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Operating System Related Topics 
Dynatrace
JUNE 12, 2020
We’re continuously working to support the most popular operating systems with high quality OneAgent deployment options. Of course, it’s possible to run a legacy 32-bit application on a 64-bit operating system. Dynatrace news.
DZone
MAY 7, 2019
performance mysql memory operating system bug memory management memory allocatorsWhen users experience memory usage issues with any software, including MySQL, their first response is to think that it’s a symptom of a memory leak. As this story will show, this is not always the case. This story is about a bug.
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All Things Distributed
JULY 20, 2012
Werner Vogels weblog on building scalable and robust distributed systems. Back-to-Basics Weekend Reading - Virtualizing Operating Systems. This weekends back-to-basics reading is on operating system virtualization. There are two papers that deserve the "classic" tag as they both form the basis for operating system virtualization that is in production today. All Things Distributed.
DZone
JANUARY 12, 2021
There are different options to terminate a process in Unix/Linux flavor of operating systems. java open source devops command line operating systems linux operating system linux tools/utilities system admin unix operating system unix osThis article intends to list and provide examples of each option. You can use the kill command to terminate a process by passing the process id.
DZone
DECEMBER 27, 2020
CPU consumption in Unix/Linux operating systems is studied using eight different metrics: User CPU time, System CPU time, nice CPU time, Idle CPU time, Waiting CPU time, Hardware Interrupt CPU time, Software Interrupt CPU time, Stolen CPU time. User CPU Time and System CPU Time. In order to understand ‘user’ CPU Time, one should understand ‘system’ CPU time as well, since they go hand in hand. This will be accounted as ‘system’ CPU time.
DZone
FEBRUARY 13, 2021
‘ Load Average ‘ is an age-old metric reported in various operating systems. When you launch BuggyApp with the following arguments, it will cause high disk I/O operations on the host. tutorial linux operating system performance engineering memory allocation system admin unix operating system cpu memory usage cpu optimizationIt’s often assumed as a metric to indicate the CPU demand only. However, that is not the case.
DZone
JANUARY 16, 2021
CPU consumption in Unix/Linux operating systems is broken down into 8 different metrics: User CPU time , System CPU time , nice CPU time , Idle CPU time , Waiting CPU time , Hardware Interrupt CPU time , Software Interrupt CPU time , and Stolen CPU time. Waiting CPU time indicates the amount of time the CPU spends waiting for disk I/O or network I/O operations to complete.
The Morning Paper
APRIL 4, 2019
Ginseng: keeping secrets in registers when you distrust the operating system Yun & Zhong et al., Suppose you did go to the extreme length of establishing an unconditional root of trust for your system, even then, unless every subsequent piece of code you load is also fully trusted (e.g., In doing so, the app assumes that the operating system (OS) is trustworthy.
Dynatrace
MARCH 8, 2021
Do you keep an eye on the support of distributions and versions of operating systems within your environment? With this information, you can find answers to questions such as: Which operating systems and versions does Dynatrace support? Dynatrace news.
DZone
FEBRUARY 21, 2021
CPU consumption in Unix/Linux operating systems are studied using 8 different metrics: User CPU time , System CPU time , nice CPU time , Idle CPU time , Waiting CPU time , Hardware Interrupt CPU time , Software Interrupt CPU time , and Stolen CPU time. In Unix/Linux operating systems, processes are launched with a priority 0 (default).
The Morning Paper
MARCH 1, 2020
Uncategorized Containers Operating SystemsFirecracker: lightweight virtualisation for serverless applications , Agache et al., NSDI’20. Finally the NSDI’20 papers have opened up to the public (as of last week), and what a great looking crop of papers it is.
The Morning Paper
MAY 21, 2019
” This paper describes a “far memory” system that has been in production deployment at Google since 2016. With a far memory tier in place operators can choose between packing more jobs onto each machine, or reducing the DRAM capacity, both of which lead to TCO reductions. The key to an efficient system is the identification of cold pages: the cold age threshold determines how many seconds we can go without a page being accessed before it is declared cold.
