DZone

JULY 2, 2024

We compare throughput, operations per second, and latency under different loads, namely the P90 and P99 percentiles. This level of comparison detail will assist decision-makers with the information they would need to make a more appropriate choice of an in-memory data store for their needs.

Scalability 264

Scalability Performance Benchmarking Games 264

Dynatrace

DECEMBER 27, 2022

According to Google’s SRE handbook , best practices, there are “ Four Golden Signals ” we can convert into four SLOs for services: reliability, latency, availability, and saturation. Latency is the time that it takes a request to be served. Define SLOs for each service. Reliability.

Software 306

Software Software Benchmarking Latency 306

Scalegrid

JUNE 22, 2020

Compare Latency. On average, ScaleGrid achieves almost 30% lower latency over DigitalOcean for the same deployment configurations. We are going to use a common, popular plan size using the below configurations for this performance benchmark: Comparison Overview. Read-Intensive Latency Benchmark. Compare Pricing.

Database 217

Database Benchmarking Latency Performance 217

CSS Wizardry

OCTOBER 16, 2023

Plotted on the same horizontal axis of 1.6s, the waterfalls speak for themselves: 201ms of cumulative latency; 109ms of cumulative download. 4,362ms of cumulative latency; 240ms of cumulative download. When we talk about downloading files, we—generally speaking—have two things to consider: latency and bandwidth. It gets worse.

Cache 353

Cache Latency Strategy Speed 353

Percona

MARCH 20, 2023

Let us take a look also the latency: Here the situation starts to be a little bit more complicated. MySQL Router is the one that has the higher latency no matter what. Looking at the latency, we can see that HAProxy gradually increased as expected, while ProxySQL and MySQL Router just went up from the 256 threads on.

Games 141

Games Latency Traffic Cache 141

Dynatrace

JANUARY 15, 2020

Citrix platform performance—optimize your Citrix landscape with insights into user load and screen latency per server. Comparison of these metrics between VDAs characterizes load balancing efficiency. Citrix latency represents the end-to-end “screen lag” experienced by a server’s users. Citrix VDA. SAP server. Citrix VDA.

Latency 52

Latency Performance Virtualization Infrastructure 52

Dynatrace

FEBRUARY 15, 2023

SREs use Service-Level Indicators (SLI) to see the complete picture of service availability, latency, performance, and capacity across various systems, especially revenue-critical systems. Davis will also assist Site Reliability Guardian in recommending relevant objectives and baselines for comparison.

DevOps 246

DevOps Latency Traffic Best Practices 246

The Netflix TechBlog

JUNE 13, 2023

By collecting and analyzing key performance metrics of the service over time, we can assess the impact of the new changes and determine if they meet the availability, latency, and performance requirements. One can perform this comparison live on the request path or offline based on the latency requirements of the particular use case.

Traffic 285

Traffic Metrics Systems Strategy 285

The Netflix TechBlog

FEBRUARY 20, 2019

Today we are excited to announce latency heatmaps and improved container support for our on-host monitoring solution?—?Vector?—?to Remotely view real-time process scheduler latency and tcp throughput with Vector and eBPF What is Vector? to the broader community. Vector is open source and in use by multiple companies.

Performance 216

Performance Latency Open Source Metrics 216

Highly Scalable

SEPTEMBER 18, 2012

Historically, NoSQL paid a lot of attention to tradeoffs between consistency, fault-tolerance and performance to serve geographically distributed systems, low-latency or highly available applications. Read/Write latency. Read/Write requests are processes with a minimal latency. Data Placement. Read/Write scalability.

Database 213

Database Latency C++ Scalability 213

Scalegrid

OCTOBER 17, 2019

While there is plenty of well-documented benefits to using a connection pooler, there are some arguments to be made against using one: Introducing a middleware in the communication inevitably introduces some latency. A middleware becomes a single point of failure.

Architecture 200

Architecture Database Latency Servers 200

The Netflix TechBlog

SEPTEMBER 24, 2021

Uploading and downloading data always come with a penalty, namely latency. Figure 3: Video Processing with Index and Virtual Assembly Using virtual assembly greatly improves the latency performance of the ProRes 422 HQ proxy generation by removing one round trip of cloud downloading and cloud uploading by the physical assembler.

