The Netflix TechBlog

JUNE 13, 2023

Our previous blog post presented replay traffic testing — a crucial instrument in our toolkit that allows us to implement these transformations with precision and reliability. Compared to replay testing, canaries allow us to extend the validation scope beyond the service level.

Traffic 279

Traffic Metrics Systems Strategy 279

Dynatrace

JUNE 27, 2023

Many AWS services and third party solutions use AWS S3 for log storage. If so, stay tuned for more news about direct AWS Kinesis Data Firehose configuration in AWS console. Logs complement out-of-the-box metrics and enable automated actions for responding to availability, security, and other service events.

AWS 208

AWS Cloud Lambda Analytics 208

Scalegrid

JULY 13, 2020

Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. These new applications are a great way for enterprise companies to test out PostgreSQL before migrating their entire infrastructure. pg_repack – reorganizes tables online to reclaim storage.

Open Source 244

Open Source Tuning C++ Database 244

The Netflix TechBlog

MARCH 14, 2023

In addition, we were able to perform a handful of A/B tests to validate or negate our hypotheses for tuning the search experience. This service leverages Cassandra and Elasticsearch for data storage and retrieval. We will continue to share our work in this space, so stay tuned. Do these types of challenges interest you?

Media 291

Media Innovation Energy Architecture 291

HammerDB

APRIL 19, 2023

Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. As database performance is heavily influenced by the performance of storage, network, memory, and processors, we must understand the upper limit of these key components. Operating System: Ubuntu 22.04

Performance 54

Performance Benchmarking Cache Storage 54

Dynatrace

JULY 6, 2022

Virtualization has revolutionized system administration by making it possible for software to manage systems, storage, and networks. Design, implement, and tune effective SLOs. SREs should agree upon SLO dashboards, error tolerances, remediation plans, and alerting tactics and test them in advance.

Best Practices 196

Best Practices Open Source Tuning Infrastructure 196

Scalegrid

JUNE 22, 2020

ScaleGrid provides 30% more storage on average vs. DigitalOcean for MySQL at the same affordable price. As you can see above, ScaleGrid and DigitalOcean offer the same plan configurations across this plan size, apart from SSD where ScaleGrid provides over 20% more storage for the same price. MySQL Configuration Management & Tuning.

Database 217

Database Benchmarking Latency Performance 217

HammerDB

MAY 5, 2019

Fortunately the HammerDB TPC-C/OLTP workload intentionally has a great deal of contention between threads and is therefore ideal for testing spin-locks. in the directory storage/innobase/ut the following section has UT_RELAX_CPU defined to call the PAUSE instruction on x86. In the recent MySQL 8.0.16 In the recent MySQL 8.0.16

Testing 48

Testing Tuning Latency Storage 48

Percona

AUGUST 27, 2018

Summarizing here the whole set of steps on my environment: 1) Check the CAP_SYS_NICE getcap /opt/mysql_templates/mysql-8P/bin/mysqld setcap cap_sys_nice+ep /opt/mysql_templates/mysql-8P/bin/mysqld 2) Create the user in MySQL and resource groups create user app2@'%' identified by 'test'; GRANT ALL PRIVILEGES ON `windmills2`.* Will this work?

Tuning 45

Tuning Virtualization Testing Servers 45

Percona

OCTOBER 18, 2023

This approach can minimize complexities but requires complete confidence in your preparations, tests, and abilities. Look closely at your current infrastructure (hardware, storage, networks, etc.) Full cutover : Migrating entirely to the new open source database at a specific point in time, all at once.

Open Source 92

Open Source Database Hardware Strategy 92

Percona

FEBRUARY 24, 2023

Therefore, we recommend using it for testing purposes only. Stay tuned! Helm provides the ability to group multiple Kubernetes manifests into a single entity known as a Helm Chart, which can be easily managed for deployments, rollbacks, and storage. Kindly leave your comments and feedback on the forum.

Availability 94

Availability Metrics Monitoring Open Source 94

Scalegrid

JULY 29, 2019

Managing a database is hard, as it needs continuous updating, tuning, and monitoring to ensure the performance of your website. Next, select the VM size, ranging from Micro at 10GB of storage up to X4XLarge at 700GB of storage, and then your MySQL version and storage engine. Stay tuned! Replication.

