Percona

JULY 17, 2023

1 among non-relational/document-based systems ( DB-Engines, July 2023 ). Not really open source : Even the MongoDB Community version is not open source; it’s source-available and is under the SSPL license (introduced by MongoDB itself). It ranks No. 5 among all database management systems and No.

Open Source 80

Open Source Database Scalability Software 80

Percona

JUNE 22, 2023

A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance. Replication lag can occur due to various factors such as network latency, system resource limitations, complex transactions, or heavy write loads on the primary/master database.

Performance 108

Performance Monitoring Traffic Database 108

Percona

MARCH 23, 2023

Storage The type of storage and disk used for database servers can have a significant impact on performance and reliability. Cloud Different cloud providers offer a range of instance types and sizes, each with varying amounts of CPU, memory, and storage. Setting oom_score_adj to -800. Try Percona Distribution for MySQL today!

Performance 130

Performance Hardware Tuning Storage 130

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

The Morning Paper

OCTOBER 26, 2020

It’s limited by the laws of physics in terms of end-to-end latency. The emergence of edge computing has raised new challenges for big data systems… In recent years a number of distributed streaming systems have been built via either open source or industry effort (e.g. Emphasis mine ). Emphasis mine ).

Cloud 104

Cloud Big Data Latency Architecture 104

Uber Engineering

MARCH 12, 2017

With the evolution of storage formats like Apache Parquet and Apache ORC and query engines like Presto and Apache Impala , the Hadoop ecosystem has the potential to become a general-purpose, unified serving layer for workloads that can tolerate latencies … The post Hudi: Uber Engineering’s Incremental Processing Framework on Apache Hadoop appeared (..)

Processing 101

Processing Latency Storage Engineering 101

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. Ford, et al., “TCP

Performance 52

Performance Latency Hardware Storage 52

Percona

JULY 1, 2023

What we should really compare is the MySQL and Aurora database engines provided by Amazon RDS. It efficiently manages read and write operations, optimizes data access, and minimizes contention, resulting in high throughput and low latency to ensure that applications perform at their best.

AWS 52

AWS Database Serverless Storage 52

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

Percona

APRIL 7, 2023

Here’s how the same test performed when running Percona Distribution for PostgreSQL 14 on these same servers: Queries: reads Queries: writes Queries: other Queries: total Transactions Latency (95th) MySQL (A) 1584986 1645000 245322 3475308 122277 20137.61 MySQL (B) 2517529 2610323 389048 5516900 194140 11523.48

Tuning 139

Tuning Cache Servers Benchmarking 139

The Netflix TechBlog

NOVEMBER 22, 2019

by Shefali Vyas Dalal AWS re:Invent is a couple weeks away and our engineers & leaders are thrilled to be in attendance yet again this year! To sustain this data growth at Netflix, it has deployed open-source software Ceph using AWS services to achieve the required SLOs of some of the post-production workflows.

AWS 37

AWS Entertainment Open Source Benchmarking 37

Percona

MAY 2, 2023

Also, we will take a look at our open-source backup utility custom-built to help avoid costs and proprietary software – Percona Backup for MongoDB or PBM. The speed of backup also depends on allocated IOPS and type of storage since lots of read/writes would be happening during this process.

Best Practices 52

Best Practices Database Storage Servers 52

HammerDB

MAY 5, 2019

Note that the main developer of HammerDB is Intel employee (#IAMINTEL) however HammerDB is a personal open source project and HammerDB has no optimization whatsoever for a database running on any particular architecture. So to test I took a system with Skylake CPUs and all storage on a P4800X SSD. In the recent MySQL 8.0.16

Testing 48

Testing Tuning Latency Storage 48

Percona

APRIL 17, 2023

The CFQ works well for many general use cases but lacks latency guarantees. The deadline excels at latency-sensitive use cases ( like databases ), and noop is closer to no schedule at all. We can also extend this for automation(using Ansible, for example), which in general, DevOps engineers tend to create a pool of mongos.

Best Practices 52

Best Practices Design Tuning Database 52

The Morning Paper

MARCH 10, 2020

This benchmark can synthetically generate more precise key-value queries that represent the reads and writes of key-value stores to the underlying storage system. The paper examines three different uses of RocksDB at Facebook: UDB , the underlying storage engine for the MySQL databases storing the social graph data.

Benchmarking 59

Benchmarking Storage Cache Open Source 59

Abhishek Tiwari

DECEMBER 27, 2017

Kubernetes has emerged as go to container orchestration platform for data engineering teams. faster access to external storage and data locality (I/O, bandwidth). To address this, the open source community is now trying to develop Kubernetes custom schedulers specifically optimised for big data workloads.

Big Data 63

Big Data Storage Benchmarking Hardware 63

Abhishek Tiwari

JULY 12, 2018

These data pipelines can process data at petabytes scale and to some extent, their success can be attributed to an army of engineers devoted to build and maintain internal data pipelines. Not everyone is operating at Netflix or Spotify scale data engineering function. In a nutshell, a data pipeline is a distributed system.

