Dynatrace

SEPTEMBER 23, 2020

Recent improvements in OneAgent runtime-data handling. Storage mount points in a system might be larger or smaller, local or remote, with high or low latency, and various speeds. For example: All subfolders of the /opt directory are mounted as local, low latency, high-throughput drives, with relatively low storage capacity.

Storage 148

Storage Latency Operating System Network 148

Dynatrace

MARCH 29, 2024

Providing at-a-glance data makes it possible for teams to quickly identify high-level issues and then drill down into the details. ” The Dynatrace Kubernetes app also provides process ownership data, ensuring information is directed to the right team and root causes are addressed. ” Data supports those declarations.

Engineering 226

Engineering DevOps Operating System Open Source 226

SQL Performance

SEPTEMBER 17, 2019

This article will cover many areas that database administrators need to be aware of in order to properly license, recover, and tune a Reporting Services installation. Unless the key is backed up, any protected data, such as connection strings and passwords, can't be decrypted. Tuning Options. General Tuning.

Tuning 67

Tuning Servers Database Best Practices 67

InfoQ

APRIL 15, 2024

He specifically delved into Venice DB, the NoSQL data store used for feature persistence. At the QCon London 2024 conference, Félix GV from LinkedIn discussed the AI/ML platform powering the company’s products. By Rafal Gancarz

Artificial Intelligence 106

Artificial Intelligence Big Data Data Engineering Latency 106

Scalegrid

OCTOBER 24, 2019

As organizations continue to migrate to the cloud, it’s important to get in front of performance issues, such as high latency, low throughput, and replication lag with higher distances between your users and cloud infrastructure. Slave-2 uses an EBS data disk, and you can configure the amount of IOPS required for your cluster.

AWS 183

AWS Latency Performance Benchmarking 183

Dynatrace

MAY 17, 2023

In this case, the four golden signals (latency, traffic, errors, and saturation) are derived from span attributes and DQL metric queries via Dynatrace Grail™. The queries are depicted below (sensitive data has been removed).

DevOps 187

DevOps Traffic Latency Best Practices 187

Dynatrace

APRIL 25, 2023

Higher latency and cold start issues due to the initialization time of the functions. Observability is typically achieved by collecting three types of data from a system, metrics, logs and traces. Collecting these data types from serverless applications is not straightforward due to their ephemeral nature.

Serverless 207

Serverless Lambda Azure AWS 207

DZone

JULY 10, 2019

The Apache Spark + Alluxio stack is getting quite popular particularly for the unification of data access across S3 and HDFS. In addition, compute and storage are increasingly being separated causing larger latencies for queries. A Note on Data Locality. High data locality can greatly improve the performance of Spark jobs.

Best Practices 133

Best Practices Latency Storage Tuning 133

Scalegrid

DECEMBER 14, 2023

This includes a certain number of milliseconds that will be used by the driver before aborting new connection attempts, as well as the duration during which waiting for finding an adequate server could take place plus establishing limits concerning sending/receiving data via sockets between clients & servers. </p>

Java 130

Java Network Servers Database 130

Percona

NOVEMBER 2, 2023

Powerful change streams and support for data definition language operations. x: Flexible modification of time-series data. New operators and variables for advanced data transformations. Improved performance : MongoDB continually fine-tunes its database engine, resulting in faster query execution and reduced latency.

Best Practices 86

Best Practices Hardware Tuning Scalability 86

Percona

AUGUST 10, 2018

avi@percona:~$ps -eaf | egrep "/post|autovacuum" postgres 2862 1 0 Jun17 pts/0 00:00:11 /usr/pgsql-10/bin/postgres -D /var/lib/pgsql/10/data postgres 2868 2862 0 Jun17 ? This may help tune your table level autovacuum settings appropriately. Tuning Autovacuum in PostgreSQL. Why is autovacuum needed ?

Tuning 44

Tuning Cache Database Storage 44

VoltDB

JUNE 19, 2017

Unfortunately, this means that the age-old Telco bugbears will rear their ugly heads again, including latency. 5G, as a fundamental requirement, mandates a 1 millisecond latency from the datasource to its destination. This requires 1 ms network latency. The post Latency: Will it undermine the most interesting 5G use cases?