Database 166

Database Cloud Website Azure 166

The Netflix TechBlog

MAY 14, 2021

The watermarking functionality, at the start, was a simple offering with various Google Drive integrations for storage and links. Even though Cosmos was developed for asynchronous media processing, we worked with them to expand to generic file processing and tune their workflow platform for our near real-time use case.

Traffic 160

Traffic Latency Java Google 160

Dynatrace

APRIL 26, 2022

It is proactive monitoring that simulates traffic with established test variables, including location, browser, network, and device type. EM gives visibility into the user device and performance from the endpoint to provide information on CPU, memory, operating systems, storage, security, networks, and whether software is up to date.

Monitoring 213

Monitoring Social Media IoT Metrics 213

Scalegrid

JANUARY 25, 2024

Evaluating the total commands processed per second entails tracking server workload by observing its request-handling capabilities via different techniques such as immediate metric measurements, continuous real-time data flow using MONITOR command, or testing simulated workloads with the Redis benchmark program.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

APRIL 21, 2022

To stay tuned, keep an eye on our release notes. Improved error handling for unexpected storage issues. (APM-360014). The “Test connection” button in the Kubernetes settings now works properly for OCP 3.11. This will happen with Dynatrace version 1.242 or later. New features and enhancements. APM-361736).

Azure 224

Azure Metrics AWS Monitoring 224

Percona

JANUARY 19, 2023

Example: Creating four simple tables to store strings but using different data types: db1 test> CREATE TABLE tb1 (id int auto_increment primary key, test_text char(200)); Query OK, 0 rows affected (0.11 sec) db1 test> CREATE TABLE tb2 (id int auto_increment primary key, test_text varchar(200)); Query OK, 0 rows affected (0.05

Open Source 88

Open Source Storage Database Big Data 88

Percona

AUGUST 17, 2023

PostgreSQL has powerful and advanced features, including asynchronous replication, full-text searches of the database, and native support for JSON-style storage, key-value storage, and XML. Then those tools have to be configured and tested to work together. It all helps ensure the cluster’s peak performance.

Open Source 78

Open Source Healthcare Social Media Database 78

Percona

DECEMBER 20, 2018

Linux OS Tuning for MySQL Database Performance. In this post we will review the most important Linux settings to adjust for performance tuning and optimization of a MySQL database server. We’ll note how some of the Linux parameter settings used OS tuning may vary according to different system types: physical, virtual or cloud.

Database 40

Database Tuning Performance AWS 40

Tech News Gather

JUNE 16, 2023

Stay tuned to learn how to lay the foundation for a successful clone app that converts readers into leads. Stay tuned for valuable insights on designing a captivating UberEats clone. Stay tuned for insights on building a robust and scalable UberEats clone app. Popular choices include MySQL, PostgreSQL, or MongoDB.

Social Media 52

Social Media Tuning Strategy Media 52

Dynatrace

NOVEMBER 15, 2021

Whether a situation arises during development, testing, deployment, or in production, it’s important to work with a solution that can detect conditions in real-time so teams can troubleshoot issues before they slow down development or impact customers. Optimized system performance. Increased collaboration.

Analytics 218

Analytics Monitoring Artificial Intelligence DevOps 218

Percona

JULY 2, 2023

Having a backup strategy in place that takes regular backups and has secure storage is essential to protect the database in an enterprise-grade environment to ensure its availability in the event of failures or disasters. WALs in PostgreSQL are similar to transaction log files in the InnoDB storage engine for MySQL.

Strategy 52

Strategy Database Storage Open Source 52

n0derunner

JULY 23, 2019

As the DB continues to run on the new host – the Nutanix storage detects the access patterns and “localizes” the data that the DB is accessing. Many different queries are executing in parallel, some hitting RAM cache, some hitting storage. The Postgres DB is totally un-tuned and contains purely default settings.

Benchmarking 76

Benchmarking Storage Tuning Cache 76

Percona

OCTOBER 17, 2023

Many changes and new features are brought to the system, and as part of keeping in tune with the changes and how they can impact us, we go through the changes to better understand them. Dynamic WiredTiger tickets As a brief recap, WiredTiger tickets in MongoDB serve as the concurrency control mechanism within the WiredTiger storage engine.

