The Morning Paper

MARCH 10, 2020

Characterizing, modeling, and benchmarking RocksDB key-value workloads at Facebook , Cao et al., Or in the case of key-value stores, what you benchmark. So if you want to design a system that will offer good real-world performance, it’s really useful to have benchmarks that accurately represent real-world workloads.

Benchmarking 59

Benchmarking Storage Cache Open Source 59

n0derunner

JULY 23, 2019

Effect of removing CPU constraints and maintaining data locality on a running DB instance. In this video I migrate a Postgres DB running PGbench benchmark. 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.

Benchmarking 76

Benchmarking Storage Tuning Cache 76

John McCalpin

APRIL 25, 2023

With that in mind, I decided to mine some historical data (and run a few new experiments) to see how single-thread/single-core memory bandwidth has evolved over the last 10-15 years. GHz, 1530 GB/s peak BW from 6 HBM stacks), I see single-thread sustained memory bandwidth of 304 GB/s on the ReadOnly benchmark used here. Stay tuned!

Benchmarking 97

Benchmarking Cache Latency Tuning 97

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. These have inspired me to summarize another performance activity: evaluating benchmark accuracy. If the benchmark reported 20k ops/sec, you should ask: why not 40k ops/sec?

Benchmarking 54

Benchmarking Latency Cache Network 54

Percona

NOVEMBER 3, 2023

When it comes to Citus, successfully building out and scaling a PostgreSQL cluster across multiple nodes and even across data centers can feel, at times, to be an art form because there are so many ways of building it out. The following invocation generates almost 4GB of data.

Database 102

Database Benchmarking Latency C++ 102

Dynatrace

MAY 5, 2021

Quality gates are benchmarks in the software delivery lifecycle that define specific, measurable, and achievable success criteria a service must meet before moving to the next phase of the software delivery pipeline. Enforcing benchmarks in real time. What are quality gates? Using quality gates for measurable impacts.

Benchmarking 182

Benchmarking Latency Speed Software 182

Brendan Gregg

JUNE 29, 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. These have inspired me to summarize another performance activity: evaluating benchmark accuracy. If the benchmark reported 20k ops/sec, you should ask: why not 40k ops/sec?

Benchmarking 40

Benchmarking Latency Cache Network 40

HammerDB

OCTOBER 18, 2019

HammerDB doesn’t publish competitive database benchmarks, instead we always encourage people to be better informed by running their own. So over at Phoronix some database benchmarks were published showing PostgreSQL 12 Performance With AMD EPYC 7742 vs. Intel Xeon Platinum 8280 Benchmarks .

Benchmarking 63

Benchmarking Performance Hardware C++ 63

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

Dynatrace

OCTOBER 2, 2023

Teams can gain this understanding through topology mapping , with telemetry data from request traces, and understanding how the frontend ties to backend functions. Use SLAs, SLOs, and SLIs as performance benchmarks for newly migrated microservices. Deploy changes fast to optimize performance and eliminate bottlenecks.

Architecture 231

Architecture Artificial Intelligence Cloud Open Source 231

Dynatrace

FEBRUARY 10, 2022

In the worst case, you have to inform customers and the public about security breaches and stolen data. A perfect OWASP benchmark score for injection attacks – 100% accuracy and zero false positives – impressively proves the precision of our approach.

Traffic 233

Traffic Benchmarking Innovation Java 233

HammerDB

APRIL 19, 2023

GHz 4th Generation Intel Xeon Scalable processors (code-named Sapphire Rapids) Up to 20% higher compute performance than z1d instances Up to 50 Gbps of networking speed Up to 40 Gbps of bandwidth to the Amazon Elastic Block Store (EBS) We can also verify these capabilities by running some simple benchmarks on the different subsystems.

