If you want to know what your server is doing, you need to know some basic commands, and once you've mastered these commands, you're a professional Linux system administrator. IostatThe Iostat command is used to display detailed information about the storage system, which is typically used to monitor disk I/O conditions. Pay particular attention to the values in the Iostat statistics %iowait , which is too large to indicate that your system's storage
; - andspid @ @SPID and((P.program_name like 'sqlagent-tsql JobStep (Job%' and ISNULL(DATEDIFF(MI, P.last_batch,GETDATE()),0)> -) or(p.blocked 0 andP.waittime/1000.0/60.0 > -) )This leaves only the non-blocking but long-running SQL requests not being monitored. If you must be fully monitored, you can choose to turn on tracing and then analyze the trace file.two . dead LockDeadlock monitoring can be done by
to the disk or sent to the terminal client of the network) to display the monitoring row set.
An important guarantee of the way physical files store monitoring results is that no event can be missed, once IO is slowed down, it may affect the execution of the entire T-SQL.
SELECT*FROMsys.dm_os_wait_stats
WHEREwait_typeIN('SQLTRACE_LOCK','IO_COMPLETION');
I use this statement to monitor the impact o
SQL Server Performance Tuning methodology and common tools, SQL Server Tuning
In earlier articles, we mentioned the DETECT methodology in Performance Tuning. Here we will briefly review the DETECT methodology.
Discover the problem: found the problem
Lead e the conditions: Explore causes
Track down possible approaches: provides possible solutions
Execute the most
Monitor Linux server performance with Munin
Monitoring the performance of LINUX hosts is a complex operation, which depends on command line tools and centralized data. Analysis may be very difficult, and a large amount of data is required to establish a relationship to draw a conclusion. Fortunately, we can use some existing
This article describes the advantages and disadvantages of three Linux server monitoring technologies, including SNMP proxy (client), SSH, and private proxy (client) installation. The powerful functions and beautiful interfaces of the linux system make many enterprises use the linux system as the server. below are three types of introduction...
This article descr
Tags: blog http color io os using ar strong fileMonitoring preface In the previous section we mentioned the SQL event-based monitoring of MSSQL, but there are times when we need to be more detailed and suitable for tuning debugging. Visibility of running inside SQL Server is a possibility for query tuning, optimization, and comprehensive troubleshooting! This section is mainly about some of the ways and mea
Tags: style blog http color os io using AR strongOriginal: 0. SQL Server Monitoring ChecklistThe monitoring of database servers can be broadly divided into two categories:(1) Status monitoring: Is the database server running in a healthy way?(2) Performance
This article describes the advantages and disadvantages of three Linux Server monitoring technologies, including SNMP proxy (client), SSH, and private proxy (client) installation. The powerful functions and beautiful interfaces of linux make many enterprises use linux as servers. The following describes the advantages and disadvantages of the three Linux Server
The network environment is complex and it is difficult to ensure a 100% on-line rate. The webmaster, network administrator, and enterprise website administrator need to automatically monitor the network. Network Monitoring is as important as domain name, IP address, space, server, etc, we recommend that you automatically monitor each website and server.
:27:17Collectl.COLLECTL reports the statistics of the system in a similar dstat format; like Dstat, it collects statistical information about different resources of the system, such as processors, memory, and networks. A simple example given here shows how to use COLLECTL to report network usage/bandwidth.$ collectl-sn-ot-i0.5 Waiting for 0.5 second sample ... # Installing Collectl# Ubuntu/debian User $ sudo apt-get install collectl #Fedora $ sudo yum install CollectlConclusionThese easy-to-use
Tags: SQL Server 2014 log shipping13.3 Monitoring Log shippingAfter you deploy log shipping, you need to monitor information about the status of the log shipping server. The history and status of log shipping operations are always saved locally by log shipping jobs. The history and state of the backup operation is stored on the primary
Zabbix server installation and deployment of enterprise-level monitoring software zabbix
Zabbix has been applied online for more than half a year. I want to write down my experiences on zabbix's use in the production environment and some experiences, so that you can learn from them without detours!
Environment:Server: CentOS6.3 _ X86.64Zabbix: zabbix-2.0.8.tarZabbix_agents: zabbix_agents_2.0.8.linux2_6.amd6
user's MySQL database.The good news is that you can use tools to collect this information and send it automatically when the load is too high. How is it implemented? Start with the list of processes:Code:[[Email protected] ~]$ PS AUXWWWFI created a shell script based on a set of Perl scripts on the server that I used to manage. The combination of this script with other
NagiosThe Windows Server monitoring process is described as follows:
The biggest difference between NSClient and Nrpe is:
1. nrpe is installed on the monitored host and there are plug-ins. The final monitoring is performed by these plug-ins. When the monitoring host sends the monit
Original: SQL Server Tuning Series Advanced (query statement running several indicator value monitoring)ObjectiveIn the previous article, we analyzed how the query optimizer works, including: detailed operation steps of the query optimizer, analysis of filter conditions, optimization of index items, and other information.In this article we analyze the detection of several key indicator values in the course
How to deploy a server monitoring system using Monit
Many Linux system administrators rely on a centralized remote monitoring system (such as Nagios or Cacti) to check the health status of their network infrastructure devices. Although centralized monitoring makes life easier for administrators, dedicated
Turn Nmon monitor Linux Server system resourcesIn the actual testing process, LoadRunner monitoring Linux system resources are not very stable, often disconnected, so the following tools are generally used to monitor.: http://download.csdn.net/detail/hyzhou1121/3980069Nmon ToolsThe Nmon tool is a free IBM-provided tool for mo
Build a monitoring server using Nagios
Chapter 4 using Nagios to build a Monitoring Server
【About Nagios]
Nagios is an open-source application software for monitoring systems and networks. It is deployed on a server-client. That i
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