Cloud 242

Cloud Media Storage Cache 242

Dynatrace

JANUARY 31, 2024

For production models, this provides observability of service-level agreement (SLA) performance metrics, such as token consumption, latency, availability, response time, and error count. To observe model drift and accuracy, companies can use holdout evaluation sets for comparison to model data.

Cache 276

Cache Azure Infrastructure Monitoring 276

Dynatrace

SEPTEMBER 25, 2019

Citrix platform performance—optimize your Citrix landscape with insights into user load and screen latency per server. Comparison of these metrics between VDAs characterizes load balancing efficiency. Citrix latency represents the end-to-end “screen lag” experienced by a server’s users. Citrix VDA. SAP server. Citrix VDA.

Latency 164

Latency Performance Virtualization Infrastructure 164

CSS Wizardry

AUGUST 13, 2019

Although this response has a 0B filesize, we will always take the latency hit on every single page view (and this response is basically 100% latency). com , which introduces yet more latency for the connection setup. If you’re interested in seeing a real-world example of this, consider the following filmstrip comparison.

Latency 213

Latency Cache Strategy Media 213

Scalegrid

MARCH 28, 2024

In this comparison of Redis vs Memcached, we strip away the complexity, focusing on each in-memory data store’s performance, scalability, and unique features. Performance Comparison: Redis vs Memcached Although Redis and Memcached are high-performance in-memory data stores, their performance characteristics are distinct.

Cache 130

Cache Storage Architecture Scalability 130

The Netflix TechBlog

NOVEMBER 2, 2021

Perceptual quality measurements are used to drive video encoding optimizations , perform video codec comparisons , carry out A/B testing and optimize streaming QoE decisions to mention a few. This enables us to use our scale to increase throughput and reduce latencies. VQS is called using the measureQuality endpoint.

Media 178

Media Innovation Metrics Latency 178

Scalegrid

NOVEMBER 4, 2024

For a more detailed comparison of performance features between different versions, refer to: [link] Benchmarking Methodology Sysbench Overview Sysbench is a versatile, open-source benchmarking tool ideal for testing OLTP (Online Transaction Processing) database workloads. It also enhanced the management of large tables and indexes.

Benchmarking 130

Benchmarking AWS Tuning Metrics 130

Dynatrace

JANUARY 31, 2024

This freshness measurement can then be used by out-of-the-box Dynatrace anomaly detection to actively alert on abnormal changes within the data ingest latency to ensure the expected freshness of all the data records. Solution : Like the freshness example, Dynatrace can monitor the record count over time.

DevOps 272

DevOps Analytics Airlines Metrics 272

Alex Russell

FEBRUARY 28, 2022

The chief effect of the architectural difference is to shift the distribution of latency within the loop. Herein lies the source of our collective anxiety about front-end architectures: traversing networks is always fraught, but the costs to deliver client-side logic to cushion users from variable network latency remain stubbornly high.

Performance 113

Performance Latency Architecture Network 113

Percona

MARCH 29, 2023

Snappy Data size: 14.95GB Data size after compression: 10.75GB Avg latency: 12.22ms Avg cpu usage: 34% Avg insert ops rate: 16K/s Time taken to import 120000000 document: 7292 seconds Zstd (with default compression level 6) Data size: 14.95GB Data size after compression: 7.69GB Avg latency: 12.52ms Avg cpu usage: 31.72% Avg insert ops rate: 14.8K/s

Storage 130

Storage Network Open Source Latency 130

KeyCDN

FEBRUARY 4, 2021

Using a fast DNS hosting provider ensures there is less latency between the DNS lookup and TTFB. Visit website DNS hosting providers comparison How do the free DNS providers stack up against the premium DNS services? DNS speed comparison report Who offers the best free DNS? Speed Speed also plays a role with DNS.

Cache 134

Cache Website Internet Internet 134

The Morning Paper

JANUARY 30, 2020

Edge servers are the middle ground – more compute power than a mobile device, but with latency of just a few ms. The client MWW combines these estimates with an estimate of the input/output transmission time (latency) to find the worker with the minimum overall execution latency. for the wasm-version.

Mobile 104

Mobile Cloud Latency Games 104

Enprowess

SEPTEMBER 7, 2021

Quick summary : Node vs React Comparison is not correct because both technologies are entirely different things. Node JS vs. React JS Comparison. with its low latency I/O operations, gives the benefit of ‘No buffering’ to developers. Now, let us make a comparison between React and Node.js. Node JS vs. React JS Comparison.

