postgres performance monitoring

1. Overview monitoring is an indispensable part in checking system problems or optimizing system performance. The operating system monitoring tool monitors the usage of operating system resources and indirectly reflects the running status of each server program. The analysis based on the running results can help us quickly locate the system... information nb 1.

Recently encountered with a jboss performance problem, in order to troubleshoot the problem convenient, decided to open JMX, using jconsole for real-time monitoring to analyze performance. The configuration steps are as follows:For details see: https://docs.jboss.org/author/display/WFLY8/JMX+subsystem+configuration1, configure the service side:A, the Analysis Wil

and provide "awr,ash,sql in the Oracle database monitor"and many other diagnostic tools, you can see through what the database is doing, and even know the performance load of any time zone in the last 30 days and what the database is doing.Although there are excellent monitoring tools like "zabbix,pmm" in MySQL, they can only reflect some performance data curves

Linux system performance and use of activity monitoring tool-Sysstat Sysstat is indeed a convenient tool for monitoring system resources, system performance, and usage activities. The sysstat package is used more or less in our daily basic tools. It also provides a tool that can use cron for scheduled operation to coll

Analyzer or packet sniffer program-to capture or filter TCP/IP packets received or transferred from a specific interface on the network. It also saves the captured package to a folder. Tcpdump can be used on all major Linux distributions.5.netstat--Network StatisticsNetstat is a command-line tool for monitoring incoming and outgoing network packet information and interface information statistics. It is useful for system administrators to use it to mo

of setting method and level, one is by adding –slowms boot parameter configuration. The second is to invoke Db.setprofilinglevel with the second argument: Db.setprofilinglevel (level, SLOWMS) 2. Query Profiling Records Unlike MySQL's slow query log, the MongoDB profile record is directly present in the system DB, and the record location is System.profile, so we'll just have to check the collection record to get our profile records. List profile records with execution times longer

Label:Original: SQL Server Automation Operations series-Monitoring Performance metrics script (Power Shell)Requirements DescriptionGenerally in the production environment, sometimes need to automatically detect the status of the indicator value, if there is an exception, need early warning, such as e-mail notification, this article is introduced if the power shell to achieve status value monitoringRange of

the following main properties: Name: Disk namesDisktransferspersec: The number of disk transfers per second.Diskreadbytespersec: The amount of data read from disk per second, in bytes.Diskwritebytespersec: The amount of data read from disk per second, in bytes.PercentFreeSpace: Percentage of available disks. 3, the use of win32_perfformatteddata_perfdisk_logicaldisk considerations When using Win32_perfformatteddata_perfdisk_logicaldisk, you need to be aware of: (1) You cannot use objWMIServ

The topas command of AIX performance monitoring parses the most comprehensive dynamics of the operating system in detail, and the convenient performance view is the topas command. The topas output is used as an example below, briefly describe the performance monitoring of th

More and more attention has been paid to the concept of devops in recent years, and more and more software is available in addition to the traditional Splunk,zabbix external open source field. From data collection, time series database, graphic display and other major aspects have a variety of extensible software to build a data monitoring platform ( Detailed list ), Logstash+elasticsearch+kibana is written more, this article will focus on business

Linux disk performance monitoring In linux, many commands for viewing processes are also very powerful. Commonly Used Commands include: ps top However, the disk performance monitoring is not so uniform. The following lists some disk monitoring commands, which only serve as a

The commands for viewing a process are very large and powerful under Linux. Often used such as: PS TopHowever, there is less uniformity in disk performance monitoring.Some disk monitoring commands are listed below. Here is just a starting point, the specific use of reference please refer to the Man manual.One DFThe DF command gets the amount of space that the hard disk is taking up. It also shows how much s

Reprint, original link http://www.webryan.net/2013/02/web-page-test-based-on-phontomjs/1. Web Performance Monitoring Background descriptionIn the previous issue of the "Web performance monitoring automation exploration of the road-the first knowledge webpagetest" from the perspective of dependence on webpagetest to do

All the content in this article is based on JDK 5, which may be different if JDK 6 is used.In the past few days, we have done some performance monitoring work, some of which are worth recording:JDK itself provides many tools based on command lines and guis. It is very useful to learn to apply them rationally.Jmap is a command line program that is used to view the number of objects in the JVM. directly input

The JDK provides us with a range of JVM performance monitoring and troubleshooting tools, which are documented here based on learning progress. Easy to read later1.JPS Virtual Machine Process ToolSimilar to the PS command in Linux systems for viewing virtual machine processes, the following features are commonly usedJps-l Show virtual machine process ID and process main classJps-q shows only the process ID

: Number of bytes sent per secondRXCMP/S: Compressed packets received per secondTXCMP/S: Compressed packets sent per secondRXMCST/S: Multicast packets received per secondb) Sar-n Edev 2 10Linux 2.6.18-53.el5pae (Localhost.localdomain) 03/29/200901:42:18 AM IFACE rxerr/s txerr/s coll/s rxdrop/s txdrop/s txcarr/s rxfram/s rxfifo/s txfifo/s01:42:20 AM Lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0001:42:20 AM eth1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0001:42:20 AM sit0 0.00 0.00 0.00 0.00 0.00

Recently built a more private blog, because it is a foreign VPS, so want to test the visit time around.Turn around and find this: Listen to the Cloud CDN.Of course, not to listen to the Cloud CDN, but began to try to listen to the cloud server. What does listening to the cloud do? Listen to the Cloud app: monitor crashes, connection timeouts, memory leaks, and more during mobile app usage. Listen to Cloud server: monitor the efficiency and performance