Rigor

SEPTEMBER 11, 2019

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rick Byers.

Performance 89

Performance Education Google Website 89

High Scalability

JANUARY 11, 2022

When the server receives a request for an action (post, like etc.) from a client it performs two parallel operations: i) persisting the action in the data store ii) publish the action in a streaming data store for a pub-sub model. When the server receives a request for an action (post, like etc.) High Level Design. Architecture.

Design 334

Design Media Storage Logistics 334

SQL Server According to Bob

AUGUST 3, 2018

Imagine you have a group on your domain [CONTOSOgroup] which has a member [CONTOSOuser], and the [CONTOSOgroup] has login permissions to a SQL Server instance. Running “DROP LOGIN [CONTOSOgroup]” we expected that the [CONTOSOuser] would no longer have access to SQL Server. create a login) or they reset their connection (e.g.

Servers 40

Servers Software Engineering Cache Engineering 40

SQL Server According to Bob

OCTOBER 17, 2019

When executing a query to enumerate the locks, such as select * from sys.dm_tran_locks, how does SQL Server scan the locks and avoid impacting the overall concurrency? I recently posted on aspects of the SQL Server Lock Manager and found the iteration of the locks interesting as I was stepping in the code. link] [link].

Servers 40

Servers Software Engineering Database Monitoring 40

SQL Server According to Bob

JULY 31, 2018

Update Oct 2018 – SQL Server 2019 CTP 2.0. SQL Server 2019 changes the DELTE On CLOSE behavior used on Linux installations. Only currently open file descriptors may continue to perform reads, writes and fstat activities. Bob Dorr – Principal Software Engineer SQL Server. Restart the VM.

Servers 40

Servers Software Engineering Systems Monitoring 40

High Scalability

APRIL 14, 2020

Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). this is going to be a challenging journey for any backend engineer! T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Try out their platform. Apply here.

Education 105

Education Software Engineering Scalability Engineering 105

High Scalability

MAY 12, 2020

Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). this is going to be a challenging journey for any backend engineer! T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Try out their platform. Apply here.

Education 102

Education Software Engineering Scalability Engineering 102

High Scalability

MARCH 24, 2020

Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). this is going to be a challenging journey for any backend engineer! T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Who's Hiring? Apply here.

Education 105

Education Software Engineering Engineering Big Data 105

High Scalability

APRIL 28, 2020

Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). this is going to be a challenging journey for any backend engineer! T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Try out their platform. Apply here.

Education 102

Education Software Engineering Scalability Engineering 102

SQL Server According to Bob

FEBRUARY 22, 2018

Prior to SQL Server 2017 CU4 for Linux (Linux only) the generation of a sequential UUID may not function as expected. SQL Server’s NewSequentialId () calls the Windows API UuidCreateSequential , which is limited in SQLPAL, prior to the CU 4 update. Server B may be generating uuids that sort before those from Server A.

Servers 40

Servers Software Engineering Database Network 40

High Scalability

MARCH 30, 2020

Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). this is going to be a challenging journey for any backend engineer! T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Try out their platform. Apply here.

Education 105

Education Software Engineering Engineering Big Data 105

High Scalability

MAY 26, 2020

Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). this is going to be a challenging journey for any backend engineer! T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Try out their platform. Apply here.

Education 100

Education AWS Software Engineering Scalability 100

SQL Server According to Bob

JUNE 9, 2017

As many of us have documented, for years, a sleeping, awaiting command, session is a session waiting on the client to submit a TSQL command to the SQL Server. The client must send a command to SQL Server or the SQL Server status is ‘awaiting command’ for the session. Bob Dorr – Principal Software Engineer SQL Server.

Servers 40

Servers Software Engineering Engineering Software 40

SQL Server According to Bob

JUNE 22, 2016

Prior to SQL Server 2016 the trace flag –T8048 is used to upgrade (only) NUMA partitioned, CMemThread objects to CPU partitioned based objects. Recommendation Unchanged: Prior to SQL Server 2016 enable –T8048 on larger systems. Trace flag –T8048 longer exists in SQL Server 2016. Instead the design of CMemThread was updated.

Servers 40

Servers Azure Software Engineering Design 40

SQL Server According to Bob

JANUARY 28, 2018

Note: SQL Server can be a client using a linked server, allowing SQL Server to become an APP and/or an RM ). DtcGetTransactionManager contacts the host, performing a remote registry access to determine the connection and proxy information. Once the connection to SQL Server is established the APP executes the odbc!

