The Netflix TechBlog

APRIL 27, 2023

Ruchir Jha , Brian Harrington , Yingwu Zhao TL;DR Streaming alert evaluation scales much better than the traditional approach of polling time-series databases. It allows us to overcome high dimensionality/cardinality limitations of the time-series database. It opens doors to support more exciting use-cases.

Storage 288

Storage Cache Metrics Database 288

Percona

MARCH 17, 2023

2022 was an exciting year for Percona Monitoring and Management (PMM). These updates are designed to keep databases running at peak performance and simplify database operations. PMM2 uses VictoriaMetrics (VM) as its metrics storage engine. We have tested PMM version 2.33.0

Monitoring 101

Monitoring Scalability Cache Database 101

Dynatrace

MAY 13, 2022

This extension provides fully app-centric Cassandra performance monitoring for Azure Managed Instance for Apache Cassandra. Apache Cassandra is an open-source, distributed, NoSQL database. Cassandra is also essential to Dynatrace because it is integral to our monitoring solution.

Azure 238

Azure Latency Metrics Infrastructure 238

Dynatrace

APRIL 10, 2023

With Dynatrace deep cluster monitoring, “we were able to do upfront detection of security processes consuming higher CPU time on the cluster,” Bollampally said. “The key metrics we were able to gather from Dynatrace helped us complete the testing with zero downtime,” Bollampally said.

Cloud 173

Cloud Ecommerce Performance Retail 173

Percona

NOVEMBER 9, 2023

In this blog post, we will discuss how to extend Percona Monitoring and Management (PMM) to get PostgreSQL metrics on checkpointing activity, internal buffers, and WAL usage. With this data, we’ll be able to better understand and tune our Postgres servers. You can search the blog for more information on this if needed.

Monitoring 92

Monitoring Tuning Metrics Servers 92

Dynatrace

OCTOBER 15, 2021

Loosely defined, observability is the ability to understand what’s happening inside a system from the knowledge of the external data it produces, which are usually logs, metrics, and traces. Monitoring begins here. Logs, metrics, and traces make up the bulk of all telemetry data.

Open Source 221

Open Source Metrics Cloud Transportation 221

Percona

SEPTEMBER 1, 2023

MySQL performance tuning offers several significant advantages for effective database management and optimization. Enhanced Database Efficiency By adjusting configuration settings, you can markedly enhance the overall efficiency of your MySQL database. Experiencing database performance issues?

Tuning 52

Tuning Database Performance Hardware 52

Dynatrace

AUGUST 1, 2022

Interestingly, our partner RedHat reported in 2021 that around 80% of deployed workloads are databases or data caches, storing data in persistent volume claims (PVCs). You also decide to run your database for storing user uploads – such as images or videos – directly in Kubernetes. However, you lack insights into your PVCs.

Storage 190

Storage Database Network Tuning 190

Percona

AUGUST 8, 2023

But we can discuss common bottlenecks, how to assess them, and have a better understanding as to why proactive monitoring is so important when it comes to responding to traffic growth. Hardware considerations The first thing we have to consider here is the resources that the underlying host provides to the database.

Traffic 91

Traffic Cache Monitoring Database 91

Percona

JUNE 22, 2023

As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance.

Performance 106

Performance Monitoring Traffic Database 106

Dynatrace

DECEMBER 21, 2023

Thomas: “Not so fast, Klaus; this host is part of our Synthetic Monitoring node cluster. Reduce the volume of data volumes requested from databases (for example, request all, filter in memory). Implement appropriate caching layers (for example, read-only cache for static data). Can we shut it down?”

Cloud 211

Cloud Energy Best Practices Cache 211

Percona

JUNE 22, 2023

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. A basic high availability database system provides failover (preferably automatic) from a primary database node to redundant nodes within a cluster. HA is sometimes confused with “fault tolerance.”

Availability 110

Availability Database Open Source Hardware 110

Dynatrace

NOVEMBER 29, 2021

Monitor your Graviton2-powered Lambda functions out of the box. When you add the Dynatrace extension to your Lambda functions, Dynatrace begins ingesting their metrics, logs, and traces, which you can monitor and correlate with data from the rest of your stack. Provide a foundation for metric calculation in charts on dashboards.

