这个项目是作为开源的 BSD 许可收费的库,以及一个生成和解码 .zst 格式。 性能测试对比 Zstd 还可以压缩速度为代价提供更强的压缩比,Speed vs Rtrade 可以通过小增量进行配置。...使用技巧 主要介绍一些关于 zstd 工具的使用示例和参数解释 简单使用 # 将一个文件压缩成一个后缀为.zst的新文件 # 如果命令后面没有文件或文件为-的话,则读取标准输入 $ zstd file...# 在压缩操作后删除源文件 # 默认情况下,源文件在成功压缩或解压缩后不会被删除 $ zstd --rm file # 解压zst压缩包 $ zstd -d file.zst # 解压zst压缩包到标准输出...$ zstd -dc file.zst # 查看zst压缩包 $ zstd -l file.zst $ zstdcat file.zst 高级用法 # 输出详细信息 $ zstd -v file...$ zstd -v -d file.zst # 压缩一个文件同时指定压缩级别(19最高,0最低,3为默认) $ zstd -level file $ zstd -9 file # 使用更多的内存(压缩和解压时
@1.tsv.zst: Records: 128675 Deleted: 0 Skipped: 0 Warnings: 0 [Worker000] test@sbtest1@3.tsv.zst:...Deleted: 0 Skipped: 0 Warnings: 0 [Worker005] test@sbtest2@2.tsv.zst: Records: 165439 Deleted: 0...Skipped: 0 Warnings: 0 [Worker003] test@sbtest1@2.tsv.zst: Records: 160843 Deleted: 0 Skipped: 0...Warnings: 0 [Worker001] test@sbtest2@3.tsv.zst: Records: 165439 Deleted: 0 Skipped: 0 Warnings:...@4.tsv.zst: Records: 140737 Deleted: 0 Skipped: 0 Warnings: 0 [Worker005] test@sbtest2@6.tsv.zst:
操作系统层面 cpu监控 1[root@zst data]# sar -u 10 3Linux 2.6.32-642.el6.x86_64 (zst) 09/22/2017 _x86_64_ (8...nice %system %iowait %steal %idle10:26:54 AM all 0.55 0.00 0.41 5.61 0.03 93.40 内存监控 1[root@zst...data]# sar -r 10 3Linux 2.6.32-642.el6.x86_64 (zst) 09/22/2017 _x86_64_ (8 CPU)10:28:36 AM kbmemfree...data]# sar -b 10 3Linux 2.6.32-642.el6.x86_64 (zst) 09/22/2017 _x86_64_ (8 CPU)10:30:25 AM tps...data]# sar -w 10 3Linux 2.6.32-642.el6.x86_64 (zst) 09/22/2017 _x86_64_10:31:56 AM proc/s cswch
举例: 1.1 cpu 监控 [root@zst data]# sar -u 10 3 Linux 2.6.32-642.el6.x86_64 (zst) 09/22/2017 _x86_64_ (8...system %iowait %steal %idle 10:26:54 AM all 0.55 0.00 0.41 5.61 0.03 93.40 1.2 内存监控 [root@zst...data]# sar -r 10 3 Linux 2.6.32-642.el6.x86_64 (zst) 09/22/2017 _x86_64_ (8 CPU) 10:28:36 AM kbmemfree...%commit 10:28:46 AM 223084 32658252 99.32 143468 16549080 18774068 37.81 1.3 I/O 监控 [root@zst...data]# sar -b 10 3 Linux 2.6.32-642.el6.x86_64 (zst) 09/22/2017 _x86_64_ (8 CPU) 10:30:25 AM
https://repo.msys2.org/msys/x86_64/ 比如找到msys2-keyring的最新文件为msys2-keyring-1~20231013-1-any.pkg.tar.zst...和msys2-keyring-1~20231013-1-any.pkg.tar.zst.sig,于是执行下面命令将这两个签名文件下载到本地。...curl -O https://repo.msys2.org/msys/x86_64/msys2-keyring-1~20231013-1-any.pkg.tar.zst curl -O https:/.../repo.msys2.org/msys/x86_64/msys2-keyring-1~20231013-1-any.pkg.tar.zst.sig 等待两个文件下载完毕,接着执行下面命令验证并配置密钥环...-keyring-1~20231013-1-any.pkg.tar.zst 上面命令的执行结果最后一行如下所示,可见密钥环的失效时间已经延长到了2024-04-10。