The Morning Paper
DECEMBER 10, 2019
The global object space contains all objects (potentially across multiple systems), allowing persistent pointers to refer to data with long lifetimes and giving software the ability to operate directly on persistent structures. Uncategorized Operating Systems
The Morning Paper
DECEMBER 8, 2019
At the start of November I was privileged to attend HPTS (the High Performance Transaction Systems) conference in Asilomar. This means that the overheads of system calls become much more noticeable. " Uncategorized Hardware Operating Systems
Scalegrid
JULY 13, 2020
Oracle Database is a commercial, proprietary multi-model database management system produced by Oracle Corporation, and the largest relational database management system (RDBMS) in the world. Supported Operating Systems.
The Morning Paper
MAY 27, 2019
abstract capabilities are constructed only through legitimate provenance chains of operations, successively reducing permissions from initial maximally permissive capabilities provided at machine reset. And this all has to work for whole-system executions, not just the C-language portion of user processes. The MIPS rows show the test suite results on a standard mips64 system. faster for system calls). Uncategorized Operating Systems Security
The Morning Paper
MAY 23, 2019
Uncategorized Hardware Operating SystemsCompress objects, not cache lines: an object-based compressed memory hierarchy Tsai & Sanchez, ASPLOS’19. Last time out we saw how Google have been able to save millions of dollars though memory compression enabled via zswap. One of the important attributes of their design was easy and rapid deployment across an existing fleet.
The Morning Paper
MAY 30, 2019
LeaseOS borrows the concept of a lease from distributed systems, but with a rather nice twist, and is able to reduce power wastage by 92% with no disruption to application experience and no changes required to the apps themselves. Android’s Doze mode defers app background CPU and network activity when the device is unused for a long time, but is very conservative in when it triggers as it is a system-wide mode. Uncategorized mobile Operating Systems
The Morning Paper
APRIL 14, 2019
Just as today’s systems offer memory protection, they call this time protection. The paper focuses on two key use cases: A confined component running in its own security domain, connected to the rest of the system by explicit (e.g. “ To avoid the interconnect channel, we have to assume the system either runs on a single core (at least while the sensitive code is executing), or co-schedules domains across the core, such that at any time only one domain executes.
All Things Distributed
MAY 10, 2013
Werner Vogels weblog on building scalable and robust distributed systems. Back-to-Basics Weekend Reading - Using continuations to implement thread management and communication in operating systems. During the nineties much operating systems research focussed on microkernels , which resulted in a large collection of prototype systems: Mach 3.0, Dean, Proceedings of the thirteenth ACM symposium on Operating systems principles Pages 122-136.
Scalegrid
MAY 5, 2022
operating system, as well as by using ScaleGrid’s managed database service. In this blog post, we will show you a step-by-step guide on how to install and set up a MySQL server both manually on the Ubuntu 20.04
All Things Distributed
JANUARY 19, 2011
Werner Vogels weblog on building scalable and robust distributed systems. Flexibility is one of the key principles of Amazon Web Services - developers can select any programming language and software package, any operating system, any middleware and any database to build systems and applications that meet their requirements. All Things Distributed. AWS Elastic Beanstalk: A Quick and Simple Way into the Cloud. By Werner Vogels on 18 January 2011 04:00 PM. Permalink.
Dynatrace
JANUARY 9, 2022
Operating systems. Future Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 March 2022. The following operating systems will no longer be supported starting 01 April 2022.
Dynatrace
OCTOBER 17, 2021
Operating systems. Future Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 December 2021. The following operating systems will no longer be supported starting 01 February 2022.
Dynatrace
JUNE 8, 2022
Operating systems. Future Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 July 2022. The following operating systems will no longer be supported starting 01 August 2022.
DZone
MARCH 9, 2022
Most tests validating website or app functionality must be rerun on different platforms (devices, browsers, operating systems). More often than not, testers have to deal with a large codebase comprising hundreds or even thousands of tests.
