#include <signal.h> int main(){struct sigaction act, oldact;return 0;} dies with the message testgcc4.c: In function ‘main’:testgcc4.c:6: error: storage size of ‘act’ isn’t knowntestgcc4.c:6: error: storage size of ‘oldact’ isn’t known if I use -std
ES索引文件瘦身总结如下: 原始数据:(1)学习splunk,原始data存big string(2)原始文件还可以再度压缩倒排索引:(1)去掉不必要的倒排索引信息:例如文件位置倒排._source和field store选择之一(2)合并倒排文件,去掉一些冗余的小文件(3)原始数据big string存储后负责ES聚合功能的doc_values去掉(4)其他方面:倒排列表数据结构是skiplist本质是空间换时间,可考虑用有序数组存储. Strange that I haven't recei
std::array template < class T, size_t N > class array; Code Example #include <iostream> #include <array> #include <cstring> using namespace std; int main(int argc, char **argv) { array<int, 5> intArr = {1,2,3,4,5}; for(auto i
AutoMySQLBackup是一个开源的MySQL备份脚本.可以说它是一个轻量级的备份方案,AutoMySQLBackup的安装.配置非常简单.方便.AutoMySQLBackup的sourceforge上介绍有如它本身,也非常的简单: Description AutoMySQLBackup with a basic configuration will create Daily, Weekly and Monthly backups of one or more of your MySQL
案例环境: 操作系统版本: Red Hat Enterprise Linux Server release 5.7 64bit 数据库版本 : 5.6.19 MySQL Community Server AutoMySQLBackup: Automysqlbackup-v3.0_rc6 案例场景: AutoMySQLBackup 3.0版本备份时,出现告警错误"du: WARNING: use --si, not -H; the meaning of the -H option will soo
AutoMySQLBackup备份时,出现mysqldump: Got error: 1142: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'accounts' when using LOCK TABLES错误,具体内容如下所示 [root@DB-Server ~]# /usr/bin/automysqlbackup /etc/automysqlbackup/myserver.conf Pars
Reference: http://blogs.msdn.com/b/felixmar/archive/2011/02/14/partitioning-amp-archiving-tables-in-sql-server-part-1-the-basics.aspx Database partitioning is a feature available in SQL Server(version 2005 and Up) which lets you split a table among m