Open Source 52

Open Source Virtualization Programming Servers 52

The Netflix TechBlog

MARCH 13, 2020

Compared to the most recent master version of libaom (AV1 reference software), SVT-AV1 is similar in compression efficiency and at the same time achieves significantly lower encoding latency on multi-core platforms when using its inherent parallelization capabilities.

Open Source 159

Open Source Efficiency C++ Speed 159

CSS - Tricks

MARCH 16, 2020

With this in mind, the requirements of this compare functionality ought to be: If a previous report already exists for the same website when a Lighthouse audit is complete, automatically perform a comparison against it and show any changes to key performance metrics. If your latency is higher than 50ms, users may perceive your app as laggy.

Google 86

Google Latency Website Metrics 86

Scalegrid

MAY 11, 2024

In-Memory Storage Engine, as the name suggests, stores data in memory for faster performance and lower latencies. Feature Comparison: MMAPV1 vs WiredTiger MMAPV1 provides document-level locking that allows for independent updates on different documents in a single collection. released in December 2015.

Storage 130

Storage Engineering Cache Database 130

The Morning Paper

NOVEMBER 15, 2020

This makes the whole system latency sensitive. So we need low latency, but we also need very high throughput: A recurring theme in IDS/IPS literature is the gap between the workloads they need to handle and the capabilities of existing hardware/software implementations.

Servers 128

Servers Hardware Latency Design 128

Particular Software

SEPTEMBER 20, 2021

Some will claim that any type of RPC communication ends up being faster (meaning it has lower latency) than any equivalent invocation using asynchronous messaging. It’s less of an apples-to-oranges comparison and more like apples-to-orange-sherbet. There are more steps, so the increased latency is easily explained.

Benchmarking 97

Benchmarking Latency Servers Systems 97

The Netflix TechBlog

JANUARY 24, 2022

Technically, “performance” metrics are those relating to the responsiveness or latency of the app, including start up time. While test metrics and metrics collected during real use do not lend themselves to direct comparison, measuring the relative change in metrics in pre-production builds can help us to anticipate regressions in production.

Performance 208

Performance Performance Testing Metrics Testing 208

Percona

DECEMBER 11, 2023

DLVs are particularly advantageous for databases with large allocated storage, high I/O per second (IOPS) requirements, or latency-sensitive workloads. The DLV, of course, affects the WRITE operations the most, and hence, the write-only test should be given the most consideration for the comparison of the DLV configuration vs. standard RDS.

AWS 117

AWS Benchmarking Performance Traffic 117

Brendan Gregg

AUGUST 8, 2017

Some people have found values that seem to work for their systems and workloads: they know that when load goes over X, application latency is high and customers start complaining. Latency was acceptable and no one complained. Load averages measured in a modern tool. But there aren't really rules for this.

Latency 111

Latency Metrics C++ Systems 111

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. As I'm interested in the relative comparison I can just compare the total runtimes (the "real" time) for the same result. I've shared many posts about superpower observability tools, but often humble hacking is just as effective.

Speed 103

Speed Java AWS Virtualization 103

The Netflix TechBlog

DECEMBER 2, 2019

To measure statistical significance, we use an efficient bootstrapping procedure to create confidence intervals and p-values for all quantiles (with adjustments to account for multiple comparisons). The encoding team then understands the improvement in perceptual video quality for members who experience the worst video quality.

Metrics 146

Metrics Strategy Testing Efficiency 146

Highly Scalable

MAY 1, 2012

This approach often leads to heavyweight high-latency analytical processes and poor applicability to realtime use cases. This process is shown in the figure below: It is clear that if sketch is large in comparison with the cardinality of the data set, almost each value will get an independent counter and estimation will precise.

Analytics 191

Analytics Traffic Big Data Efficiency 191

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 145

Tuning Cache Servers Benchmarking 145

VoltDB

OCTOBER 30, 2024

Here’s a quick comparison: Preventive maintenance: Planned in advance, cost-effective, reduces downtime, and improves reliability. Reactive Maintenance Preventive maintenance is a proactive strategy, while reactive maintenance is a reactive approach, addressing problems only after they arise.

Automotive 52

Automotive IoT Artificial Intelligence Energy 52