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slice

Posted by 夏泽民 Sep 21, 2020

slice 三个属性 golang 的slice是一个指向底层的数组的指针结构体。 这个结构体有三个属性，1.指向数组指针，2.len： slice中元素的数量 3.cap：slice占用内存数量。 只有深刻理解这三个属性才能在使用slice中不至于犯错。

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索引失效的情况

Posted by 夏泽民 Sep 21, 2020

1.有or必全有索引;

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Debugging Go in prod using eBPF

Posted by 夏泽民 Sep 21, 2020

https://blog.pixielabs.ai/blog/ebpf-function-tracing/post/ https://github.com/iovisor/gobpf https://ebpf.io/

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Pebble

Posted by 夏泽民 Sep 21, 2020

https://www.cockroachlabs.com/blog/pebble-rocksdb-kv-store/

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rt0_go

Posted by 夏泽民 Sep 18, 2020

上文提到：一个 Go 程序启动的时候就会启动多个线程，而不是像一个C/C++程序那样只有一个线程用来执行 main 函数。

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