High Scalability

DECEMBER 18, 2018

Who's Hiring? pMD is a fast­ growing , highly rated health care technology company that has been recognized as a Best Place to Work by SF Business Times, Modern Healthcare, and Inc. Senior DevOps Engineer : Your engineering work will focus on using your deep knowledge of the web stack including firewalls, web applications, caches and data stores ­ to create innovative infrastructure architectures that are resilient, scalable, and blazingly fast.

Healthcare 122

Healthcare Best Practices DevOps Cache 122

SQL Server According to Bob

DECEMBER 18, 2018

Overview. SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently.

Servers 90

Servers Media Cache Storage 90

Particular Software

DECEMBER 18, 2018

The wait is over! Today we’re releasing the new Azure Service Bus transport, which is fully compatible with NServiceBus 7 and.NET Core. You will now be able to run NServiceBus endpoints using Azure Service Bus anywhere. With the release of the new NServiceBus Azure Service Bus transport, we are now able to take full advantage of.NET Core and Azure. Getting up and running was simple and we don't have to worry about managing and maintaining queue databases anymore.

Transportation 49

Transportation Azure Benchmarking Availability 49

SQL Server Performance

DECEMBER 18, 2018

There are several for creating queries that return data from multiple tables. The one you choose depends on your data retrieval requirements and the underlying structure of the database. In this three part article series, I will demonstrate how to combine data from multiple tables by using UNION, INTERSECT, and EXCEPT. You’ll perform advanced queries […].

Servers 40

Servers Database Performance Tuning 40

SQL Server According to Bob

DECEMBER 18, 2018

I was asked to validate the SQL Server behavior in light of the error condition involving fsync/fdatasync outlined in this article. An example of the error: The application does a buffered write and receives success. ( This means data can be stored in file system cache, non-stable media. ) An fsync/fdatasync is used to make sure the data is stored in stable media.

Servers 40

Servers Media Cache Software Engineering 40

n0derunner

DECEMBER 18, 2018

How to improve large DB read performance by 2X. Nutanix AOS 5.10 ships with a feature called Autonomous Extent Store (AES). AES effectively provides Metadata Locality to complement the existing data locality that has always existed. For large datasets (e.g. a 10TB database with 20% hot data) we observe a 2X improvement in throughput for random access across the 2TB hot dataset.

Performance 40

Performance Cache Hardware Storage 40

SQL Server According to Bob

DECEMBER 18, 2018

When Creating, Renaming or Deleting (remove/unlinking) a file, Linux requires the direct parent directory to be synchronized. As documented in the manpage for fsync core changes to the directory require the directory itself to be synchronized. “Calling fsync does not ensure that the entry in the directory containing the file has also reached disk. For that an explicit fsync on a file descriptor for the directory is also needed.”.

Servers 40

Servers Software Engineering Engineering Software 40