The Netflix TechBlog

MARCH 7, 2023

But we cannot search or present low latency retrievals from files Etc. The solution which we present in this blog is not limited to annotations and can be used for any other domain which uses ES and Cassandra as well. We store all OperationIDs which are in STARTED state in a distributed cache (EVCache) for fast access during searches.

Media 268

Media Latency Architecture Database 268

Percona

FEBRUARY 15, 2023

When you want to know if a key is present or not in the list, you run it through the hash function and check if the corresponding bits in the bitmap are “1” or “0” If one of the bits is “0”, you know for sure the key is not in the list. If all the bits are “1”, the value may be present.

Storage 138

Storage Tuning Cache Engineering 138

The Netflix TechBlog

SEPTEMBER 10, 2024

Since that presentation, Pushy has grown in both size and scope, and this article will be discussing the investments we’ve made to evolve Pushy for the next generation of features. KeyValue is an abstraction over the storage engine itself, which allows us to choose the best storage engine that meets our SLO needs.

Latency 230

Latency Cache Tuning Efficiency 230

Scalegrid

JANUARY 5, 2024

Despite initial investment costs, DBMS presents long-term savings and improved efficiency through automated processes, efficient query optimizations, and scalability, contributing to enhanced decision-making and end-user productivity. By implementing data abstraction techniques, these challenges can be addressed more effectively.

Efficiency 147

Efficiency Storage Database Scalability 147

Percona

MARCH 28, 2023

The same data, in the form of pages inside the Wiredtiger cache, are also marked dirty. At every checkpoint interval (Default 60 seconds), MongoDB flushes the modified pages that are marked as dirty in the cache to their respective data files (both collection-*.wt This happens at every journalCommitIntervalMs. wt and index-*.wt).

Hardware 111

Hardware C++ Storage Cache 111

ScaleOut Software

APRIL 22, 2020

The Solution: Distributed Caching. The solution to this challenge is to use scalable, memory-based data storage for fast-changing data so that web sites can keep up with exploding workloads. It’s not enough simply to lash together a set of servers hosting a collection of in-memory caches.

Cache 52

Cache Storage Servers Database 52

ScaleOut Software

APRIL 22, 2020

The Solution: Distributed Caching. The solution to this challenge is to use scalable, memory-based data storage for fast-changing data so that web sites can keep up with exploding workloads. It’s not enough simply to lash together a set of servers hosting a collection of in-memory caches.

Cache 52

Cache Storage Servers Database 52

All Things Distributed

JANUARY 18, 2012

Each service encapsulates its own data and presents a hardened API for others to use. In response, we began to develop a collection of storage and database technologies to address the demanding scalability and reliability requirements of the Amazon.com ecommerce platform. The growth of Amazonâ??s Domain scaling limitations. SimpleDBâ??s

Scalability 162

Scalability Database Ecommerce Latency 162

Dynatrace

SEPTEMBER 17, 2019

Instead of presenting you with a handful of random screenshots from our demo environment I reached out to Robert, a close friend of mine, who leads a development team with the current task to re-architect and re-platform their multi-tenant SaaS-based eCommerce platform. PostgreSQL & Elastic for data storage. REDIS for caching.

AWS 170

AWS Monitoring Ecommerce Lambda 170

Scalegrid

JANUARY 25, 2024

Effective management of memory stores with policies like LRU/LFU proactive monitoring of the replication process and advanced metrics such as cache hit ratio and persistence indicators are crucial for ensuring data integrity and optimizing Redis’s performance. Cache Hit Ratio The cache hit ratio represents the efficiency of cache usage.

Metrics 130

Metrics Monitoring Latency Cache 130

Scalegrid

JANUARY 21, 2025

To monitor Redis instances effectively, collect Redis metrics focusing on cache hit ratio, memory allocated, and latency threshold. Advanced monitoring techniques enable you to identify potential issues, such as high latency, CPU utilization, command throughput, and cache hit rate before they become major problems.

Strategy 130

Strategy Monitoring Latency DevOps 130

All Things Distributed

APRIL 27, 2011

We use high-performance transactions systems, complex rendering and object caching, workflow and queuing systems, business intelligence and data analytics, machine learning and pattern recognition, neural networks and probabilistic decision making, and a wide variety of other techniques. Driving Storage Costs Down for AWS Customers.

