AWS Lambda with Java

Based on Amazon AWS documentation, they don’t have much interest to support Java.
Documentation is poor. They like vendor lock in.

https://docs.aws.amazon.com/lambda/latest/dg/get-started-step4-optional.html


Good working example:
http://www.baeldung.com/java-aws-lambda
Code: https://github.com/eugenp/tutorials/tree/master/aws
https://maven.apache.org/plugins/maven-shade-plugin/plugin-info.html

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https://www.javaworld.com/article/3210726/application-development/serverless-computing-with-aws-lambda.html
https://www.sumologic.com/aws/lambda/how-to-write-aws-lambda-function-in-java8/

When there is no good support / intention from vendor, it is tough to start doing projects with them.

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Net Promoter Score (NPS)

The NPS Calculation
Calculate your NPS using the answer to a key question, using a 0-10 scale: How likely is it that you would recommend [brand] to a friend or colleague?

Respondents are grouped as follows:

Promoters (score 9-10) are loyal enthusiasts who will keep buying and refer others, fueling growth.
Passives (score 7-8) are satisfied but unenthusiastic customers who are vulnerable to competitive offerings.
Detractors (score 0-6) are unhappy customers who can damage your brand and impede growth through negative word-of-mouth.

Subtracting the percentage of Detractors from the percentage of Promoters yields the Net Promoter Score, which can range from a low of -100 (if every customer is a Detractor) to a high of 100 (if every customer is a Promoter).

Reference: https://www.netpromoter.com/know/

The IBM mainframe server

IBM Z14 Spec
https://www.ibm.com/us-en/marketplace/z14/specifications#product-header-top

https://www.ibm.com/support/knowledgecenter/

https://dancingdinosaur.wordpress.com/2016/02/04/exploiting-the-ibm-z13-for-maximum-priceperformance-advantage/

Mainframe concepts: https://www.ibm.com/support/knowledgecenter/zosbasics/com.ibm.zos.zmainframe/toc.htm

Mainframe customer List:
http://mainframes.wikidot.com/
Customer Count: https://www.salesinsideinc.com/services-details/ibm-mainframe-customers-list

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