(https://p3-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/40c1ec3c699242f6846e0b85a2a797a6~tplv-k3u1fbpfcp-5.jpeg?)### `pre-main`在这个阶段,基本所有的工作都是由操作系统完成的,如果想要优化这段时间,就必须... 利用 `clang` 插桩获得启动时期需要加载的所有函数、block、swift 方法以及 c++ 构造方法的符号;- Xcode 的`Build Settings`配置`order file`即可;其中第一个步骤是关键步骤,其实核心就是利用 LLVM 内置的`Sa...
(https://lf3-volc-editor.volccdn.com/obj/volcfe/sop-public/upload_a8e8a61752eb6246ece1957201aef515.png)# 问题分析默认情况下,redis-cli 在连接到 Redis 时使用未加密的 TCP 连接。选项 Build_TLS=Yes 在 redis-cli 编译期间启用 SSL/TLS,支持SSL连接功能。# 解决方案### 1.编译redis-cli客户端```sh$sudo yum install gcc jemalloc-devel openssl-devel tcl tcl-devel clang wget$sudo wget http://download.redis...
(https://lf3-volc-editor.volccdn.com/obj/volcfe/sop-public/upload_a8e8a61752eb6246ece1957201aef515.png) # 问题分析默认情况下,redis-cli 在连接到 Redis 时使用未加密的 TCP 连接。选项 Build_TLS=Yes 在 redis-cli 编译期间启用 SSL/TLS,支持SSL连接功能。# 解决方案### 1.编译redis-cli客户端```sh$sudo yum install gcc jemalloc-devel openssl-devel tcl tcl-devel clang wget$sudo wget http://download...
tools newt-devel numactl-devel openssl -y# yum install patch pciutils-devel perl perl-ExtUtils-Embed pesign python3-devel python3-docutils redhat-rpm-config -y# yum install rpm-build sh-utils tar xmlto xz zlib-devel -y# yum remove kernel-plus-headers -y# yum install clang dwarves git kabi-dw libbabeltrace-devel libbpf-devel libcap-devel libcap-ng-devel libmnl-devel llvm openssl-devel p...
toDateTime('2019-06-15 23:00:00')) AS FarmHash, toTypeName(FarmHash) AS type;Result: plain%20text ┌─FarmHash─────────────┬─type───┐│ 16660843471760112397 │ UInt64 │└──────────────────────┴────────┘gccMurmurHashCalculates a 64-bit MurmurHash2 hash value using the same hash seed as gcc . It is portable between CLang and GCC builds. Syntax s...
(https://lf3-volc-editor.volccdn.com/obj/volcfe/sop-public/upload_a8e8a61752eb6246ece1957201aef515.png)# 问题分析默认情况下,redis-cli 在连接到 Redis 时使用未加密的 TCP 连接。选项 Build_TLS=Yes 在 redis-cli 编译期间启用 SSL/TLS,支持SSL连接功能。# 解决方案### 1.编译redis-cli客户端```sh$sudo yum install gcc jemalloc-devel openssl-devel tcl tcl-devel clang wget$sudo wget http://download.redis...
(https://lf3-volc-editor.volccdn.com/obj/volcfe/sop-public/upload_a8e8a61752eb6246ece1957201aef515.png) # 问题分析默认情况下,redis-cli 在连接到 Redis 时使用未加密的 TCP 连接。选项 Build_TLS=Yes 在 redis-cli 编译期间启用 SSL/TLS,支持SSL连接功能。# 解决方案### 1.编译redis-cli客户端```sh$sudo yum install gcc jemalloc-devel openssl-devel tcl tcl-devel clang wget$sudo wget http://download...
tools newt-devel numactl-devel openssl -y# yum install patch pciutils-devel perl perl-ExtUtils-Embed pesign python3-devel python3-docutils redhat-rpm-config -y# yum install rpm-build sh-utils tar xmlto xz zlib-devel -y# yum remove kernel-plus-headers -y# yum install clang dwarves git kabi-dw libbabeltrace-devel libbpf-devel libcap-devel libcap-ng-devel libmnl-devel llvm openssl-devel p...