The Morning Paper

AUGUST 29, 2019

We group the DBMS design choices and tradeoffs into three broad categories, which result from the need for dealing with (A) external storage; (B) query executors that are spun on demand; and (C) DBMS-as-a-service offerings. Another interesting experiment here compared the effects on performance of different storage types.

Architecture 76

Architecture Cloud Storage Serverless 76

O'Reilly

SEPTEMBER 19, 2023

It progressed from “raw compute and storage” to “reimplementing key services in push-button fashion” to “becoming the backbone of AI work”—all under the umbrella of “renting time and storage on someone else’s computers.” ” (It will be easier to fit in the overhead storage.)

Hardware 134

Hardware Storage Big Data Blockchain 134

SQL Performance

SEPTEMBER 5, 2019

This table uses columnstore for its primary storage to produce batch mode execution later on. CREATE CLUSTERED COLUMNSTORE INDEX c ON #T WITH ( MAXDOP = 1 ) ; Run the following test queries against the new columnstore table: SELECT. c = COUNT_BIG ( * ) FROM #T AS T WHERE 1 = ( SELECT 1 ) -- Avoid trivial plan.

Performance 81

Performance C++ Storage Servers 81

SQL Performance

MAY 8, 2019

GetNums ( 1 , 100 ) AS C WHERE C. Fellow SQL Server MVP Paul White theorizes that it could be related to using information from the outer input’s leaf to hint the storage engine to avoid duplicated effort by the read-ahead mechanisms. GetNums ( 1 , 100 ) AS C WHERE C. CREATE TABLE dbo. Customers. (

Best Practices 68

Best Practices C++ Code Servers 68

Highly Scalable

MAY 1, 2012

The straightforward approaches for implementation of this system are: Log all events in a large storage like Hadoop and compute unique visitor periodically using heavy MapReduce jobs or whatever. There is a system that monitors traffic and counts unique visitors for different criteria (visited site, geography, etc.)

Analytics 191

Analytics Traffic Big Data Efficiency 191

HammerDB

JUNE 27, 2022

The wide range of database support gives HammerDB an advantage over other database benchmarking tools that only implement workloads against one or two databases, limiting comparison between database engines and assessing relative performance. When reporting TPROC-C workloads the key metric is known as NOPM or New Orders per Minute.

Benchmarking 63

Benchmarking Open Source C++ Cache 63

Percona

JANUARY 17, 2019

now has a version which will support parallelism for SELECT queries (utilizing the read capacity of storage nodes underneath the Aurora cluster). For my test, I need to choose: Aurora instance type and comparison. Aurora instance type and comparison. SSD) we can’t utilize the full potential of IOPS with just one thread.

Cache 72

Cache C++ AWS Airlines 72

ACM Sigarch

OCTOBER 4, 2018

On the other hand, one can implement this system with encryption/decryption units between the compute and the storage. This allows the same database to be implemented while removing storage and connections from the trust boundary. For Further Study: Applied Cryptography: Protocols, Algorithms, and Source Code in C by Schneier.

Systems 48

Systems Hardware Storage Architecture 48

Percona

JUNE 4, 2023

In this blog, we’ll provide a comparison between MariaDB vs. MySQL (including Percona Server for MySQL ). MariaDB retains compatibility with MySQL, offers support for different programming languages, including Python, PHP, Java, and Perl, and works with all major open source storage engines such as MyRocks, Aria, and InnoDB.

Open Source 52

Open Source Servers Storage Scalability 52

Official Blog - World Web Technology

APRIL 29, 2024

Flutter With Flutter framework it is easy to design 2D apps with the wide support of camera, location, storage, and many more features. It uses a single code Dart to develop mobile apps that are clammed with the Objective C and Java Code on Android and iOS respectively. It is available for both Android and iOS and even more.

Social Media 52

Social Media Mobile Open Source Hardware 52

Official Blog - World Web Technology

APRIL 29, 2024

Flutter With Flutter framework it is easy to design 2D apps with the wide support of camera, location, storage, and many more features. It uses a single code Dart to develop mobile apps that are clammed with the Objective C and Java Code on Android and iOS respectively. It is available for both Android and iOS and even more.

Social Media 52

Social Media Mobile Open Source Hardware 52

SQL Server According to Bob

MAY 19, 2019

For example, Azure SQL Database Edge can already use TSQL Predict Machine Learning (ML) and Column Storage. C++ template usage is an example of where COMDAT folding can shine. SQL Server 2017 uses function address comparisons which the enablement of COMDAT would break.