Servers 40

Servers Azure Engineering Java 40

SQL Server According to Bob

JUNE 6, 2016

As indicated, SQL Server 2016 added the use of SSE and AVX instructions in various code paths to improve performance. This post will outline SQL Server’s decisions around SSE/AVX or software algorithm use. Bob Dorr – Principal Software Engineer SQL Server. Reference APIs such as: CryptDecrypt.

Servers 40

Servers Hardware Software Engineering Software 40

High Scalability

MARCH 17, 2020

Sisu Data is looking for machine learning engineers who are eager to deliver their features end-to-end, from Jupyter notebook to production, and provide actionable insights to businesses based on their first-party, streaming, and structured relational data. PA File Sight monitors file access on a server in real-time. Apply here.

Education 105

Education Engineering Java Software Engineering 105

High Scalability

MARCH 3, 2020

Sisu Data is looking for machine learning engineers who are eager to deliver their features end-to-end, from Jupyter notebook to production, and provide actionable insights to businesses based on their first-party, streaming, and structured relational data. PA File Sight monitors file access on a server in real-time. Apply here.

Education 114

Education Games Engineering Java 114

SQL Server According to Bob

MAY 23, 2017

SQL Server limits the background tasks to a total of five (5) tasks to avoid flooding the scheduler with deadlock output tasks. As soon as I issued the dbcc traceoff(1222,-1) my server returned to expected behavior. Bob Dorr – Principal Software Engineer SQL Server.

Servers 40

Servers Software Engineering Monitoring Design 40

High Scalability

FEBRUARY 18, 2020

Sisu Data is looking for machine learning engineers who are eager to deliver their features end-to-end, from Jupyter notebook to production, and provide actionable insights to businesses based on their first-party, streaming, and structured relational data. PA File Sight monitors file access on a server in real-time. Apply here.

Education 113

Education Games Engineering Java 113

High Scalability

FEBRUARY 9, 2020

Sisu Data is looking for machine learning engineers who are eager to deliver their features end-to-end, from Jupyter notebook to production, and provide actionable insights to businesses based on their first-party, streaming, and structured relational data. PA File Sight monitors file access on a server in real-time. Apply here.

Education 108

Education Games Engineering Java 108

High Scalability

JUNE 4, 2019

Triplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. For heads of IT/Engineering responsible for building an analytics infrastructure , Etleap is an ETL solution for creating perfect data pipelines from day one. Who's Hiring?

Java 116

Java Metrics Software Engineering Traffic 116

High Scalability

FEBRUARY 1, 2022

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Scalability 100

High Scalability

JANUARY 8, 2019

Triplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Get visibility into your production issues without juggling multiple tabs and different services -- all of your logs, server metrics and alerts are in your browser and at your fingertips.

Java 137

Java Metrics Software Engineering DevOps 137

High Scalability

MAY 4, 2022

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Scalability 100

High Scalability

AUGUST 24, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

JULY 18, 2022

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Scalability 100

High Scalability

DECEMBER 9, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Scalability 100

SQL Server According to Bob

MARCH 27, 2017

SQL Server is running on Windows and encounters an exception. The dump includes the faulting thread’s memory, indirect memory referenced by the thread, SQL server ring buffers and a bit more memory. SQL Server is running on Linux and encounters an exception within a SQL Server module. Often 10+GB.

Servers 40

Servers Virtualization Storage Design 40

High Scalability

JUNE 19, 2018

Triplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. With out-of-the-box dashboards and seamless integrations with over 200 technologies, Datadog provides end-to-end visibility into the health and performance of modern applications at scale.

Metrics 125

Metrics Software Engineering Engineering Infrastructure 125

High Scalability

JUNE 10, 2022

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Scalability 100

High Scalability

OCTOBER 27, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Benchmarking 100

SQL Server According to Bob

JANUARY 5, 2017

Last March I moved from 22 years in SQL Server support to the SQL Server development team, working on SQL Server on Linux project and reporting to Slava Oks. As Slava highlights in his recent blog post , he also contacted me in early 2015 to assist with supportability of SQL Server on Linux. There are no burning secrets.

Servers 40

Servers Operating System C++ Software Engineering 40

High Scalability

SEPTEMBER 29, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 15, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Apply here.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

DECEMBER 11, 2018

Triplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Get visibility into your production issues without juggling multiple tabs and different services -- all of your logs, server metrics and alerts are in your browser and at your fingertips.

Java 125

Java Metrics Software Engineering DevOps 125

High Scalability

DECEMBER 4, 2018

Triplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Get visibility into your production issues without juggling multiple tabs and different services -- all of your logs, server metrics and alerts are in your browser and at your fingertips.

Java 120

Java Metrics Software Engineering DevOps 120