Performance 54

Performance Benchmarking Cache Storage 54

Percona

JANUARY 2, 2024

We decided to run a few benchmarks to understand how the thread pool affects long-running transactions. This server is not intended to be a perfectly tuned one but just a baseline to compare the behavior under different concurrency configurations. For this reason, I’ve set up a server with the following specs: r6a.2xlarge

Benchmarking 82

Benchmarking Servers Tuning C++ 82

Percona

MARCH 23, 2023

While NVMe or SSDs are generally more expensive than HDDs, the increased performance and reliability that they offer make them a cost-effective choice for database servers that require fast access to data and minimal downtime. Benchmark before you decide. If you see concurrency issues, you can tune this variable.

Performance 123

Performance Hardware Tuning Storage 123

HammerDB

OCTOBER 18, 2018

With this feature Oracle generates a wealth of performance data that can be reviewed once the test is complete. However what if you want to review performance data in real time as the test is running? With HammerDB 3.1 you can now do that with Oracle Metrics. .

Benchmarking 40

Benchmarking Monitoring Performance C++ 40

Dynatrace

AUGUST 5, 2020

With Dynatrace, you can also validate your findings against Real User Monitoring data or even drill down to the code level to pinpoint the root cause of a change in performance. This is definitely a great starting benchmark against which to optimize your application. Validate synthetic results with real user data.

Metrics 214

Metrics Monitoring Performance Benchmarking 214

Dynatrace

MARCH 25, 2022

Indeed, according to recent Uptime Institute data, outages have become far more expensive over the past several years. With an observability platform powered by contextual software intelligence, organizations can gather data on incidents in real-time and proactively. In a breakout session at Dynatrace Perform 2022, they explained how.

Benchmarking 171

Benchmarking Efficiency DevOps Tuning 171

The Morning Paper

NOVEMBER 3, 2019

Perhaps the most interesting lesson/reminder is this: it takes a lot of effort to tune a Linux kernel. Google’s data center kernel is carefully performance tuned for their workloads. A micro-benchmark suite, LEBench was then built around tee system calls responsible for most of the time spent in the kernel.

Performance 108

Performance Benchmarking Tuning Hardware 108

Dynatrace

JULY 16, 2019

Synthetic clickpath monitors are a great way to automatically monitor and benchmark business-critical workflows 24/7. For storing data across events (monitor steps), use the api.setValue method. Until now, it was only possible to retrieve stored data via a JavaScript event. Dynatrace news. Checking out of a retail site.

Monitoring 163

Monitoring Retail Benchmarking Tuning 163

Scalegrid

MARCH 22, 2024

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. Hosting either on-premises or with third-party data center providers and deciding whether management services should be conducted internally or outsourced.

Strategy 130

Strategy Cloud Government Innovation 130

Scalegrid

JULY 13, 2020

Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. Oracle requires more complex ongoing administration, as all database configurations must evolve in conjunction with the data schemas and custom code. CitusDB – distributes data and queries horizontally across nodes.

Open Source 244

Open Source Tuning C++ Database 244

Dynatrace

APRIL 8, 2021

These served as our benchmark when creating our Lambda monitoring extension. To provide dynamic content, SPAs mostly rely on REST APIs to fetch their data using a means provided by modern browsers, such as XHR or fetch. So, stay tuned for more blog posts and announcements. Top enterprise use-cases for AWS Lambda.

Lambda 221

Lambda AWS Serverless Monitoring 221

Percona

OCTOBER 12, 2023

Manual flame graphs collection Although the tool is excellent and automatically provides flame graphs, we don’t have much control over tuning the selected profiler. A simple sysbench benchmark on MySQL shows an overhead between six and 10 percent on CPU-bound systems when running perf with the default sampling frequency of 4000 Hz.

Code 106

Code Tuning C++ Benchmarking 106

Adrian Cockcroft

JUNE 21, 2022

Another big jump, but now it was my job to run benchmarks in the lab, and write white papers that explained the new products to the world, as they were launched. 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.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Scalegrid

OCTOBER 24, 2019

Slave-2 uses an EBS data disk, and you can configure the amount of IOPS required for your cluster. This configuration provides complete safety for your data, even in the event you lose the local SSD disks. MySQL Performance Benchmark Configuration. No more network-based EBS, just blazing-fast local SSD. xlarge (30.5 5,000,000.

