The Netflix TechBlog

OCTOBER 15, 2019

Thus, ensuring the atomicity of writes across different storage technologies remains a challenging problem for applications [3]. No need to acquire locks on tables, which is essential to ensure that the write traffic on the database is never blocked by our service. Queue 17, 1, pages 40 (February 2019), 21 pages.

Transportation 192

Transportation Architecture Processing Storage 192

Dynatrace

OCTOBER 15, 2021

The data is incredibly plentiful and difficult to store over long periods due to capacity limitations — a reason why private and public cloud storage services have been a boon to DevOps teams. Cloud databases excel at storing large volumes of information for later reference, and this data often has business value or privacy restrictions.

Open Source 219

Open Source Metrics Cloud Transportation 219

Scalegrid

SEPTEMBER 16, 2019

PostgreSQL graphical user interface (GUI) tools help these open source database users to manage, manipulate, and visualize their data. PostgreSQL is the fourth most popular database management system in the world, and heavily used in all sizes of applications from small to large. Why Use a GUI Tool? pgAdmin Cost: Free (open source).

Open Source 262

Open Source Database Azure Cloud 262

SQL Performance

AUGUST 27, 2021

The instance-wide versioning timestamp is incremented whenever a new statement or batch begins, or a new version of a record is created, in any database where either form of snapshot isolation is enabled. This special-purpose storage is made up of append-only allocation units and is only used for version store operations.

Database 56

Database Storage Availability Servers 56

Scalegrid

JULY 17, 2020

Why should a relational database even care about unstructured data? JSON database in 9.2 It is useful to validate incoming JSON and store in the database. Wave 3: PostgreSQL 12 (2019) added support for SQL/JSON standard and JSONPATH queries. JSONB storage results in a larger storage footprint. JSONB Indexes.

Storage 321

Storage Database Efficiency Processing 321

Percona

MARCH 30, 2023

The use of open source databases has increased steadily in recent years. Past trepidation — about perceived vulnerabilities and performance issues — has faded as decision makers realize what an “open source database” really is and what it offers. What is an open source database?

Open Source 73

Open Source Database Storage Scalability 73

Smashing Magazine

JANUARY 15, 2019

2019-01-15T13:30:32+01:00. 2019-04-29T18:34:58+00:00. The Green Web Foundation maintains an ever-growing database of web hosts who are either wholly powered by renewable energy or are at least committed to being carbon neutral. How Improving Website Performance Can Help Save The Planet. Jack Lenox.

Website Performance 73

Website Performance Website Energy Performance 73

Scalegrid

OCTOBER 7, 2019

As this open source database continues to pull new users from expensive commercial database management systems like Oracle, DB2 and SQL Server, organizations are adopting new approaches and evolving their own to maintain the exceptional performance of their SQL deployments. PostgreSQL popularity is skyrocketing in the enterprise space.

Strategy 182

Strategy Cloud Java Open Source 182

SQL Performance

APRIL 27, 2020

Azure SQL Database is Microsoft's database-as-a-service offering that provides a tremendous amount of flexibility. Microsoft is continually working on improving their products and Azure SQL Database is no different. The basic tier provides up to 5 DTUs with standard storage. HyperScale Database. DTU Pricing Tier.

Azure 55

Azure Database Serverless Hardware 55

Percona

SEPTEMBER 1, 2023

This blog was originally published in February 2019 and was updated in September 2023. Web applications rely on databases to run the internet, powering everything from e-commerce platforms to social media networks to streaming services. It specifies how characters are converted into binary code and vice-versa.

Performance 52

Performance Storage Social Media Database 52

SQL Server According to Bob

DECEMBER 18, 2018

Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently. Microsoft SQL Server Database Engine Input/Output Requirements. Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system.

Servers 90

Servers Media Cache Storage 90

Percona

JULY 15, 2023

One very common problem when trying to optimize a database environment is index usage. Introduction to MySQL Indexes Indexes in MySQL are database structures used to optimize data retrieval speed and efficiency. Need help managing complex database environments? This structure makes for faster data access.

Virtualization 77

Virtualization Speed Database Efficiency 77

The Morning Paper

SEPTEMBER 19, 2019

We’ve been covering papers from VLDB 2019 for the last three weeks, and next week it will be time to mix things up again. MongoDB is an important database, and this paper explains the tunable (per-operation) consistency models that MongoDB provides and how they are implemented under the covers. Autoscaling tiered cloud storage in Anna.

