HammerDB

OCTOBER 18, 2019

rc3-custom #1 SMP Mon Aug 12 14:07:33 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Welcome to Ubuntu 19.04 (GNU/Linux 5.3.0-rc3-custom So lets take an Ubuntu system with Platinum 8280 CPUs with the following Ubuntu OS, reboot and check the CPU configuration before running any tests. uname -a Linux ubuntu19 5.3.0-rc3-custom rc3-custom x86_64).

Benchmarking 63

Benchmarking Performance Hardware C++ 63

The Morning Paper

JUNE 30, 2019

Today we’re jumping from HotOS topics of 2019, to hot topics of 1977! In such a situation I’d expect to see unusually high latencies, but normal throughput). general purpose operating system with virtual memory). The convoy phenomenon Blasgen et al., IBM Research Report 1977 (revised 1979). What is a convoy and why do they form?

Traffic 75

Traffic Latency Programming Scalability 75

The Morning Paper

DECEMBER 10, 2019

HotStorage 2019. This is a companion paper to the " persistent problem " piece that we looked at earlier this week, going a little deeper into the object pointer representation choices and the mapping of a virtual object space into physical address spaces. Virtualization exceptions act as the equivalent of page faults.

Hardware 52

Hardware Virtualization Operating System Programming 52

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

SQL Performance

APRIL 27, 2020

Fast forward a few years after Azure SQL Database was released to when Azure SQL Managed Instance was in public preview, and "vCores" (virtual cores) were announced for Azure SQL Database. Microsoft took that idea and built a new compute tier called Azure SQL Database serverless, which became generally available in November 2019.

Azure 55

Azure Database Serverless Hardware 55

Enprowess

SEPTEMBER 7, 2021

with its low latency I/O operations, gives the benefit of ‘No buffering’ to developers. React is an open-source front-end library based on JavaScript, created and maintained by Facebook, and is well known for its virtual DOM feature. The performance of React improves because of the Virtual DOM algorithm. Faster virtual DOM.

Open Source 52

Open Source Virtualization Programming Servers 52

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object).

Speed 52

Speed Java AWS Virtualization 52

O'Reilly

DECEMBER 2, 2019

For applications like communication between AVs, latency–how long it takes to get a response–is more likely to be a bigger limitation than raw bandwidth, and is subject to limits imposed by physics. There are impressive estimates for latency for 5G, but reality has a tendency to be harsh on such predictions. Upcoming events.

Wireless 55

Wireless Serverless IoT Artificial Intelligence 55

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object).

Speed 40

Speed Java AWS Virtualization 40

HammerDB

OCTOBER 12, 2018

maximum transition latency: Cannot determine or is not supported. . Note that the following section applies in particular to pre-2019 versions of MySQL and MariaDB and more recent versions of MySQL 8 have already been updated for optimal performance on multiple platforms and therefore the change is this section is not required).

Best Practices 40

Best Practices Scalability Performance C++ 40

Smashing Magazine

JANUARY 11, 2021

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Designed for the modern web, it responds to actual congestion, rather than packet loss like TCP does, it is significantly faster , with higher throughput and lower latency — and the algorithm works differently.

Performance 145

Performance Cache Metrics Media 145