hash partition tables #587 #588 https://github.com/radondb/radon/pull/588 可以动态的指定每个分表的数量 CREATE TABLE zst_bt..., "Range": "[0-64)" }, ... { "Query": "select a.Name, a.Population, a.CountryCode from \ zst.city...as a order by a.CountryCode asc ; 第二步执行:select b.language, b.IsOfficial, b.CountryCode \ from zst.clv2..._0000 as a, zst.countrylanguage as b where \ a.CountryCode = b.CountryCode limit 10", "Backend..._0063 as a,zst.countrylanguage as b where \ a.CountryCode = b.CountryCode limit 10", "Backend
UNIQUE KEY `u_user_id` (`user_id`) ) ENGINE=TokuDB DEFAULT CHARSET=utf8 利用load data写入数据 root@localhost [zst...(5 min 48.30 sec) Records: 200000000 Deleted: 0 Skipped: 0 Warnings: 0 计算一下每秒写入速度: root@localhost [zst...另外测试几种场景也供大家参考: 如果在TokuDB中使用带自增的主键,主键无值让MySQL内部产生写入速度,下降比较明显,同样写入2亿数据,带有自建主键: root@localhost [zst]>CREATE...`u_user_id` (`user_id`) -> ) ENGINE=TokuDB; Query OK, 0 rows affected (0.03 sec) root@localhost [zst
%eax movl %eax, (%esp) call __Z3addIiET_S0_S0_ movl %eax, -20(%ebp) movl $LC0, 4(%esp) movl $__ZSt4cout...endef __Z3addIiET_S0_S0_: pushl %ebp movl %esp, %ebp subl $24, %esp movl $LC1, 4(%esp) movl $__ZSt4cout..., (%esp) call __ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc movl $__ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0...回应的汇编如下 : __Z3addIiET_S0_S0_: pushl %ebp movl %esp, %ebp subl $24, %esp movl $LC1, 4(%esp) movl $__ZSt4cout..., T b)" << endl; return a + b; } 打印日志 cout << "调用函数模板 T add(T a, T b)" << endl; 对应的汇编内容 : movl $__ZSt4cout
UNIQUE KEY `u_user_id` (`user_id`) ) ENGINE=TokuDB DEFAULT CHARSET=utf8 利用load data写入数据 root@localhost [zst...min 48.30 sec) Records: 200000000 Deleted: 0 Skipped: 0 Warnings: 0 计算一下每秒写入速度: root@localhost [zst...另外测试几种场景也供大家参考: 如果在TokuDB中使用带自增的主键,主键无值让MySQL内部产生写入速度,下降比较明显,同样写入2亿数据,带有自建主键: root@localhost [zst]>CREATE...u_user_id` (`user_id`) -> ) ENGINE=TokuDB; Query OK, 0 rows affected (0.03 sec) root@localhost [zst
KEY `u_user_id` (`user_id`) ) ENGINE=TokuDB DEFAULT CHARSET=utf8 利用load data写入数据: root@localhost [zst...min 48.30 sec) Records: 200000000 Deleted: 0 Skipped: 0 Warnings: 0 计算一下每秒写入速度: root@localhost [zst...另外测试几种场景也供大家参考:如果在TokuDB中使用带自增的主键,主键无值让MySQL内部产生写入速度,下降比较明显,同样写入2亿数据,带有自建主键: root@localhost [zst]>CREATE...u_user_id` (`user_id`) -> ) ENGINE=TokuDB; Query OK, 0 rows affected (0.03 sec) root@localhost [zst
