攻击可以远程进行，并且中等数量的请求就会导致内存和CPU占用率显著提高。
The attack can be done remotely and with a modest number of requests leads to very significant memory and CPU usage.
对于只涉及少量到中等数量的行的查询，两个测试数据库之间的性能差异可以忽略不计。
For queries that touch only a small to medium number of rows, the performance difference between the two test databases was negligible.
应用程序队列中等待处理的消息数量。
Number of messages that are on the application queue waiting to be processed.
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