What is the CloudWatch retention period of all metrics?

by XDK 16. August 2019 08:13


CloudWatch retains metric data as follows:

1. Data points with a period of less than 60 seconds are available for 3 hours. These data points are high-resolution custom metrics.
2. Data points with a period of 60 seconds (1 minute) are available for 15 days
3. Data points with a period of 300 seconds (5 minute) are available for 63 days
4. Data points with a period of 3600 seconds (1 hour) are available for 455 days (15 months)

CloudWatch does not support metric deletion. Metrics expire based on the retention schedules described above.



Amazon Web Service

How to connect Azure subscription with Azure DevOps project?

by XDK 16. August 2019 02:41


Open Azure DevOps project portal --> Project settings --> Service connections (under Pipelines category) --> New service connection --> Azure Resource Manager Service connection

Enter the details

 Enter Azure credential


Azure Native DevOps | Microsoft Azure Services

Python Operator Precedence

by XDK 12. August 2019 06:10

Note: Operators in the same row are evaluate left to right except ** (Exponentiation) which is right to left binding



Formating in Notepad ++

by XDK 9. August 2019 16:22

To format the below numbers


  • Press Ctrl+H
  • Select Search mode Extended(\n, \r, \t, \o, \x...)
  • Enter Find what: \r\n
  • Enter Replace with: ,
  • Replace_All




Essential Installs to setup python development environment

by XDK 9. August 2019 15:09

Install commands:

Generic update:
sudo apt update

mySQL client install:
sudo apt install mysql-client

** mySQL login command **
mysql -h <RDS endpoint> -u <user name> -p <password>

apache server install:
sudo apt install apache2

python essentials install:
sudo apt install python3

** Refer here for pip install **

sudo apt-get purge python-pip
wget https://bootstrap.pypa.io/get-pip.py
sudo python get-pip.py

sudo apt install python-pip
sudo pip install mysql-connector-python
sudo pip install pymysql

sudo pip install boto3

** Boto3 is the Amazon Web Services (AWS) Software Development Kit (SDK) for Python, which allows Python developers to write software that makes use of services like Amazon S3 and Amazon EC2. You can find the latest, most up to date, documentation at our doc site, including a list of services that are supported. **


Amazon Web Service | General | Python

About the author

My name is Xavier Dilip Kumar Jayaraj having 16+ years of IT experience which includes solid experience and depth Knowledge in Application Life Cycle Management, Configuration Management, Implementation and Support using TFS on-premises and Azure DevOps. I have invested in gaining DevOps knowledege to expertise with Cloud Computing providers namely Microsoft Azure and Amazon Web Services in recent years. I am very positive to learn and adapt emerging technologies to client’s environment.

Microsoft Certified: Azure Administrator Associate

Microsoft Certified: Azure DevOps Engineer Expert

DevOps Engineer Certificate Program | Transcript 

OTP-AWSD5: AWS IoT: Developing and Deploying an Internet of Things

[PCEP-30-01] PCEP – Certified Entry-Level Python Programmer

Quotes I Like

"Failure will never overtake me if my determination to succeed is strong enough."  - Dr. APJ. Abdul Kalam

"Always be yourself, express yourself, have faith in yourself, do not go out and look for a successful personality and duplicate it." - Bruce Lee

"Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important." - Bill Gates

"Innovation distinguishes between a leader and a follower." - Steve Jobs



The information provided here is based on my expreriences, troubleshooting and online/offline findings. It can be used as is on your own risk without any warranties and I impose no rights.