Blockchain 46

Blockchain Hardware Google Analytics 46

Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. This blog highlights considerations for keeping your own PostgreSQL databases highly available and healthy. The same changes made in the primary database are made in the replicas.

Availability 81

Availability Open Source Architecture Database 81

The Netflix TechBlog

MAY 14, 2021

Once you finally find useful identifiers, you may begin writing SQL queries against your production database to find out what went wrong. The watermarking functionality, at the start, was a simple offering with various Google Drive integrations for storage and links.

Traffic 160

Traffic Latency Java Google 160

HammerDB

JUNE 27, 2022

HammerDB is a software application for database benchmarking. It enables the user to measure database performance and make comparative judgements about database hardware and software. Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking. The HammerDB name.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

The Morning Paper

NOVEMBER 8, 2020

replacing Paxos with Raft), or they could be shims over external storage systems. A minimal Loglet needs to provide totally ordered, durable storage via the shared log API. A related example is when Delos is running in converged mode and e.g. two of the five converged database replicas crash. The NativeLoglet.

Virtualization 126

Virtualization Latency Storage Systems 126

High Scalability

DECEMBER 21, 2018

swardley: X : What's going to happen in cloud in 2019? Whether it’s database or message queues it’s a really weird combo of licenses and features for hostage. And if you know someone with hearing problems they might find Live CC useful. 202,157 flights tracked! Me : Nothing special. Because nobody knows how to make money.

Internet 137

Internet Internet Scalability Serverless 137

Percona

JULY 3, 2023

Partitioning is the concept of splitting large tables logically into smaller pieces for better performance of the database. However, a rule of thumb is that the size of the table should exceed the physical memory of the database server. The exact point at which a table will benefit from partitioning depends on the application.

Storage 80

Storage Database Performance Open Source 80

SQL Performance

FEBRUARY 3, 2020

I was smart and took a backup of the original source, and created a procedure to revert the database back to its initial state. The downside to the latter is that, in SQL Server 2017, you cannot run this online… but you will be able to in 2019. CREATE CLUSTERED COLUMNSTORE INDEX CCI_tblOriginal ON dbo. tblOriginal.

Speed 113

Speed Processing Servers Storage 113

SQL Performance

SEPTEMBER 6, 2022

Let’s look at some examples using a fresh database. I happen to be using SQL Server 2019 CU16 but the details I’ll describe haven’t materially changed since partition level lock escalation was added to SQL Server 2008. USE master ; -- Create a new test database. -- COLLATE clause only to remind people it exists.

Database 98

Database Storage Testing Servers 98

SQL Performance

NOVEMBER 30, 2021

Whether the page is dirty or not (a dirty page has changes on it that haven’t yet been written back to durable storage). Code would have to scan the entire list of buffers for the database, looking for buffers that map pages for the allocation unit in question. It would be prohibitively expensive to do as part of query compilation.

Efficiency 54

Efficiency Servers Database Cache 54

SQL Performance

OCTOBER 7, 2020

If you’re interested in table-valued function rewinds, please see my Q & A on Database Administrators Stack Exchange. Sorts use storage (memory and perhaps disk if they spill) so they do have a facility capable of storing rows between loop iterations. Sort Rewinds. History and my explanation.

Servers 106

Servers Cache Azure Performance 106

KeyCDN

DECEMBER 12, 2018

Available as both a website and an app, IcoMoon offers more than 4,000 free icons and offline storage of icons. Freepik Like its name suggests, Freepik offers a huge database of free graphics, vectors and icons for use by web and app designers. Users can also make their own custom icon fonts.

Website 49

Website Design Google Availability 49

SQL Server According to Bob

MAY 19, 2019

SQL Server will ship Azure SQL Database Edge: [link]. For example, Azure SQL Database Edge can already use TSQL Predict Machine Learning (ML) and Column Storage. Remove the background task and aggressively reclaim database space during query execution. SQL Server 2019. Ghost Record Cleanup. Lock Manager.