Technology 129

Technology Technology AWS Storage 129

Scalegrid

DECEMBER 21, 2023

To monitor Redis® instances effectively, collect Redis metrics focusing on cache hit ratio, memory allocated, and latency threshold. Advanced monitoring techniques enable you to identify potential issues, such as high latency, CPU utilization, command throughput, and cache hit rate before they become major problems.

Strategy 130

Strategy Monitoring Latency DevOps 130

All Things Distributed

JUNE 21, 2018

This doesn't mean relational databases do not provide utility in present-day development and are not available, scalable, or provide high performance. This consistent performance is a big part of why the Snapchat Stories feature , which includes Snapchat's largest storage write workload, moved to DynamoDB. The opposite is true.

Database 167

Database AWS Games Latency 167

Brendan Gregg

FEBRUARY 28, 2023

Titus, the Netflix container management platform, is now open source,” [link] Apr 2018 - [Cutress 19] Dr. DDR6: Here's What to Expect in RAM Modules,” [link] Nov 2020 - [Salter 20] Jim Salter, “Western Digital releases new 18TB, 20TB EAMR drives,” [link] Jul 2020 - [Spier 20] Martin Spier, Brendan Gregg, et al.,

Performance 103

Performance Latency Cache Google 103

ACM Sigarch

NOVEMBER 1, 2019

This blog post gives a glimpse of the computer systems research papers presented at the USENIX Annual Technical Conference (ATC) 2019, with an emphasis on systems that use new hardware architectures. GAIA proposed to expand the OS page cache into accelerator memory. Heterogeneous ISA. Programmable I/O Devices.

Architecture 12

Architecture Hardware Cache Storage 12

Scalegrid

JUNE 14, 2024

Captivating Data Visualization Data visualization is a key aspect of Power BI, enabling users to present complex data in a visually compelling manner. It involves pushing as much of the data transformation and filtering operations back to the data source (e.g., MySQL) instead of performing them within the BI tool (e.g.,

Database 130

Database Azure Efficiency Servers 130

SQL Server According to Bob

NOVEMBER 8, 2016

Note: We received feedback that there was some confusion on us calling this functionality “tail of the log caching” because our documentation and prior history has referred to the tail of the log as the portion of the hardened log that has not been backed up. Block storage is what you think of today as disk access.

Cache 40

Cache Servers Media Storage 40

Abhishek Tiwari

NOVEMBER 3, 2018

When it comes to innovation, most of CMS solutions are constrained by their legacy architecture (read strong coupling between content management and content presentation) which makes it difficult to serve content to new types of emerging channels such as apps and devices. Eventually, we decided to move them to Jekyll.

Systems 63

Systems Cache Website Network 63

SQL Performance

OCTOBER 7, 2020

Its raison d’être is to cache result rows from a plan subtree, then replay those rows on subsequent iterations if any correlated loop parameters are unchanged. Table-valued functions use a table variable, which can be used to cache and replay results in suitable circumstances. Spools are the least costly way to cache partial results.

Servers 106

Servers Cache Azure Performance 106

Smashing Magazine

SEPTEMBER 20, 2021

Attempted modifications in JavaScript might break page functionality, inhibit proper rendering, or present other problems. A natural language translation service presenting a news website article translated from English to Japanese. Search Engine And Web Archive Cached Results. Large preview ). Large preview ).

Website 108

Website Analytics Google Cache 108

Particular Software

MAY 22, 2023

5 Anti-requirements are deceptively simple: you create some fake requirement concerning two attributes and present it to business stakeholders. “If From a technical perspective, attributes that change together should also be cached similarly. ViewModel composition techniques also allow flexibility in terms of data storage technology.

Systems 98

Systems Cache Strategy Database 98

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. This 2GiB RAM, Android 9 stalwart features the all-too classic lines of a Quad-core A53 (1.4GHz, small mercies) CPU, tastefully presented in a charming 5.5" The Moto G4 , for example.

Performance 127

Performance Network Mobile Metrics 127

Scalegrid

NOVEMBER 23, 2023

Configure the PostgreSQL hostname by editing configuration files and restarting the server, with secure storage of connection details to enhance security. The host variable can be found within specified code strings dedicated to creating/modifying content present on that particular remotely located Postgresql platform system.

Database 130

Database Servers Network Storage 130

SQL Performance

MAY 16, 2019

For INSERT.SELECT , SQL Server makes its own determination whether to ensure rows are presented to the Clustered Index Insert operator in key order or not. The estimated data size calculation here is subject to the same quirks described in the previous article for heaps , except that the 8-byte RID is not present. Trace Flag.