Lambda 216

Lambda AWS Serverless Metrics 216

Percona

APRIL 7, 2023

I’ve used a fourth instance to host a PMM server to monitor servers A and B and used the data collected by the PMM agents installed on the database servers to compare performance. That’s a heritage of the LAMP model when the same server would host both the database and the web server.

Tuning 138

Tuning Cache Servers Benchmarking 138

Percona

MAY 10, 2023

If you only have access to Linux metrics, look at the “b” column in vmstat, which corresponds to processes blocked on disk I/O. For Percona Monitoring and Management, you can install a plugin as described in the blog post Understanding Processes Running on Linux Host with Percona Monitoring and Management.

Cache 144

Cache Monitoring Open Source Processing 144

Scalegrid

AUGUST 30, 2019

Depending on how it is configured, Redis can act like a database, a cache or a message broker. It’s important to note that Redis is a NoSQL database system. Session Cache: Many websites leverage Redis Strings to create a session cache to speed up their website experience by caching HTML fragments or pages.

Cache 232

Cache Ecommerce Social Media Database 232

Scalegrid

JULY 8, 2020

Behavior on Sentinel-Monitored High Availability Systems. The setup has 2 Redis servers running in a master/replica configuration that is being monitored by a 3-sentinel quorum. Get To Know the Redis Database: Iterating Over Keys. 6 Crucial Redis Monitoring Metrics You Need To Watch. Learn more. Learn more.

Servers 239

Servers Database Availability Monitoring 239

Dynatrace

APRIL 21, 2022

Most monitoring tools for migrations, development, and operations focus on collecting and aggregating the three pillars of observability— metrics, traces, and logs. Continuously monitor cost and optimize your capacity needs. But managing these three data types at a scale becomes unsustainable for even the most experienced teams.

Azure 190

Azure Monitoring Virtualization Metrics 190

Percona

DECEMBER 19, 2022

We are excited to announce the latest release of Percona Monitoring and Management (PMM) – V2.33. include: Offline metric collection during PMM server outages or loss of PMM client-server network connectivity. include: Offline metric collection during PMM server outages or loss of PMM client-server network connectivity.

Metrics 52

Metrics Monitoring Servers Open Source 52

Dynatrace

SEPTEMBER 17, 2019

Kubernetes (k8s) provides basic monitoring through the Kubernetes API and you can find instructions like Top 9 Open Source Tools for Monitoring Kubernetes as a “do it yourself guide”. End-user monitoring. REDIS for caching. Dynatrace news. Full-stack observability. End-to-end code-level tracing. Service mash insights.

AWS 128

AWS Monitoring Ecommerce Lambda 128

Dynatrace

AUGUST 30, 2019

She was speaking about how her team is providing Visibility as a Service (VaaS) in order to continuously monitor and optimize their systems running across private and public cloud environments. Infrastructure Optimization: 100% improvement in Database Connectivity. Digital Performance: 99% reduction in Response Time, from 18.2s

Cache 199

Cache Database Architecture Government 199

Highly Scalable

SEPTEMBER 18, 2012

These developments gradually highlight a system of relevant database building blocks with proven practical efficiency. In this article I’m trying to provide more or less systematic description of techniques related to distributed operations in NoSQL databases. Data Placement. System Coordination. Read/Write latency.

Database 213

Database Latency C++ Scalability 213

DZone

DECEMBER 30, 2020

Below are some of the key metrics that need to be monitored during performance testing: CPU utilization. Cache hit ratio. Heap memory utilization. Number of active/daemon threads. Number of classes loaded. Server page faults/second. Active total sessions. SSL transactions/second. Active/total DB pool connections. Load balancing.

Servers 133

Servers Performance Cache Performance Testing 133

Percona

SEPTEMBER 1, 2023

MySQL triggers are a powerful tool for database administrators and developers, enabling them to automate tasks, enforce data consistency, and respond to events within the database seamlessly. A Trigger in MySQL is a database object that plays a pivotal role in database management.