IoT 61

IoT Servers Development Cache 61

HammerDB

OCTOBER 12, 2018

Similarly for this guide MySQL can be swapped for a mySQL based databases such as MariaDB. As is also the case this limitation is at the database level (especially the storage engine) rather than the hardware level. InnoDB is the storage engine that will deliver the best OLTP throughput and should be chosen for this test. .

Best Practices 40

Best Practices Scalability Performance C++ 40

The Morning Paper

JANUARY 26, 2020

This week we’ll be looking at a selection of papers from the 2019 edition of the ACM Symposium of Cloud Computing ( SoCC ). Reverb also take a snapshot of the client’s local storage (e.g. Reverb: speculative debugging for web applications , Netravali & Mickens, SOCC’19. candidate bug-fixes) during replay.

Programming 86

Programming Servers Network Latency 86

SQL Performance

APRIL 8, 2019

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. Both of these Intel processors are special bespoke models that are not in the Intel ARK database. They feature low latency, local NVMe storage that can directly leverage the 128 PCIe 3.0

Azure 42

Azure Virtualization Storage Benchmarking 42

Smashing Magazine

SEPTEMBER 26, 2019

2019-09-26T12:30:59+02:00. 2019-09-26T11:02:12+00:00. An input field for adding new items to a database could be an example of a service: it’s dedicated to one particular job (adding new items) and does the job without dependency on any other service. Frankenstein Migration: Framework-Agnostic Approach (Part 1). Denys Mishunov.

Architecture 73

Architecture Virtualization Servers Technology 73

SQL Performance

NOVEMBER 13, 2019

When there is a supporting index in place, you're limiting the storage engine to an index order scan strategy (following the index linked list). T1 ; Prior to SQL Server 2019 (or parallel compatibility level < 150), user defined functions get evaluated per row. ORDER BY (SELECT 'No Order')). Figure 5: Plan for Query 4.

Servers 104

Servers C++ Storage Performance 104

O'Reilly

JULY 25, 2023

For instance, if I’m reading a paper from 2019, a popular song from that year could start playing. In the end, I had to add four additional permissions—”tabs”, “storage”, “scripting”, “identity”—as well as a separate “host_permissions” field to my manifest.json.

Programming 98

Programming Code Design Benchmarking 98

Testsigma

NOVEMBER 16, 2021

In the summer of 2019, British Airways faced a technical issue on its website. Notice how March 2020 has shown an extremely positive change in website users with respect to March 2019. This includes the design principles, server communications or data transfers and storage. What does enterprise mean from a tester’s POV?

Testing 52

Testing Website Small Business Internet 52

Alex Russell

MARCH 6, 2021

A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. The worldwide ASP 18 months ago was ~$300USD , so the average performance in the deployed fleet can be represented by a $300 device from mid-2019. So what did $150USD fetch in 2019?

Performance 124

Performance Network Cache Metrics 124

Enprowess

JANUARY 12, 2022

Other benefits: It has other benefits like a Quicker launch to the market, Easier distribution, saving device power and storage, seamless maintenance, and updating. Blockchain technology is an encrypted database storage system. Approximately more than 34 million blockchain wallets were used globally in 2019.

Blockchain 59

Blockchain IoT Development Serverless 59

Dynatrace

JANUARY 15, 2020

Having released this functionality in an Preview Release back in September 2019, we’re now happy to announce the General Availability of our Citrix monitoring extension. Dynatrace Extension: database performance as experienced by the SAP ABAP server. Dynatrace news. Dynatrace Extension: Citrix user experience.

Latency 36

Latency Performance Virtualization Infrastructure 36

SQL Performance

AUGUST 27, 2019

On August 7, 2019, AMD finally unveiled their new 7nm EPYC 7002 Series of server processors, formerly code-named "Rome" at the AMD EPYC Horizon Event in San Francisco. Single-Socket Database Servers. Because of this, I think they will be a great choice for virtualization hosts and for Storage Spaces Direct nodes.

Servers 52

Servers Benchmarking Virtualization Architecture 52

Scalegrid

JULY 13, 2020

Oracle Database is a commercial, proprietary multi-model database management system produced by Oracle Corporation, and the largest relational database management system (RDBMS) in the world. While Oracle remains the #1 database on the market, its popularity has steadily declined by over 18% since 2013.

Open Source 244

Open Source Tuning C++ Database 244