Latency 63

Latency Analytics Scalability Engineering 63

The Morning Paper

FEBRUARY 23, 2020

AnyLog wants to do for structured (relational) data what the Web has done for unstructured data, with coordinators playing the role of search engines. Coordinators are servers that receive queries and return results (search engines). This comes in the form of micropayments. An embodiment for structured data for IoT.

Blockchain 94

Blockchain Internet Internet IoT 94

Alex Russell

APRIL 29, 2021

Apple forces developers of competing browsers to use their engine for all browsers on iOS , restricting their ability to deliver a better version of the web platform. They are, pound for pound, some of the best engine developers globally and genuinely want good things for the web. So is speedy resolution and agreement.

Media 145

Media Games Education Engineering 145

HammerDB

DECEMBER 5, 2020

From an engineering perspective this may be all that you need to know. Additionally both commercial and open source tools based on the specifications also continued to use TPC-C and TPC-H to describe these workloads. However a reasonable follow-on question is then why change the name at all? But why is this important?

C++ 40

C++ Benchmarking Virtualization Open Source 40

Adrian Cockcroft

NOVEMBER 11, 2019

In addition to the common financial calculation of risk as the product of probability and severity, engineering risk includes detectability. A learning organization, disaster recovery testing, game days, and chaos engineering tools are all important components of a continuously resilient system.

Latency 52

Latency Engineering Systems Hardware 52

The Morning Paper

MAY 28, 2019

The resulting system can integrate seamlessly into a scikit-learn based development process, and dramatically reduces the total energy usage required for classification with very low latency. Together this set of four operations allow us to deliberately engineer “race conditions” in a circuit to perform computation at low energy.

Energy 52

Energy Hardware Efficiency Architecture 52

Adrian Cockcroft

NOVEMBER 11, 2019

In addition to the common financial calculation of risk as the product of probability and severity, engineering risk includes detectability. A learning organization, disaster recovery testing, game days, and chaos engineering tools are all important components of a continuously resilient system.

Latency 53

Latency Engineering Systems Hardware 53

Alex Russell

JULY 14, 2021

The 85% global-share OS (Android) has historically facilitated browser choice and diversity in browser engines. Engine diversity is essential, as it is the mechanism that causes competition to deliver better performance, capability, privacy, security, and user controls. If so, it's a browser regardless of the underlying engine.

Google 121

Google Mobile Engineering Internet 121

High Scalability

SEPTEMBER 8, 2018

They've posted about Anna's new superpowers in Going Fast and Cheap: How We Made Anna Autoscale : Using Anna v0 as an in-memory storage engine, we set out to address the cloud storage problems described above. Each storage server collects statistics about the requests it serves, the data it stores, etc. Related Articles.

Storage 199

Storage Performance AWS Efficiency 199

Smashing Magazine

JANUARY 11, 2021

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Looking back now, things seem to have changed quite significantly. Large preview ).

Performance 145

Performance Cache Media Metrics 145

The Netflix TechBlog

NOVEMBER 2, 2021

It has become a de facto standard for perceptual quality measurements within Netflix and, thanks to its open-source nature , throughout the video industry. This enables us to use our scale to increase throughput and reduce latencies. Here, based on the video length, the throughput and latency requirements, available scale etc.,

Media 171

Media Innovation Metrics Latency 171

Smashing Magazine

JANUARY 6, 2020

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms.

Performance 145

Performance Cache Network Metrics 145

High Scalability

DECEMBER 21, 2018

kellabyte : “Open source” infrastructure companies are a giant s**t show right now. Tim Bray : How to talk about [Serverless Latency] · To start with, don’t just say “I need 120ms. And if you know someone with hearing problems they might find Live CC useful. 202,157 flights tracked!

Internet 137

Internet Internet Scalability Serverless 137

Smashing Magazine

JANUARY 7, 2019

dashboard (open source), SpeedCurve and Calibre are just a few of them, and you can find more tools on perf.rocks. Deviation metrics As noted by Wikipedia engineers , data of how much variance exists in your results could inform you how reliable your instruments are, and how much attention you should pay to deviations and outlers.

Performance 103

Performance Cache Metrics Network 103

All Things Distributed

AUGUST 20, 2015

Today, we are releasing a plugin that allows customers to use the Titan graph engine with Amazon DynamoDB as the backend storage layer. It opens up the possibility to enjoy the value that graph databases bring to relationship-centric use cases, without worrying about managing the underlying storage. Enter graph databases.

Database 134

Database Logistics Availability Social Media 134

Abhishek Tiwari

NOVEMBER 3, 2018

Cost is one of the key reasons why most government organisations, mid to large sized business, and publisher prefer open source CMS options such as WordPress and Drupal. In addition, open source CMS solutions also struggle with blotted plugin ecosystem.

Systems 63

Systems Cache Website Network 63

All Things Distributed

OCTOBER 12, 2016

Three years ago, as part of our AWS Fast Data journey we introduced Amazon ElastiCache for Redis , a fully managed in-memory data store that operates at sub-millisecond latency. All these capabilities are available to customers at no additional charge, and maintain open-source Redis compatibility. Redis and Fast Data. “We

Scalability 130

Scalability Analytics Cache AWS 130