执行siege -c 1000 -r 10 。。。。。。 如题，压力测试结果如下： Transactions: 99992 hits Availability: 99.99 % Elapsed time: 1656.57 secs Data transferred: 349.78 MB Response time: 15.96 secs Transaction rate: 60.36 trans/sec Throughput: 0.21 MB/sec Concurrency: 963.60 Successful transactions: 99992 Failed transactions: 8 Longest transaction: 17.11 Shortest transaction: 0.12

压力测试的结果要如何分析？需要关注哪些参数？？