ubuntu server performance monitor

issues, you can determine whether the network device is saturated through the throughput of the network device.9.sar-n tcp,etcp 1The SAR command is used here to view the status of the TCP connection, which includes: ACTIVE/S: The number of locally initiated TCP connections per second, both of which are created by the Connect call; PASSIVE/S: The number of TCP connections initiated remotely per second, that is, the TCP connection created through the accept call; RETRANS/S: Numbe

In Web site performance optimization, we often have to check the various indicators of the server in order to quickly find the black sheep. In most cases, we use monitoring software such as cacti, Nagois, or Zabbix, but this kind of software is cumbersome to install, and in a small server we want to find out as quickly as possible, or use some of the commands tha

instances process:paging File Bytes to monitor the size of virtual memory The more data stored in virtual memory, the greater the difference between the amount of physical memory and the actual demand, the value is only as a reference value, and if it is close to 100% for a long time, then the system is likely to be abnormal. Second, monitor SQL Server

2018 07:59:21 PM PST6 ************************************************************************/7 8#include"head.h"9 using namespacestd;Ten One BOOLdaemonize () { A //creating a new process and exiting the parent process can cause the child process to run in the background -pid_t PID =fork (); - if(PID 0)return false; the Else if(PID >0) Exit (0); - - //Empty the file mask so that the newly created file permission is mode0777 -Umask0); + - //create a new session and set t

LDAP has become a standard Internet Directory Access Protocol and is used to access all files from the DNS region to user account information. As enterprises and software vendors rely more on LDAP directory servers, it is imperative to measure the server throughput and performance. This article describes tools that can be used to monitor the running status and

Even if there are no thousands of methods, there will be hundreds of methods to improve the performance of the Exchange Server. The technologies they use include using Performance Monitor to optimize the location of databases and transfer logs, as well as finding and removing Windows bottlenecks. You can also use a str

as SharePoint and Dynamics CRM, set this setting to 1, which is recommended. For SharePoint LOB applications, when you see many CXPACKETS waiting types in your SQLSERVER server, You should consider setting this setting (Max Degree of Parallelism) to 1. Index fill factor If your SQLSERVER server has a very high transaction volume TPS (transaction per second) Your index has a relatively high fragmentation

INNER JOIN sys.indexes as B on PS. object_id = b.object_id and ps.index_id = B.index_idwhere Monitor system performance with Performance Monitor (Perfmon.exe)In order to capture SQL Server specific

Tags: des style blog http ar io color using SPSQL Server Performance Counter schema Introduction to Windows Performance counters The operating system can use the Performance Monitor graphical tool to measure performance