SQL Performance

OCTOBER 7, 2020

Its raison d’être is to cache result rows from a plan subtree, then replay those rows on subsequent iterations if any correlated loop parameters are unchanged. Table-valued functions use a table variable, which can be used to cache and replay results in suitable circumstances. Spools are the least costly way to cache partial results.

Servers 106

Servers Cache Azure Performance 106

The Morning Paper

SEPTEMBER 19, 2019

We’ve been covering papers from VLDB 2019 for the last three weeks, and next week it will be time to mix things up again. I really do want to cover this one at some point, along with Implementation of cluster-wide logical clock and causal consistency in MongoDB from SIGMOD 2019. Autoscaling tiered cloud storage in Anna.

Blockchain 46

Blockchain Hardware Google Speed 46

SQL Server According to Bob

MAY 19, 2019

For example, Azure SQL Database Edge can already use TSQL Predict Machine Learning (ML) and Column Storage. The lock manager has partitions, lock block cache and other structures. Reduce the number of partitions and size of the cache. IO Request Caches. SQLPAL may cache I/O request structures with each thread.

IoT 61

IoT Servers Development Cache 61

SQL Performance

APRIL 27, 2020

The basic tier provides up to 5 DTUs with standard storage. The standard tier supports from 10 up to 3000 DTUs with standard storage and the premium tier supports 125 up to 4000 DTUs with premium storage, which is orders of magnitude faster than standard storage. vCore Pricing Tier. GB per vCore. HyperScale Database.

Azure 55

Azure Database Serverless Hardware 55

HammerDB

JUNE 27, 2022

Given the increasing importance of open source and the widespread use of HammerDB, the TPC adopted HammerDB in 2019 and now hosts the project on GitHub. Cached vs Scaled Workloads. A key difference between cached and scaled workloads is the implementation of keying and thinking time to introduce a pause of time between transactions.

Benchmarking 63

Benchmarking Open Source C++ Cache 63

Smashing Magazine

JANUARY 15, 2019

2019-01-15T13:30:32+01:00. 2019-04-29T18:34:58+00:00. An obvious metric here is CPU usage, but memory usage and other forms of data storage also play their part. But with Firefox due to begin support for it in version 65 (due in January 2019), it’s only a matter of time before remaining stragglers like Safari catch up.

Website Performance 78

Website Performance Website Energy Performance 78

SQL Performance

SEPTEMBER 6, 2022

I happen to be using SQL Server 2019 CU16 but the details I’ll describe haven’t materially changed since partition level lock escalation was added to SQL Server 2008. SET NOCOUNT , XACT_ABORT ON ; -- Prevent plan caching for this procedure. -- See [link]. Testing environment. Let’s look at some examples using a fresh database.

Database 98

Database Testing Storage Servers 98

Brendan Gregg

FEBRUARY 28, 2023

Make sure your system can handle next-generation DRAM,” [link] , Nov 2011 [Hruska 12] Joel Hruska, “The future of CPU scaling: Exploring options on the cutting edge,” [link] , Feb 2012 [Gregg 13] Brendan Gregg, “Blazing Performance with Flame Graphs,” [link] , 2013 [Shimpi 13] Anand Lal Shimpi, “Seagate to Ship 5TB HDD in 2014 using Shingled Magnetic (..)

Performance 52

Performance Latency Cache Virtualization 52

Brendan Gregg

APRIL 14, 2022

offer letter logo (2014) flame graphs (2014) eBPF tools (2014-2019) PMC analysis (2017) my pandemic-abandoned desk (2020); office wall I joined Netflix in 2014, a company at the forefront of cloud computing with an attractive work culture. A large and unexpected opportunity has come my way outside of Netflix that I've decided to try.

Java 52

Java Cloud Cache AWS 52

SQL Performance

APRIL 8, 2019

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. The L3 cache size is 64MB. The L3 cache size is 64MB. They feature low latency, local NVMe storage that can directly leverage the 128 PCIe 3.0 lanes for I/O connectivity.

Azure 42

Azure Virtualization Storage Benchmarking 42

SQL Performance

NOVEMBER 30, 2021

Whether the page is dirty or not (a dirty page has changes on it that haven’t yet been written back to durable storage). I created this contrived example on a laptop running SQL Server 2019 with 8 processor cores, 32GB of memory, and solid-state disks. The memory location of the 8KB page in the buffer pool. ) ; GO.

Efficiency 54

Efficiency Servers Database Cache 54

CSS Wizardry

MARCH 3, 2019

To this end, having a solid caching strategy can make all the difference for your visitors. ?? How is your knowledge of caching and Cache-Control headers? — Harry Roberts (@csswizardry) 3 March, 2019. Cache-Control. The amount of control we’re granted makes for very intricate and powerful caching strategies.

Cache 270

Cache Latency Strategy Servers 270

Enprowess

JANUARY 12, 2022

So it is convenient for all to use irrespective of internet speed and it works offline using cached data. Other benefits: It has other benefits like a Quicker launch to the market, Easier distribution, saving device power and storage, seamless maintenance, and updating. Blockchain technology is an encrypted database storage system.

Blockchain 59

Blockchain IoT Development Serverless 59

The Netflix TechBlog

OCTOBER 15, 2019

caching (Memcached etc.), Thus, ensuring the atomicity of writes across different storage technologies remains a challenging problem for applications [3]. To improve the recovery time for this scenario, we started using block storage volumes (Amazon Elastic Block Store) instead of local disks on the brokers.

Transportation 199

Transportation Architecture Processing Storage 199

SQL Server According to Bob

DECEMBER 18, 2018

Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system. Neal, Matt, and others from Windows Storage, Windows Azure Storage, Windows Hyper-V, … validating Windows behaviors. · Any storage device that can survive a power outage. Starting with the Linux 4.18

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

OCTOBER 29, 2019

2019-10-29T12:30:59+02:00. 2019-10-29T13:36:09+00:00. Here’s what Google suggests: PageSpeed Insights demonstrates how much storage and bandwidth websites stand to save with WebP. What Is WebP Caching? Caching is an integral part of keeping any website running fast. And WebP caching is only going to make it better.

Website 75

Website Speed Cache Google 75

Smashing Magazine

OCTOBER 22, 2019

2019-10-22T12:30:59+02:00. 2019-10-22T13:06:35+00:00. According to HTTP Archive : The median size of a desktop website in 2019 is 1939.5 The median size of a mobile website in 2019 is 1745.0 Instead, you can integrate your existing image server (on your web host) or external storage service (like S3) with ImageKit.

Mobile 73

Mobile Media Website Storage 73

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Vitaly Friedman. Web performance is a tricky beast, isn’t it? Other options are available , too.

Performance 111

Performance Cache Network Metrics 111

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. This improves page load time and caching during navigations.

Performance 145

Performance Cache Metrics Media 145

Smashing Magazine

JANUARY 6, 2020

Geekbench CPU performance benchmarks for the highest selling smartphones globally in 2019. The idea is quite straightforward: Push the minimal code needed to get interactive for the initial route to render quickly, then use service worker for caching and pre-caching resources and then lazy-load routes that you need, asynchronously.

Performance 112

Performance Cache Servers Network 112