Daily Tech Pills

Enterprise application development | Design patterns | Cloud | System design | Open source | Practical DSA | Managed by @manishbnsal

[Daily Tech Pills @dailytechpills]

At Infosys Helix, we are constantly innovating solutions for age-old problems in the healthcare industry. #WeAreHelix and here is how we are #EmpoweringBetterCare. https://t.co/C9t3Kbq7nf

[Daily Tech Pills @dailytechpills]

Virtual threads are also user mode threads. They have been introduced in #jdk19 as part of project loom. It employs M:N scheduling where large number of (M) virtual threads use small number of (N) OS threads.

[Daily Tech Pills @dailytechpills]

#dailytechpills #5
Green threads vs Platform threads vs Virtual threads #java #jdk19

[Daily Tech Pills @dailytechpills]

Platform threads are simply wrapper around OS threads. Java Thread class instance is a platform thread under the hood.

[Daily Tech Pills @dailytechpills]

(4/4) Maintainability has many facets, but in essence it’s about making life better for the engineering and operations teams who need to work with the system. Good operability means having good visibility into the system’s health, and having effective ways of managing it.

[Daily Tech Pills @dailytechpills]

#dailytechpills #4 what is reliability, scalability and maintainability of a software system. A thread 🧵(1/4).

[Daily Tech Pills @dailytechpills]

(3/4) Scalability means having strategies for keeping performance good, even when load increases. In order to discuss scalability, we first need ways of describing load and performance quantitatively. Scalability can be improved either by horizontal or vertical scaling.

[Daily Tech Pills @dailytechpills]

Command line args:
1. It is passed as array of strings to the program while invoking it.
2. Syntax to pass command line argument is "java -jar helloworld.jar arg1 arg2"
3. It can be consumed from the variable passed to the main program "public static void main (String args[])"

[Daily Tech Pills @dailytechpills]

#dailytechpills #3
Difference between Environment variable, System property/vm Argument and Program argument/command line argument in a java program.

Syntax to call program:
var1=val1 var2=val2 java -jar -Dprop1=val3 -Dpro2=val4 -helloworld.jar arg1 arg2

Program:

[Daily Tech Pills @dailytechpills]

System property/vm argument:
1. Its a key value pair passed to the program while invoking it.
2. Syntax is "java -jar -Dprop1=val3 -Dprop2=val4 helloworld jar"
3. It can be consumed in a java program using"System.getProperty("prop1");". 4. Purpose is to configure Vms.

[Daily Tech Pills @dailytechpills]

Was it useful?

[Daily Tech Pills @dailytechpills]

#dailytechpills What is storage engine? How is it different from database management system? A thread 🧵 (1/5)

[Daily Tech Pills @dailytechpills]

Being a modular component, storage engines can be swapped in a database depending on a particular usecase. E.g. Mysql supports multiple storage engines like InnoDB, MyISAM, and RocksDB (in the MyRocks distribution). (5/5)

[Daily Tech Pills @dailytechpills]

#NewProfilePic