This Week I Learned - Week #44 2019
This Week I Learned -
* Each high scale VM size also has a specific IOPS limit that it can sustain. For example, a Standard GS5 VM has 80,000 IOPS limit.
* Azure Portal or PowerShell can be used to move a VM to a different subscription or another resource group. Subscription transfer in the Azure portal is available for certain subscription types
* Site Recovery provides test failovers to support disaster recovery drills without affecting production environments. You can run failovers with minimal data loss (depending on replication frequency) for unexpected disasters. In the scenario of migrating to Premium Storage, you can use the failover in Site Recovery to migrate target disks to a premium storage account.
* By default, when you enable disaster recovery for Azure VMs, Site Recovery creates target resources based on source resource settings. For Azure VMs configured with static IP addresses, Site Recovery tries to provision the same IP address for the target VM, if it's not in use. To reduce recovery time objective (RTO), company uses replica nodes for SQL Server Always On, domain controllers, etc. These replica nodes are in a different VNet in the target region, so that they can establish VPN site-to-site connectivity between the source and target regions.
* Cognizant and Orica worked together to bring down the RTO for Orica's SAP S/4HANA implementation to 4 hours and RPO to less than 5 minutes with the use of database specific technologies such as SAP HANA system replication and Azure Site Recovery. While Azure offers “Azure Site Recovery (ASR)” which replicates the virtual machines across the region, this technology is used at non-database components or layers of the system while database specific methods such as SAP HANA System Replication (HSR) are used at database layer to ensure consistency of databases - Azure Blog
* SAP workloads on Azure: planning and deployment checklist is designed for customers moving SAP NetWeaver, S/4HANA, and Hybris applications to Azure infrastructure as a service.
* "Due to continuing demand for resources in US East 2, we've placed restrictions on additional quota for some customers and are working directly with customers to provide them with the right options"
* Before containers and Docker came into the picture, the typical journey of enterprises adopting public/private clouds used to be — start with infrastructure virtualization (VMWare, EC2, OpenStack), build automation using infrastructure provisioning systems (CloudFormation, Heat, Terraform, Ansible), set up application deployment workflows on this infrastructure (CI/CD, PaaS).
* Kubernetes is Google’s third generation of container management
* Django is a high-level Python framework designed for rapid, secure, and scalable web development. You can create Django-based web apps & deploy from within VS Code.
* After his prison time, Frank Abagnale, the former teenage con artist who was the subject of the 2002 movie “Catch Me if You Can”, began working for the F.B.I., giving talks on scam protection, and writing books. He is donating all earnings from his latest book, “Scam Me If You Can,” to the AARP, in support of its efforts to educate older Americans about internet rip-offs - NYT
* Venezuela has the largest amount of proven oil reserves in the world.
* Gold is one of the rarest elements in the world, making up roughly 0.003 parts per million of the earth’s crust.
* Tantalum, previously known as tantalium, is a chemical element with the symbol Ta and atomic number 73. It is used in dental and surgical instruments and implants, as it causes no immune response. Tantalum is used in the electronics industry for capacitors and high power resistors. It is also used to make alloys to increase strength, ductility and corrosion resistance.
* As some of the prominent tier 2 cities have morphed into metros since 2014, taking the total number of metros to eight—Bengaluru, Hyderabad, Ahmedabad and Pune are the new additions to Delhi, Mumbai, Chennai and Kolkata—other tier 2 and 3 cities have risen to take their place.
* Porter.in aggregates local truck owners on to a single platform. It is by far the largest aggregator of light trucks in India.
* Based on India’s census data of 2011, there are 27 million people with special needs, in a population of 1.2 billion. This means that about 2.2% of our population has some or the other form of disability - MoneyLife
* India has the fourth highest number of malaria cases in the world.
* "We don't see things as they are, we see them as we are" - Anais Nin
* "Life shrinks or expands in proportion to one's courage." - Anais Nin
* Each high scale VM size also has a specific IOPS limit that it can sustain. For example, a Standard GS5 VM has 80,000 IOPS limit.
* Azure Portal or PowerShell can be used to move a VM to a different subscription or another resource group. Subscription transfer in the Azure portal is available for certain subscription types
* Site Recovery provides test failovers to support disaster recovery drills without affecting production environments. You can run failovers with minimal data loss (depending on replication frequency) for unexpected disasters. In the scenario of migrating to Premium Storage, you can use the failover in Site Recovery to migrate target disks to a premium storage account.
* By default, when you enable disaster recovery for Azure VMs, Site Recovery creates target resources based on source resource settings. For Azure VMs configured with static IP addresses, Site Recovery tries to provision the same IP address for the target VM, if it's not in use. To reduce recovery time objective (RTO), company uses replica nodes for SQL Server Always On, domain controllers, etc. These replica nodes are in a different VNet in the target region, so that they can establish VPN site-to-site connectivity between the source and target regions.
* Cognizant and Orica worked together to bring down the RTO for Orica's SAP S/4HANA implementation to 4 hours and RPO to less than 5 minutes with the use of database specific technologies such as SAP HANA system replication and Azure Site Recovery. While Azure offers “Azure Site Recovery (ASR)” which replicates the virtual machines across the region, this technology is used at non-database components or layers of the system while database specific methods such as SAP HANA System Replication (HSR) are used at database layer to ensure consistency of databases - Azure Blog
* SAP workloads on Azure: planning and deployment checklist is designed for customers moving SAP NetWeaver, S/4HANA, and Hybris applications to Azure infrastructure as a service.
* "Due to continuing demand for resources in US East 2, we've placed restrictions on additional quota for some customers and are working directly with customers to provide them with the right options"
* Before containers and Docker came into the picture, the typical journey of enterprises adopting public/private clouds used to be — start with infrastructure virtualization (VMWare, EC2, OpenStack), build automation using infrastructure provisioning systems (CloudFormation, Heat, Terraform, Ansible), set up application deployment workflows on this infrastructure (CI/CD, PaaS).
* Kubernetes is Google’s third generation of container management
* Django is a high-level Python framework designed for rapid, secure, and scalable web development. You can create Django-based web apps & deploy from within VS Code.
* After his prison time, Frank Abagnale, the former teenage con artist who was the subject of the 2002 movie “Catch Me if You Can”, began working for the F.B.I., giving talks on scam protection, and writing books. He is donating all earnings from his latest book, “Scam Me If You Can,” to the AARP, in support of its efforts to educate older Americans about internet rip-offs - NYT
* Venezuela has the largest amount of proven oil reserves in the world.
* Gold is one of the rarest elements in the world, making up roughly 0.003 parts per million of the earth’s crust.
* Tantalum, previously known as tantalium, is a chemical element with the symbol Ta and atomic number 73. It is used in dental and surgical instruments and implants, as it causes no immune response. Tantalum is used in the electronics industry for capacitors and high power resistors. It is also used to make alloys to increase strength, ductility and corrosion resistance.
* As some of the prominent tier 2 cities have morphed into metros since 2014, taking the total number of metros to eight—Bengaluru, Hyderabad, Ahmedabad and Pune are the new additions to Delhi, Mumbai, Chennai and Kolkata—other tier 2 and 3 cities have risen to take their place.
* Porter.in aggregates local truck owners on to a single platform. It is by far the largest aggregator of light trucks in India.
* Based on India’s census data of 2011, there are 27 million people with special needs, in a population of 1.2 billion. This means that about 2.2% of our population has some or the other form of disability - MoneyLife
* India has the fourth highest number of malaria cases in the world.
* "We don't see things as they are, we see them as we are" - Anais Nin
* "Life shrinks or expands in proportion to one's courage." - Anais Nin
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