); } p.sync(); } catch (Exception e) { pool.returnResource(jedis); } } public void pipelineWithTransaction() { Jedis jedis = pool.getResource(); try { Pipeline p = jedis.pipelined(); p.multi(); for (int i = 0; i < rowCount; i++) { String key = RandomStringUtils.randomAlphabetic(8); p.set(key, RandomStringUtils.randomNumeric(5)); p.expire(key, 5 * 60); } p.exec(); p.sync(); } catch (Exception e) { pool.returnResource(jedis); } } public void noTransactionNoPipeline() { Jedis jedis = pool.getResource(); try { for (int i = 0; i < rowCount; i++) { String key = RandomStringUtils.randomAlphabetic(8); jedis.set(key, RandomStringUtils.randomNumeric(5)); jedis.expire(key, 5 * 60); } } catch (Exception e) { pool.returnResource(jedis); } } public void transactionNoPipeline() { Jedis jedis = pool.getResource(); try { Transaction tx = jedis.multi(); for (int i = 0; i < rowCount; i++) { String key = RandomStringUtils.randomAlphabetic(8); tx.set(key, RandomStringUtils.randomNumeric(5)); tx.expire(key, 5 * 60); } tx.exec(); } catch (Exception e) { pool.returnResource(jedis); } } }
?--end
?
?
原文地址:多种方式测试redis入库性能, 感谢原作者分享。