“现在知道调整 socket limit 和 open file limit 优化”

其实我觉得你理解的优化和一般做的 linux 优化不是一回事。ulimit 和 open file 这些都是基本系统配置问题，修改了就可以了。

更多的优化是修改系统内核参数，比如 /etc/sysctl.conf 里的 net.core 和 net.ipv4 一类的，修改可能造成内核的不稳定。

随着业务量的增加，多搞几台机器更保险。随便修改内核的东西，危险性很大。

小众和工资高没有直接关系呀，更可能会找不到工作

总觉得是同人志，各种网络小说

https://www.elastic.co/guide/en/elasticsearch/guide/current/hardware.html#_memory

A machine with 64 GB of RAM is the ideal sweet spot, but 32 GB and 16 GB machines are also common. Less than 8 GB tends to be counterproductive (you end up needing many, many small machines)

https://golang.org/ref/spec#Assignments

Each left-hand side operand must be addressable, a map index expression, or (for = assignments only) the blank identifier. Operands may be parenthesized.

https://golang.org/ref/spec#Address_operators

For an operand x of type T, the address operation &x generates a pointer of type *T to x. The operand must be addressable, that is, either a variable, pointer indirection, or slice indexing operation; or a field selector of an addressable struct operand; or an array indexing operation of an addressable array. As an exception to the addressability requirement, x may also be a (possibly parenthesized) composite literal. If the evaluation of x would cause a run-time panic, then the evaluation of &x does too.

赋值的对象必须是 addressable，用 *T 吧

Dart 是门槛，不好进门

写的去

这个不单单是苹果的事情，是所有 intel 世代的事情

对物理硬件影响更大的，还是物理攻击，比如断电

比较纯粹的 http server，你还可以参考 https://github.com/h2o/h2o

会用动态的感觉，肯定是滥用空接口，反而写的折腾。

马云偶尔参与啥电影演马云，还是比较好的方式

还是喜欢蓝色

这个是写来玩吧