刚装的ubuntu14.04配置完smbd发现service或者/etc/init.d/smbd restart都不显示任何输出,也没起作用 echo $?输出1,查看脚本发现 if init_is_upstart; then exit 1 fi 所有动作都被这句返回了 upstart好像是ubuntu新的服务管理方式,上官网查了下重启服务方法 sudo restart smbd
spark 2.4 spark sql中执行 set hive.exec.max.dynamic.partitions=10000; 后再执行sql依然会报错: org.apache.hadoop.hive.ql.metadata.HiveException: Number of dynamic partitions created is 1001, which is more than 1000. To solve this try to set hive.exec.max.dynamic.p
shows how to enable features in your pm2 config file that allow you to prevent runaway apps from bringing your server down. Setting max memory used, number of running processes allowed and maximum restart attempts are all covered. { "apps": [{ &
有道练习题"取得平均薪水最高的部门的部门编号(至少给出两种解决方案)", 为什么我给临时表分组后Max函数就无效了?不分组就可以,但是无法查询到DEPTNO,MySQL版本8.0+ SELECT T.DEPTNO, MAX(T.AVGSAL) FROM ( SELECT DEPTNO, AVG(E1.SAL) AS AVGSAL FROM EMP E1 GROUP BY DEPTNO ) T GROUP BY T.DEPTNO; 结果 +--------+---------------
目录 1 问题说明 2 修改max open files 3 修改max user processes 4 附录: ulimit命令说明 1 问题说明 Linux 系统默认的max open files = 1024, 在大内存服务器中, 如果运行负载比较大的程序, 很容易发生error: too many open files, 特别是提供大量静态文件访问的Web服务器.缓存服务器中这种错误更加常见. open files表示系统级别的能够打开的文件句柄的数量, 是系统级别的安全策略: 限制所
Installing on RPM-based Linux (RHEL, CentOS, Fedora, openSUSE) — RabbitMQ https://www.rabbitmq.com/install-rpm.html ulimit -n 1024 Controlling System Limits on Linux RabbitMQ installations running production workloads may need system limits and kerne
ref: https://www.thegeekstuff.com/2015/02/add-memory-cpu-disk-to-kvm-vm/ In our previous article of Linux KVM series, we explained how to Install Linux KVM and create a Guest VM. But, once you’ve created a Guest VM, you need to know how to perform so
Linux - 修改系统的max open files.max user processes(附ulimit的使用方法)目录 1 问题说明2 修改max open files3 修改max user processes4 附录: ulimit命令说明1 问题说明Linux 系统默认的 max open files = 1024, 在大内存服务器中, 如果运行负载比较大的程序, 很容易发生 error: too many open files, 特别是提供大量静态文件访问的Web服务器.缓存服务器
Virtual Memory technical specification This document details the internals of the Redis Virtual Memory subsystem. The intended audience is not the final user but programmers willing to understand or modify the Virtual Memory implementation. Keys vs V
http://dev.mysql.com/doc/refman/5.6/en/memory-use.html The following list indicates some of the ways that the mysqld server uses memory. Where applicable, the name of the system variable relevant to the memory use is given: All threads share the MyIS