Dynatrace
FEBRUARY 6, 2022
Future Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 March 2022. The following operating systems will no longer be supported starting 01 April 2022. Dynatrace news.
Dynatrace
JUNE 8, 2021
Operating systems. Current Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 July 2021. Future Dynatrace OneAgent operating systems support changes. Dynatrace news.
DZone
DECEMBER 17, 2021
The load testing for the database needs to be conducted usually so that the impact on the system can be monitored in different scenarios, such as query language rule optimization, storage engine parameter adjustment, etc. The operating system in this article is the x86 CentOS 7.8.
Dynatrace
APRIL 1, 2022
Operating systems. Future Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 June 2022. The following operating systems will no longer be supported starting 01 July 2022.
DZone
DECEMBER 30, 2021
This makes cross-browser testing extremely important as it lets you compare the functionalities and design of a website on multiple browsers, devices, and platforms (operating systems).
Dynatrace
JULY 26, 2021
Future Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 October 2021. The following operating systems will no longer be supported starting 01 December 2021. Dynatrace news.
Dynatrace
NOVEMBER 10, 2020
Current Operating systems support changes. The following operating systems will no longer be supported starting 01 December 2020. Upcoming Operating systems support changes. The following operating systems will no longer be supported starting 01 January 2021. The following operating systems will no longer be supported starting 01 February 2021. The following operating systems will no longer be supported starting 01 May 2021.
Dynatrace
NOVEMBER 22, 2021
Operating systems. Future Dynatrace OneAgent operating systems support changes. The following operating systems will no longer be supported starting 01 February 2022. The following operating systems will no longer be supported starting 01 March 2022.
DZone
NOVEMBER 4, 2021
It becomes even more complicated when it involves different device-operating system combinations. Introduction. The software market is constantly growing, and so are the browsers and devices. Customers are no more naive in choosing the best websites to fulfill their needs.
Dynatrace
SEPTEMBER 21, 2020
Operating systems. Upcoming Operating systems support changes. The following operating systems will no longer be supported starting 01 November 2020. The following operating systems will no longer be supported starting 01 December 2020. The following operating systems will no longer be supported starting 01 January 2021. The following operating systems will no longer be supported starting 01 February 2021.
SQL Shack
OCTOBER 6, 2021
SQL Server works on top of the operating system and works closely with these resources. This article gives an insight into the configuration of Min and Max memory for SQL Server Database instances.
DZone
AUGUST 6, 2021
The entire process of Cloud Testing is operated online with the help of the required infrastructure. This primarily helps the QA teams to deal with the challenges like limited availability of devices, browsers, and operating systems.
DZone
JUNE 19, 2020
However, we will lay extra emphasis on Windows OS and Mac OS because they are popular operating systems out there right now. It is always exciting for developers from all over the world whenever they get to showcase their best code editor at computer expos and tech conferences.
DZone
SEPTEMBER 3, 2020
Cross-browser testing is testing your website or web application in different browsers or browser versions or devices and operating systems to make sure that the web app or website works perfectly in all of them. Hassle in a startup is not a new thing. Most startups struggle to grow.
Dynatrace
APRIL 6, 2020
Operating systems. Current Operating systems support changes. The following operating systems will no longer be supported starting 01 May 2020. Dynatrace news. New features and enhancements. Easily change OneAgent metadata, host name, and monitoring mode. Added support for Spring AMQP 2.2. Added support for Go 1.14 for Linux, Alpine Linux 64-bit (x86), Windows (x86). Added support for EulerOS 2.3, Current support changes.
Dynatrace
JULY 26, 2021
The installer will automatically discover the operating system mode and adjust its configuration. To make it work, additional semanage (SELinux Policy Management tool) package has to be installed in your system. Dynatrace news. New features and enhancements. General.
Dynatrace
JUNE 29, 2020
Operating systems. Upcoming Operating systems support changes. The following operating systems will no longer be supported starting 01 August 2020. The following operating systems will no longer be supported starting 01 November 2020. The following operating systems will no longer be supported starting 01 December 2020. The following operating systems will no longer be supported starting 01 January 2021.
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