Cache 67

Cache Servers Testing Storage 67

Alex Russell

APRIL 29, 2021

Chrome has missed several APIs for 3+ years: Storage Access API. Helps developers present better, more contextual options and prompts, reducing user annoyance and "prompt spam" Screen Wakelock. Important for apps that present boarding passes and QR codes for scanning, as well as and presentation apps (e.g.

Media 145

Media Games Education Engineering 145

The Morning Paper

MARCH 17, 2020

Based on these findings, the authors present four guidelines to get the best performance out of this memory today. Optane DIMMs have lower latency and higher bandwidth than storage devices connected over PCIe (including Optane SSDs), and present a memory address-based interface as opposed to a block-based NVMe interface.

Scalability 59

Scalability Latency Cache Media 59

Percona

NOVEMBER 6, 2023

Obviously, there are ways to monitor the backup through storage monitoring or Pod status, but why bother if the Operator already provides this information? Metrics can be captured from the status field of the Custom Resources if present. 274] "discovery finished, cache updated" I0706 14:43:28.285652 1 metrics_handler.go:99]

Metrics 102

Metrics Monitoring Database Cache 102

Speed Curve

FEBRUARY 25, 2024

Guest profiles also start with empty caches, empty cookie stores, empty browser storage, etc. These may get populated during testing, but we can clear them at any time via Application > Storage > Clear Site Data in DevTools. Opening a guest profile in Chrome 2.

Analytics 94

Analytics Processing Google Mobile 94

The Morning Paper

DECEMBER 8, 2019

On the last morning of the conference Daniel Bittman presented some of the work being done in the context of the Twizzler OS project to explore new programming models for NVM. The beauty of persistent memory is that we can use memory layouts for persistent data (with some considerations for volatile caches etc. What about security?

Hardware 56

Hardware Programming Media Storage 56

SQL Performance

OCTOBER 20, 2022

When a blocking operator is present (for Halloween protection or any other reason), this scheme breaks down because more than one row can be read before any changes are made. Lock classes are needed for key lookups when a blocking operator is present before the lookup. Read Committed and Large Objects.

Testing 91

Testing Servers Cache Engineering 91

SQL Performance

AUGUST 23, 2019

For example, a one-byte simple bitmap is capable of indicating whether eight contiguous build-side values are present or not. A range of values that does not start at zero can be encoded the same way by offsetting all values by the minimum value present in the set (which we know from the hash table statistics). Complex Bitmaps.

Servers 75

Servers Engineering Efficiency Retail 75

SQL Performance

SEPTEMBER 6, 2022

SET NOCOUNT , XACT_ABORT ON ; -- Prevent plan caching for this procedure. -- See [link]. When the SQL Server query processor needs to read or change data, it does so via one or more storage engine access methods. GOTO Start. OPEN SYMMETRIC KEY Banana. DECRYPTION BY CERTIFICATE Banana ; Start : -- Recreate the test table.

Database 98

Database Testing Storage Servers 98

The Morning Paper

FEBRUARY 20, 2020

… based on interactions with enterprise customers, we expect that storage and inference of ML models will be subject to the same scrutiny and performance requirements of sensitive/mission-critical operational data. For single or very small numbers of predictions, Raven is faster due to SQL Server’s caching. The last word.

Processing 72

Processing Hardware Database Servers 72

Percona

JUNE 22, 2023

Please note that these are presented as general best practices. Depending on your setup, costs can include: Hardware devices (servers, storage devices, network switches, etc.) That will minimize problems that can occur when nodes share access to and the ability to modify the same memory or storage.

Availability 132

Availability Database Open Source Hardware 132

SQL Performance

MAY 29, 2019

GO. -- Clear the plan cache. There is a final condition evaluated by storage engine code ( IndexDataSetSession::WakeUpInternal ) at execution time: DMLRequestSort is currently true ; and. GO. -- Clear the plan cache. We must also remember the final storage engine test for at least 100 rows: I >= 100. DETAILED'. )

Cache 64

Cache Testing Servers Code 64

Percona

JUNE 4, 2023

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. now a release candidate) SQL – Window Functions Present in MariaDB Server 10.2 In-development for MySQL 8.0 (now

Open Source 52

Open Source Servers Storage Scalability 52