How to use your heart to keep the application alive?
Suppose I have an application X, if I just call something similar, it will be monitored:
erl -boot X- heart -env HEART_BEAT_TIMEOUT
Tag: use
Manage HeartBeat using CRM
Heartbeat is a highly available cluster system based on Linux open source and widely used. It mainly includes two highly available cluster components, heartbeat service and resource takeover. The r
Performance – When I use a thread, why will my Perl script slowly decompress the file?
So I run perl 5.10 on core 2 duo macbook pro compiled with thread support: usethreads = define, useithreads = define. I have a simple script to read 4 gzip files , Each file contains 750,000 lines.
Performance – How to use JMeter to simulate 1000 concurrent users
Is it possible to simulate 1000 to 10000 users to jmeter?
If so?
Only test 1k users in 1 thread group:
Thread users = 1000,
Acceleration = 10, which means it will test 1000 users
Performance – Use O (1) Performance to initialize n element array?
Does anyone know what I should do?
Thank you
http://eli.thegreenplace.net/2008/08/23/initializing-an-array-in-constant-time/
Does anyone know what should I do?
Thank you
Use the default value to retrieve the parameters called function
Is there a way to retrieve function parameters that are not specified in the function call from the evaluation formula?
For example, consider calling seq(1,10). If I want to get the first par
Performance – Normal Operation Time using Graphite Grafana Measurement Services
My question is a bit philosophical: How do you calculate the uptime of a process based on its Graphite metrics?
I have many instances of jvm-process (Apache Spark). Everyone reports metrics t
Use ColdFusion to search for LinkedIn Group discussion
I was asked by a client to extract the latest posts in their LinkedIn group to one of our website pages.
I am using ColdFusion 9 for development, And have researched these few days, and decid
ProtO-BUF serialization using Obfuscation
I am looking for some guidance on what happens when using the obfuscated prototype buf network (Dotfuscator). Half of the project is a DLL, and the other half is an EXE elsewhere, using proto- buf
R Parallel, will you create a new cluster every time you use Parallel Apply?
I use the parLapply function on 20 cores. I think other functions such as parSapply are the same…
First, pass a cluster as a parameter Is it bad practice to give a function so that the func