Cache 63

Cache Database Games Healthcare 63

Smashing Magazine

AUGUST 3, 2023

Google’s Core Web Vitals is a set of performance metrics that site owners can use to evaluate performance and diagnose performance issues. These metrics provide a different perspective on user experience: Largest Contentful Paint (LCP) Measures the time it takes for the main content on a webpage to load. One of the key Next.js

Performance 74

Performance Cache Traffic Metrics 74

Scalegrid

APRIL 16, 2020

Where you decide to host your cloud databases is a huge decision. But, if you’re considering leveraging a managed databases provider, you have another decision to make – are you able to host in your own cloud account or are you required to host through your managed service provider? Where to host your cloud database?

Cloud 242

Cloud Azure AWS Database 242

The Morning Paper

FEBRUARY 6, 2020

Last week we looked at a function shipping solution to the problem; Cloudburst uses the more common data shipping to bring data to caches next to function runtimes (though you could also make a case that the scheduling algorithm placing function execution in locations where the data is cached a flavour of function-shipping too).

Lambda 98

Lambda Serverless Cache Latency 98

High Scalability

DECEMBER 18, 2018

Senior DevOps Engineer : Your engineering work will focus on using your deep knowledge of the web stack including firewalls, web applications, caches and data stores ­ to create innovative infrastructure architectures that are resilient, scalable, and blazingly fast. Need excellent people? Advertise your job here!

Healthcare 122

Healthcare Best Practices DevOps Cache 122

Percona

DECEMBER 5, 2022

ProxySQL is a very useful tool for gaining high availability, load balancing, query routing, query caching, query rewriting, multiplexing, and data masking. Proxysql has a stats database which we can see with an admin login. This database contains metrics gathered by ProxySQL concerning its internal functioning.

Servers 59

Servers Cache C++ Metrics 59

KeyCDN

JANUARY 23, 2020

These acronyms, which stand for real user monitoring and application performance monitoring, are software monitoring processes essential to measuring and evaluating applications in many different areas. What is real user monitoring (RUM)? What is application performance monitoring (APM)?

Strategy 72

Strategy Metrics Monitoring Servers 72

MachMetrics

DECEMBER 14, 2019

Similar to our article Average Page Load Times for 2018 , we’ll go over the averages for metrics and help you determine if your site is faster or slower than average. As you know, there are many metrics that determine a website’s page speed, and we can’t look at just one of them to determine how performant our site is.

Best Practices 105

Best Practices Speed Mobile Google 105

SQL Performance

SEPTEMBER 17, 2019

Many database administrators find themselves having to support instances of SQL Server Reporting Services (SSRS), or at least the backend databases that are required for SSRS. In each of the deployment models, the role of the database administrator is to make sure that SSRS is stable, dependable, and recoverable.

Tuning 67

Tuning Servers Database Best Practices 67

Smashing Magazine

JANUARY 6, 2020

Getting Ready: Planning And Metrics. Testing And Monitoring. Getting Ready: Planning And Metrics. You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

Getting Ready: Planning And Metrics. Testing And Monitoring. Getting Ready: Planning And Metrics. You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Table Of Contents. Setting Realistic Goals.

Performance 103

Performance Cache Metrics Network 103

Jos

JUNE 2, 2018

One could argue this is a metric-driven decision. How would you architecture a non-trivial size web project (client, server, databases, caching layer)? There is a lot research on how performance optimization improves key metrics and sites like WPO Stats are a good source of case studies. Well, not so fast.

Performance 237

Performance Speed Google Media 237

All Things Distributed

NOVEMBER 26, 2013

and enable you to maintain a nearly up-to-date copy of your master database in a different AWS Region. Amazon RDS offers a monthly uptime percentage SLA of 99.95% per Multi-AZ database instance. Cross Region Read Replicas are available for MySQL 5.6

Cloud 145

Cloud AWS Traffic Latency 145

The Morning Paper

SEPTEMBER 10, 2019

Broadly, these can be categorized as: reporting and dashboarding, embedded statistics in pages, time-series monitoring, and ad-hoc analysis. Time-series monitoring workloads have similar properties to dashboarding (relatively simple canned queries, but a need for fresh data). Cache all the things. Making Procella fast.

Analytics 75

Analytics Latency Cache Google 75