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Tech Tips, Tricks & Trivia

by 'Anil' Radhakrishna
An architect's notes, experiments, discoveries and annotated bookmarks.

Search from over a hundred HOW TO articles, Tips and Tricks


This Week I Learned - Week #225

This Week I Learned -

For SAP HANA on Azure that have been configured in a High Availability Pair, Microsoft guarantees connectivity to at least one instance at least 99.99% of the time.

* Large instances of SAP HANA on Azure, which are purpose-built hardware configurations for SAP HANA workloads that require memory sizes larger than 0.5 TB. Instances of SAP HANA on Azure are certified for SAP OLTP and OLAP applications in production, and for dev and test use of all scenarios (that is, non-production OLAP and OLTP). Spanning Azure Virtual Machines and purpose-built hardware, SAP HANA Large instances scale your SAP HANA workloads up to 32 TB on multimode configurations.

When you deploy two or more virtual machines to an availability set, Azure guarantees that at least one of those machines will be accessible 99.95% of the time. This SLA, however, does not extend to the software running on the virtual machines nor does it guarantee that the website or database will be available.

A pre-sales engineer needs to identify customer requirements, design a product set or solution to meet those requirements, evangelize the proposed solution, and adjust the solution as necessary with the customer. 

* Iran, China & Saudi Arabia are among the top 10 countries that aggressively censor Internet for their citizens

* China has a huge tribe of people called the "50 cent party" who tend to manipulate the social media by posting millions of comments favouring the viewpoint of the Government & the Communist Party

* William Playfair who invented the pie chart, the bar graph, and the line graph wasn’t so much an inventor as an intellectual remixer. Playfair died in 1823, “in poverty in relative obscurity, banned from any good society” - Atlas Obscura

* During 2015-16, there were only 55.9 million people in India who paid income tax. Last year, the tax department had added 9.1 million taxpayers, expanding the base to 65 million.

* The government has created a Pradhan Mantri Jeevan Jyoti Bima Yojana — a term life insurance policy. In 2016-17, the second year of its operation, claims under this scheme exceeded premiums by 21%, making it unsustainable. An even worse outcome afflicted the Pradhan Mantri Suraksha Bima Yojana, which provides payment of Rs 2 lakh for accidental deaths or grievous injuries. In this case, claims were a whopping 70% higher than premiums. By contrast, private insurance companies with similar insurance policies have a claims rate less than half the premiums - Swaminomics

The Indian information technology-business process management (IT-BPM) sector contributes 56 per cent in the total global outsourcing market, and accounts for the largest share in India’s services export (45 per cent). In 2015, the sector contributed around 9.3 per cent to India’s gross domestic product (GDP).

* The Indian Railways network is spread over 108,706 km, with 12,617 passenger and 7,421 freight trains each day from 7,172 stations plying 23 million travellers and 3 million tonnes (MT) of freight daily.

Mani Shankar Aiyar is generous with praise but is also a great believer in the power of public humiliation. He once said that was the only trait he had in common with former chief election commissioner T N Seshan: both believed in obnoxiousness as a management tool.

* Before Nawaz Sharif, 17 prime Ministers were removed unceremoniously from office in Pakistan.

* The stripes on each tiger are unique, just like human prints are. The animal uses its urine to mark is territory.

* The Shard is the tallest building in Europe. The 87 storied skyscraper, took 3 years to complete and cost 435 million pounds 

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