UNIQUE KEY `u_user_id` (`user_id`) ) ENGINE=TokuDB DEFAULT CHARSET=utf8 利用load data写入数据 root@localhost [zst...(5 min 48.30 sec) Records: 200000000 Deleted: 0 Skipped: 0 Warnings: 0 计算一下每秒写入速度: root@localhost [zst...另外测试几种场景也供大家参考:如果在TokuDB中使用带自增的主键,主键无值让MySQL内部产生写入速度,下降比较明显,同样写入2亿数据,带有自建主键: root@localhost [zst]>CREATE...`u_user_id` (`user_id`) -> ) ENGINE=TokuDB; Query OK, 0 rows affected (0.03 sec) root@localhost [zst
https://aur.archlinux.org/easyconnect.git cd easyconnect makepkg sudo pacman -U easyconnect-***.pkg.tar.zst...# 这里多半会 Fail updpkgsums # 更新 md5 makepkg sudo pacman -U easyconnect-***.pkg.tar.zst 或者直接下载官网的 deb
UNIQUE KEY `u_user_id` (`user_id`) ) ENGINE=TokuDB DEFAULT CHARSET=utf8 利用load data写入数据 root@localhost [zst...min 48.30 sec) Records: 200000000 Deleted: 0 Skipped: 0 Warnings: 0 计算一下每秒写入速度: root@localhost [zst...另外测试几种场景也供大家参考: 如果在TokuDB中使用带自增的主键,主键无值让MySQL内部产生写入速度,下降比较明显,同样写入2亿数据,带有自建主键: root@localhost [zst]>CREATE...`u_user_id` (`user_id`) -> ) ENGINE=TokuDB; Query OK, 0 rows affected (0.03 sec)root@localhost [zst
align 1 @_ZTISt13runtime_error = external constant ptr @_ZTISt9exception = external constant ptr @_ZSt4cerr...ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr...() #7 unreachable } declare void @_ZSt9terminatev() 引入catch后,调用f2的f1中也增加了对应的landingpad相关的过程。...() #7 unreachable } declare void @_ZSt9terminatev() declare noundef nonnull align 8 dereferenceable...() #8 unreachable } declare void @_ZSt9terminatev() ; Function Attrs: mustprogress noinline optnone
&& GCC_LIBS_URL="https://archive.archlinux.org/packages/g/gcc-libs/gcc-libs-10.1.0-2-x86_64.pkg.tar.zst...export LANG=$LANG" > /etc/profile.d/locale.sh \ && curl -LfsS ${GCC_LIBS_URL} -o /tmp/gcc-libs.tar.zst...\ && echo "${GCC_LIBS_SHA256} */tmp/gcc-libs.tar.zst" | sha256sum -c - \ && mkdir /tmp/gcc \...&& zstd -d /tmp/gcc-libs.tar.zst --output-dir-flat /tmp \ && tar -xf /tmp/gcc-libs.tar -C /tmp
2 .zst文件(分时图数据结构) http://www.cnblogs.com/same/articles/722400.html 通达信的zst的数据记录是每6508个字节为一天的数据,每26个字节为一个分钟的记录...该算法适用与所有通达信行情软件,如南方证券,鑫网通达信行情软件,并且价格的换算算法对通达信的day日数据里面的价格也适用 RMB zst数据 zst数据10进制 1¥对应的16进制间隔 人民币间隔 1
ebp), %eax //eax=[ebp-16], 即bar.val subl $8, %esp pushl %eax pushl $_ZSt4cout...call _ZNSolsEi addl $16, %esp subl $8, %esp pushl $_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0....L6 movl -20(%ebp), %eax subl $8, %esp pushl %eax pushl $_ZSt4cout...ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc addl $16, %esp subl $8, %esp pushl $_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0....L6 movl -16(%ebp), %eax subl $8, %esp pushl %eax pushl $_ZSt4cout
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