IoT 61

IoT Servers Development Cache 61

The Morning Paper

DECEMBER 8, 2019

The Twizzler KVS (key-value store) is just 250 lines of C code, and uses one persistent object for the index structure, and a second one for the data. The paper concludes with a quick comparison of a KVS written using a modified FreeBSD kernel in the Twizzler-proposed model, and a traditional Unix implementation using files.

Hardware 56

Hardware Programming Media Storage 56

HammerDB

OCTOBER 12, 2018

This post complements the previous best practice guides this time with the focus on MySQL and MariaDB and achieving top levels of performance with the HammerDB MySQL TPC-C test. As is also the case this limitation is at the database level (especially the storage engine) rather than the hardware level. order by c.

Best Practices 40

Best Practices Scalability Performance C++ 40

O'Reilly

MAY 19, 2020

However, a notable minority—some 15%—occupy C-level or executive roles. A comparison of respondent organization size and share of applications hosted in the cloud. Technical leads and architects (about 11%) are next, followed by software and systems architects (9+%). And about 10% work in technical management positions.

Cloud 144

Cloud Serverless AWS DevOps 144

Brendan Gregg

NOVEMBER 3, 2020

Right now there are many BPF (eBPF) startups building networking, security, and performance products (and more in stealth), yet requiring customers to install the LLVM, Clang, and kernel header dependencies – which can consume over 100 Mbytes of storage – is an adoption drag. It adds about 1.5 Ubuntu 20.10 What about bpftrace? /usr/sbin/bashreadline.bt

C++ 40

C++ Programming Storage Code 40

Brendan Gregg

NOVEMBER 3, 2020

Right now there are many BPF (eBPF) startups building networking, security, and performance products (and more in stealth), yet requiring customers to install the LLVM, Clang, and kernel header dependencies – which can consume over 100 Mbytes of storage – is an adoption drag. It adds about 1.5 Ubuntu 20.10 What about bpftrace? /usr/sbin/bashreadline.bt

C++ 40

C++ Programming Storage Code 40

Percona

MAY 2, 2023

The speed of backup also depends on allocated IOPS and type of storage since lots of read/writes would be happening during this process. Back up anywhere – to the cloud (use any S3-compatible storage) or on-premise with a locally-mounted remote file system It allows you to choose which compression algorithms to use.

Best Practices 52

Best Practices Database Storage Servers 52

Brendan Gregg

SEPTEMBER 5, 2017

Hit Ctrl-C to end. ^C C operation = 'read' usecs : count distribution 0 -> 1 : 0 | | 2 -> 3 : 0 | | 4 -> 7 : 4479 | *| 8 -> 15 : 1028 | | 16 -> 31 : 14 | | 32 -> 63 : 1 | | [.]. Oracle have a similar useful page as well: the Linux to Oracle Solaris 11 comparison, as well as a [procedure] for migrating from Solaris to Linux.

Virtualization 75

Virtualization AWS Engineering Hardware 75

The Netflix TechBlog

FEBRUARY 13, 2020

By Aditya Mavlankar, Jan De C**k¹, Cyril Concolato, Kyle Swanson, Anush Moorthy and Anne Aaron TL; DR We need an alternative to JPEG that a) is widely supported, b) has better compression efficiency and c) has a wider feature set. We believe AV1 Image File Format (AVIF) has the potential.

Code 220

Code Metrics Efficiency Open Source 220

SQL Server According to Bob

JANUARY 11, 2020

Character POS ASCII Value Formula Value A 1 65 67 C 2 67 69 Checksum 136 Comparing ​​ the checksum values indicates ​​ that the values do not match and ​​ damage ​​ has occurred to the data.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

JANUARY 11, 2021

Alternatively, you can also use: Addy Osmani’s Chrome UX Report Compare Tool , Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Also check DNS Performance comparison and Cloud Peformance Comparison. Large preview ). Large preview ).

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 7, 2019

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik), Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing).

Performance 111

Performance Cache Network Metrics 111

Smashing Magazine

JANUARY 6, 2020

Alternatively, you can also use Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Paddy Ganti’s script constructs two URLs (one normal and one blocking the ads), prompts the generation of a video comparison via WebPageTest and reports a delta.

Performance 112

Performance Cache Servers Network 112