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Comparator of Test Results
Čerbák, Patrik ; Kozák, David (oponent) ; Smrčka, Aleš (vedoucí práce)
This bachelor's thesis deals with the topic of OpenJDK testing in Red Hat and how to make this testing more efficient. One of the main problems when testing is comparing whether a particular test failed on only one variant of a test suite or on multiple variants (one test suite with the same tests has many variants – they differ, for example, in operating systems, runtime architecture, etc.). Because of this, in this thesis, a tool is designed and implemented to compare test results on different variants of a test suite. This tool is implemented in the Java programming language and can run standalone as a CLI program or in a dedicated web environment. This comparator is also part of a so-called Jtreg plugin, which is an open source plugin to Jenkins that is used by the OpenJDK QA team at Red Hat. The tool itself allows you to do a lot of things, such as filtering test suites for comparison, creating a failed tests comparison table, a failed tests stack trace similarity table, or a table comparing the build result of individual test suites.
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Podpora tabule v Kopete
Pohl, Lukáš ; Očenášek, Pavel (oponent) ; Mlích, Jozef (vedoucí práce)
Cílem diplomové práce je navrhnout aplikaci, sdílenou tabuli, která umožňuje společné kreslení a sdílení multimediálního obsahu v~reálném čase v~síťovém prostředí pomocí protokolu XMPP mezi dvěma účastníky. Aplikace je součástí open source IM klienta Kopete v~prostředí KDE operačního systému Linux.
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Automatic Component Metadata Extractor and Consolidator for Continuous Integration
Kulda, Jiří ; Smrčka, Aleš (oponent) ; Vojnar, Tomáš (vedoucí práce)
This Master Thesis focuses on the modification of continuous integration practice within the Platform team at Red Hat. The result of this thesis is the Metamorph, tool which will make it possible to unify the continuous integration tools of sub teams under the Platform team. The theoretical part describes the creation of a continuous integration practice and explains its benefits. Subsequently, existing CI tools (in the industry) are presented in detail. The following section demonstrates how continuous integration uses the Jenkins tool. This master thesis also contains the particulars of existing internal CI solutions at Red Hat. In the practical part, the design and implementation of tool that was made during the creation of this master thesis are introduced. In conclusion, the results are tested by one team at Red Hat and a possible extension is outlined.
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Deep Neural Networks Used for Customer Support Cases Analysis
Marušic, Marek ; Ryšavý, Ondřej (oponent) ; Pluskal, Jan (vedoucí práce)
Artificial intelligence is remarkably popular these days. It can be used to resolve various highly complex tasks in fields such as image processing, sound processing, natural language processing, etc. Red Hat has an extensive database of resolved support cases. Therefore an idea was proposed to use these data for data mining and information retrieval in order to ease a resolution process of the support cases. In this work, various deep neural network models were created for prediction of features which could help during the resolution process. Techniques and models used in this work are described as well as their performance in the specific tasks. Comparison of individual models is outlined as well.
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Automatické zpracování pokrytí kódu u jádra operačního systému GNU/Linux
Doktor, Lukáš ; Horák, Karel (oponent) ; Honec, Jozef (vedoucí práce)
Řeší automatické získávání profilačních informací jádra operačního systému GNU/Linux. Využívá spojení existujícího projektu gcov-kernel, Red Hat Test System a volitelných testovacích programů. Red Hat Test System pomáhá s instalací a nastavení počítače. Modifikované jádro umožňuje přistupovat k profilačním datům běžícího jádra. Po ukončení práce jsou tyto informace zpracovány do lidsky čitelné formy.
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Improved Tools for Handling deltarpm Files
Chalk, Matěj ; Hruška, Martin (oponent) ; Vojnar, Tomáš (vedoucí práce)
RPM packages are used for software installation in Fedora. Every version of software packaged in this way corresponds to a separate RPM file. Updating software therefore entails downloading a large RPM file that is actually quite similar to the RPM already installed. An alternative for software updates is provided by DeltaRPM packages, which are special patch files that store the difference between two RPM files. An update then consists of downloading a much smaller file and applying this patch to the older version of the RPM. The deltarpm project defines the format of DeltaRPM files and supplies command-line tools for creating and applying them. However, this implementation is unsuitable for use as a library. The aim of this thesis is to create a new implementation of these tools, which is backwards compatible and provides a library for C developers that solves some of the weaknesses of the current implementation.
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Tool for Querying SSSD Database
Bambušek, David ; Burget, Radek (oponent) ; Kolář, Dušan (vedoucí práce)
This thesis is focused on databases, particularly on SSSD database. SSSD is a set of daemons providing an option to access various identity and authentication resources through one simple application, that also offers offline caching. Thesis describes general information about databases, but mainly focuses on LDAP and LDB, that are used in SSSD. In addition also describes function and architecture of SSSD. Main goal of this thesis was to create a tool, that will be able to query all the data stored in SSSD database.
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