通过消息的分区和位移来判断消息是否被消费。或者对性能要求不高的话，可以考虑接入事务来处理。kafka消息幂等: Producer 发送事务消息:先设置幂等参数: enable...
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IP属地：浙江
DFA在wiki上面的解释是“确定有限状态自动机或确定有限自动机(deterministic finite automaton， DFA)是一个能实现状态转移的自动机”。这里...
You are responsible for managing a project that deals with laying out a freeway connect...
Your team is in its second month of development.You are managing a software development...
kafka使用的零拷贝底层是使用了一个叫DMA(Direct Memory Access)的技术来实现的。传统上，我们的一个一般是有如下几个步骤: 读取内容，将内容加载到内核...
You are in charge of managing a software development project which is related to simula...
今天看了一下Lettuce的源码，就学习一下这个流程，简单说明一下，这个流程是比较复杂。对于这部分的学习，我是通过源码的ConnectToRedisCluster.java入...
John is managing a project.The project is about three fourths done when the site engine...
Rather than use Triangular Distribution while doing Three Point Estimation you choose t...
A project manager discovers that the critical ratio is 0.7. What does this indicate?A. ...
A project team meeting is scheduled in direct conflict with a senior manager's team-bui...
A key project team member requests to leave the company for personal reasons. Thiswill ...
A project management office (PMO) is presented with three project choices forimplementa...
A company provides the following annual data for the cost of quality (COQ):To reduce ov...
During a project’s testing phase,the project team learns of a software tool that could ...
After a product is released for user acceptance testing, several defects are found. Thi...
Based on the design and the customer's criteria, new equipment being imported fromanoth...
In a weekly meeting, a project team member reports that they are unaware of what task i...
Three months into a nine-month project, the company asks a key technical consultant tot...
A new warehouse is ready for operations. Before operations begin, the project manager m...