AWS 183

AWS Latency Performance Benchmarking 183

Dynatrace

APRIL 8, 2021

These served as our benchmark when creating our Lambda monitoring extension. To provide dynamic content, SPAs mostly rely on REST APIs to fetch their data using a means provided by modern browsers, such as XHR or fetch. So, stay tuned for more blog posts and announcements. Top enterprise use-cases for AWS Lambda.

Lambda 182

Lambda AWS Serverless Monitoring 182

Percona

NOVEMBER 3, 2023

From upholding data integrity to ensuring no data is lost during the transition, there’s a lot to consider. Data preparation: How are you going to backup and cleanse your data? Schema, data, and app migration: Do you have the right tools at your disposal? Have you tuned your environment?

Database 80

Database Open Source Benchmarking Strategy 80

The Netflix TechBlog

OCTOBER 19, 2020

Traces collected from various microservices are ingested in a stream processing manner into the data store. Edgar uses this infrastructure tagging schema to query and join traces with log data for troubleshooting streaming sessions. Stream Processing: to sample or not to sample trace data?

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Percona

MARCH 27, 2023

Disclaimer : This blog post is meant to show a less-known problem but is not meant to be a serious benchmark. If you rely heavily on queries against information_schema, then your workload will benefit from upgrading to MySQL/Percona Server for MySQL 8 because of the new data dictionary format. Results for Percona Server for MySQL 8.0

Cache 98

Cache Hardware Servers Benchmarking 98

Dynatrace

FEBRUARY 25, 2021

Also, agents optimize communication and, therefore, send monitoring data to back ends in batches. As a Lambda function can freeze anytime without warning, a Lambda code module needs to try to get the data out-of-process as quickly as possible without extending the runtime of the Lambda function too much. Stay tuned?for

Lambda 218

Lambda AWS Monitoring Serverless 218

The Morning Paper

NOVEMBER 28, 2019

Some of these examples have been hand-tuned to make them efficient for TLC to check, no such tuning is done for APALACHE. 4 seconds on this same benchmark). We hope that with the growing number of users, specifications will get tuned to our model checker, as is now happening with TLC. But when TLC starts to struggle (e.g.,

Tuning 106

Tuning Benchmarking Efficiency Systems 106

HammerDB

NOVEMBER 5, 2018

This post at an entry-level discusses the options you have to improve log throughput in your benchmark environment. . Before the database is started your data should be in a consistent state on disk. When the database is started a component of the in-memory database instance is the data buffer.

Benchmarking 40

Benchmarking Database C++ Virtualization 40

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. This helps to minimise locking allowing multiple sessions to access the same data at the same time. However, it is crucial that the benchmarking application does not have inherent bottlenecks that artificially limits the scalability of the database.

Programming 67

Programming Benchmarking Virtualization C++ 67

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

The Morning Paper

JUNE 27, 2019

Systems researchers are doing an excellent job improving the performance of 5-year old benchmarks, but gradually making it harder to explore innovative machine learning research ideas. That said, after around 17 minutes Tensor Comprehensions does find a solution that outperforms a hand-tuned CUDA solution.

Systems 87

Systems Tuning Programming Innovation 87

Brendan Gregg

FEBRUARY 9, 2018

In this post I'll look at the Linux kernel page table isolation (KPTI) patches that workaround Meltdown: what overheads to expect, and ways to tune them. I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. Much of my testing was on Linux 4.14.11

Performance 75

Performance Benchmarking Cache Tuning 75

Percona

JANUARY 19, 2023

With disks being faster nowadays and CPU and memory resources being cheaper, we could easily say MySQL can handle TBs of data with good performance. For instance, in Percona Managed Services , we have many clients with TBs worth of data that are well performant. There are many compression tools and algorithms for data out there.

Open Source 85

Open Source Storage Database Big Data 85