Latency 40

Latency Retail Virtualization Hardware 40

VoltDB

JUNE 19, 2017

Unfortunately, this means that the age-old Telco bugbears will rear their ugly heads again, including latency. 5G, as a fundamental requirement, mandates a 1 millisecond latency from the datasource to its destination. This requires 1 ms network latency. The post Latency: Will it undermine the most interesting 5G use cases?

Latency 40

Latency Retail Virtualization Hardware 40

Dynatrace

MAY 5, 2021

The “shift-left” mindset seeks to harness the data generated by applications and processes, and makes full use of it earlier in the production cycle. For example, improving latency by as little as 0.1 latency is the number one reason consumers abandon mobile sites. Using quality gates for measurable impacts.

Benchmarking 183

Benchmarking Latency Speed Software 183

Dynatrace

APRIL 26, 2022

Digital experience monitoring enables companies to respond to issues more efficiently in real time, and, through enrichment with the right business data, understand how end-user experience of their digital products significantly affects business key performance indicators (KPIs).

Monitoring 203

Monitoring Social Media IoT Metrics 203

The Netflix TechBlog

OCTOBER 19, 2020

If we had an ID for each streaming session then distributed tracing could easily reconstruct session failure by providing service topology, retry and error tags, and latency measurements for all service calls. Traces collected from various microservices are ingested in a stream processing manner into the data store.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Abhishek Tiwari

JULY 12, 2018

Building data pipelines can offer strategic advantages to the business. Often companies underestimate the necessary effort and cost involved to build and maintain data pipelines. Data pipeline initiatives are generally unfinished projects. In this post, we will discuss why you should avoid building data pipelines in first place.

Latency 63

Latency Analytics Scalability Engineering 63

Scalegrid

MARCH 22, 2024

They can also bolster uptime and limit latency issues or potential downtimes. This covers everything from tech specs and what you expect from the service to security, how you’ll handle data, and how services will be managed. Each private cloud setup has perks and benefits, especially for handling specific tasks.

Strategy 130

Strategy Cloud Government Innovation 130

The Netflix TechBlog

AUGUST 30, 2021

These checkpoint events enable faster state reconstruction by consumers of the data feed while guarding against missed updates. CockroachDB is chosen as the backing data store since it offered SQL capabilities, and our data model for the device records was normalized. million elements.

Latency 213

Latency Traffic Transportation Hardware 213

The Netflix TechBlog

JULY 26, 2021

This happens at an unprecedented scale and introduces many interesting challenges; one of the challenges is how to provide visibility of Studio data across multiple phases and systems to facilitate operational excellence and empower decision making. With the latest Data Mesh Platform, data movement in Netflix Studio reaches a new stage.

Big Data 253

Big Data Government Analytics Processing 253

Smashing Magazine

NOVEMBER 8, 2021

As developers, we rightfully obsess about the customer experience, relentlessly working to squeeze every millisecond out of the critical rendering path, optimize input latency, and eliminate jank. Stay tuned for more in 2022! Ilya Grigorik. 2021-11-08T14:30:00+00:00. 2021-11-08T19:34:34+00:00. Large preview ).

Cache 136

Cache Best Practices Strategy Servers 136

Dynatrace

DECEMBER 2, 2021

SLOs can be a great way for DevOps and infrastructure teams to use data and performance expectations to make decisions, such as whether to release, and where engineers should focus their time. You can set SLOs based on individual indicators, such as batch throughput, request latency, and failures-per-second. Help with decision making.

Metrics 191

Metrics Best Practices DevOps Infrastructure 191

The Netflix TechBlog

DECEMBER 21, 2020

By Anupom Syam Background At Netflix, our current data warehouse contains hundreds of Petabytes of data stored in AWS S3 , and each day we ingest and create additional Petabytes. We built AutoOptimize to efficiently and transparently optimize the data and metadata storage layout while maximizing their cost and performance benefits.

Storage 203

Storage Latency Efficiency Data Engineering 203

The Netflix TechBlog

OCTOBER 27, 2020

By Tianlong Chen and Ioannis Papapanagiotou Netflix has more than 195 million subscribers that generate petabytes of data everyday. Data scientists and engineers collect this data from our subscribers and videos, and implement data analytics models to discover customer behaviour with the goal of maximizing user joy.