Metrics 101

Metrics C++ Storage Database 101

Percona

APRIL 17, 2023

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. systemctl stop tuned $ systemctl disable tuned Dirty ratio The dirty_ratio is the percentage of total system memory that can hold dirty pages.

Best Practices 52

Best Practices Design Tuning Database 52

Adrian Cockcroft

JUNE 21, 2022

I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R. Rich became co-author of the second edition of the Sun Performance Tuning book, to describe how it worked. He had it up and running on Wednesday.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Dynatrace

NOVEMBER 17, 2020

With these release candidate APIs available, instrumentation for web frameworks, storage clients, and much more can be built. As a maintainer of the JS SIG, it’s my job to oversee contributions to the JS API and SDK implementations and ensure they are compliant with the specification, well tested, and high quality.

Open Source 153

Open Source Software Engineering Government Java 153

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. Stay tuned for more details on these algorithmic innovations. If you are interested in becoming a member of our team, we are hiring!

Media 171

Media Innovation Metrics Latency 171

SQL Performance

MARCH 17, 2020

Back in 2014, I wrote an article called Performance Tuning the Whole Query Plan. Test Environment. Each test result represents the best of ten runs, with all required data and index pages in memory. Cost" column shows the optimizer's cost estimate for each query as reported on the test system. Final Thoughts.

Servers 86

Servers Tuning Database Efficiency 86

Percona

AUGUST 5, 2023

Otherwise, the storage engine does a scatter-gather and queries ALL partitions in a UNION that is not concurrent. This method distributes data evenly across partitions to achieve balanced storage and optimal query performance. This helps identify potential issues and fine-tune the partitioning strategy.

Strategy 40

Strategy Storage Database Best Practices 40

SQL Performance

APRIL 15, 2020

This capability is essential when performance tuning since query events include discrete CPU and IO metrics as well as runtime parameters, which are key for troubleshooting query performance problems such as parameter sniffing. For some reason this thing will not go away! An Updated XE Session. sqlserver.existing_connection. sqlserver.login.

Azure 96

Azure Database Tuning Network 96

SQL Server According to Bob

SEPTEMBER 9, 2019

I recall when we were tuning the sp_reset_connection (which releases the database lock and acquires it again) command we tested rates in excess of 250,000/sec to ensure the partitioned database lock scaled: [link]. The actual rows need not remain stored in buffer pool, but the rows are transactionaly protected.

Servers 103

Servers Database Scalability Tuning 103

Percona

AUGUST 29, 2023

Among its many capabilities, a Citus cluster can: Create distributed tables that are sharded across a cluster of PostgreSQL nodes to combine their CPU, memory, storage, and I/O capacity. Columnar storage of tables can compress data, speeding up scans and supporting fast projections, both on regular and distributed tables.

C++ 80

C++ Database Storage Testing 80

Percona

NOVEMBER 3, 2023

xlarge 4vCPU 8GB-RAM Storage: EBS volume (root) 80GB gp2 (IOPS 240/3000) As well, high availability will be integrated, guaranteeing cluster viability in the case that one worker node goes down. Steps Provisioning The first step is to provision the four nodes with both PostgreSQL and Citus.

Database 105

Database Benchmarking Latency C++ 105

HammerDB

JANUARY 5, 2019

Some opinions claim that “Benchmarks are meaningless”, “benchmarks are irrelevant” or “benchmarks are nothing like your real applications” However for others “Benchmarks matter,” as they “account for the processing architecture and speed, memory, storage subsystems and the database engine.”

Benchmarking 40

Benchmarking Database Social Media Scalability 40

Brendan Gregg

JUNE 30, 2018

A co-worker introduced me to Craig Hanson and Pat Crain's performance mantras, which neatly summarize much of what we do in performance analysis and tuning. This is a sanity test. Networks, PCIe busses, CPU interconnects, memory busses, and storage devices (both throughput and IOPS), all have fixed limits. Don't do it.

Benchmarking 54

Benchmarking Latency Cache Network 54

High Scalability

NOVEMBER 25, 2019

It is limited by the disk space; it can’t expand storage elastically; it chokes if you run few I/O intensive processes or try collaborating with 100 other users. Over time, costs for S3 and GCS became reasonable and with Egnyte’s storage plugin architecture, our customers can now bring in any storage backend of their choice.

Architecture 52

Architecture Cache Azure Storage 52