benefits;The data processing strategy of middleware will make your basic service more stable and efficient;Storage-side The biggest problem we encountered when using hbase was that it caused some IO storms after the data was deleted, and there was a situation where the Phoenix0.4.0 ran out of CPU (0.4.2 has been resolved). Our solution for these situations is to have the table split in time. In other words, a table is rolling like a log file by time, and the benefit is that deleting old data w
vport:8083
Equalization algorithm: PI RR
Health Check: TCP
instance IP and port:IP 8083 for Localhost-01IP 8083 for Localhost-02
Other ports are set according to this setting, after the load balancing setup, it is necessary to mention Grafana configuration, if you want to achieve high availability of visual display, then the Grafana configuration data source must adopt the domain name + port way:The data security setting is complete.4 , Grafana interface configurationComple
, sort, uniq, tail, head to analyze the log, then you need to Splunk. Can handle the regular log format, such as Apache, squid, System log, Mail.log these. Index all logs first, then cross-query to support complex query statements. And then show it in an intuitive way. Logs can be sent to the Splunk server via file, or it can be transmitted in real time via the network. or a distributed log collection. In short, a variety of log collection methods are supported. Open source software: Http://ww
C # changes to monitoring attributes (which toys do big cats have ),C # Changing the attributes of the monitoring class (which toys are moved by the big cat). After the entity class is created, the attributes assigned to it in the method are assigned, when passed to the underlying method, how does one know which attrib
deploy agent, support process daemon: OWL's monitoring agent does not rely on the OS, easy to deploy, can support a variety of plug-ins, and with the help of the twin mechanism, the implementation of the process daemon;5. Parallel expansion of the underlying data storage: Select the parallel extensibility Good hbase, the upper layer using the TSDB package. Although this loss of flexible data query form, but for data storage, can be relatively good tr
What kind of monitoring tool is the most beloved of the Ops people?Which indicators need to be monitored? What can I monitor? How far can you monitor it? Perhaps these questions are not even clear to you. First look at the status of the Ops brothers.1 . Current status of operation and maintenanceThe traditional enterprise computer operation and maintenance is to notify the operation and maintenance personne
What kind of monitoring tool is the most beloved of the Ops people? which indicators need to be monitored? What can I monitor? How far can you monitor it? Perhaps these questions are not even clear to you. First look at the status of the Ops brothers. 1 . Current status of operation and maintenance the traditional enterprise computer operation and maintenance is to notify the operation and maintenance p
What kind of monitoring tool is the most beloved of the Ops people?Which indicators need to be monitored? What can I monitor? How far can you monitor it? Perhaps these questions are not even clear to you. First look at the status of the Ops brothers.1 . Current status of operation and maintenancethe traditional enterprise computer operation and maintenance is to notify the operation and maintenance personn
For Oracle, what other monitoring tools besides EM and Gridcontrol are available? Maybe precise is also a good choice. I saw a brother in the Forum a few days ago.
For Oracle, what other monitoring tools besides EM and Gridcontrol are available? Maybe precise is also a good choice. I saw a brother in the Forum a few days ago.
For Oracle, what other monitoring
First, glances:glances is a very good cross-platform performance monitoring tool that provides CPU, CPU queue, memory, virtual memory, network, I/O, and the list of processes that most occupy the server's resources.Indicator monitoring information, and at run time depending on the resource usage of different color labeling its importance, very intuitive, the foll
The application of Bubble chart in open source monitoring toolBubble Chart (bubble chart), which makes it easy to compare in two directions of rows and columns using a bubble chart . Bubble chart also clearly tell where big where is small, figure 1~ Figure 5 shows you several open source monitoring tools when using bubble chart of the application scenario. 650) t
T
F5
Show tree structure
F6
Select the Sort method
[
F7
Reduced nice value, run priority setting
]
F8
Widening the nice value, with reducing the opposite
K
F9
To pass a signal to a process
Q or CTRL + C
F10
End Htop
The glances of process management
With Htop, the tool should be installed on its
kilobytes (KB)
Amount of memory used (in kilobytes)
Number of packets received per second
Number of packets emitted per second
Total number of processes
How to use ScriptsTo run this script automatically, you need to set up a cron task and set the frequency of the operation according to the actual situation. I find it a good choice to run every five minutes. The script does not need to run as root, so we do not have to assign high permissions to it.If an item in the
context switching, resulting in less time for the CPU to do serious work, and the CPU not being fully utilized, is undesirable.5) Information about the CPU is: (CPU)US: CPU utilization in the user state during the specified time interval.SY: CPU utilization in the kernel mentality at the specified time interval.ID: The CPU idle time ratio during the specified time interval.WA: The CPU is idle for I/O during the specified time interval.Vmstat can be used to determine whether the work of a system
(Transferred from: http://www.cnblogs.com/zhuque/archive/2013/03/29/2988577.html)Mongostat is a state detection tool that is mongdb, and is used under the command line. It will take a fixed time to get the current running state of MongoDB and output. If you find that the database is suddenly slow or has other problems, your first-hand action is to consider using Mongostat to see the status of Mongo.Mongostat command format, of course, can also add par
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