Latency 243

Latency Storage Big Data Tuning 243

HammerDB

MAY 5, 2019

However in the Skylake microarchitecture (you can see a list of CPUs here ) the PAUSE instruction changed and in the documentation it says “the latency of the PAUSE instruction in prior generation microarchitectures is about 10 cycles, whereas in Skylake microarchitecture it has been extended to as many as 140 cycles.”

Testing 48

Testing Tuning Latency Storage 48

Dynatrace

MAY 17, 2023

OpenTelemetry , the open source observability tool, has become the go-to standard for instrumenting custom applications to collect observability telemetry data. For this third and final part of our series, we saved the best for last: How you can enhance telemetry data even more and with less effort on your end with Dynatrace OneAgent.

Metrics 171

Metrics Monitoring Database Network 171

O'Reilly

JANUARY 16, 2024

I’ve been diligent about data backup throughout my life, but my files are fragmented amongst different media over the years—burning CDs and DVDs back in the day, several generations of external hard drives (that are in various states of decay), university servers, Dropbox, and other cloud services.

Entertainment 73

Entertainment Internet Internet Design 73

The Netflix TechBlog

JUNE 14, 2023

Testing Strategies: A Summary Two key factors determined our testing strategies: Functional vs. non-functional requirements Idempotency If we were testing functional requirements like data accuracy, and if the request was idempotent , we relied on Replay Testing. In such cases, we were not testing for response data but overall behavior.

Traffic 353

Traffic Latency Cache Metrics 353

The Morning Paper

MARCH 10, 2020

That matters if your store reads data in (multi-key) blocks. The paper examines three different uses of RocksDB at Facebook: UDB , the underlying storage engine for the MySQL databases storing the social graph data. For UDB, many read requests for popular data will be handled by the upper cache tiers and so never hit RocksDB.

Benchmarking 59

Benchmarking Storage Cache Open Source 59

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. Requirements In a previous blog post, we discussed Delta , a data enrichment and synchronization platform.

Database 212

Database Traffic Transportation Open Source 212

Brendan Gregg

OCTOBER 8, 2018

Observability is one of many other use cases, as is [eXpress Data Path], [container security and networking], [iptables], [infrared decoding], [intrusion detection], [hyperupcalls], and [FUSE performance]. Back then I could already tell if disks were seeking by interpreting iostat(1) output: seeing high disk latency but small I/O.

C++ 110

C++ Virtualization Programming Latency 110

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. They enable us to further fine-tune and configure the system, ensuring the new changes are integrated smoothly and seamlessly.

Traffic 279

Traffic Metrics Systems Strategy 279

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. Requirements In a previous blog post, we discussed Delta , a data enrichment and synchronization platform.

Database 197

Database Traffic Transportation Open Source 197

Scalegrid

JUNE 4, 2020

Compare Latency. lower latency compared to DigitalOcean for PostgreSQL. Now, let’s take a look at the throughput and latency performance of our comparison. Next, we are going to test and compare the latency performance between ScaleGrid and DigitalOcean for PostgreSQL. PostgreSQL DigitalOcean Latency Averages (ms).

Database 230

Database Latency Benchmarking Performance 230

The Netflix TechBlog

JANUARY 10, 2024

This architecture shift greatly reduced the processing latency and increased system resiliency. We expanded pipeline support to serve our studio/content-development use cases, which had different latency and resiliency requirements as compared to the traditional streaming use case. divide the input video into small chunks 2.

Processing 229

Processing Media Latency Innovation 229

KeyCDN

AUGUST 15, 2019

Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. An interruption in data flow due to limited capacity is called a bottleneck. Test and collect data: Let your testing software do all the hard work, then assess the results.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Percona

APRIL 17, 2023

We’ll also go over some best practices for MongoDB security as well as MongoDB data modeling. The main objective of this post is to share my experience over the past years tuning MongoDB and centralize the diverse sources that I crossed in this journey in a unique place. Spoiler alert: This post focuses on MongoDB 3.6.X

Best Practices 52

Best Practices Design Tuning Database 52