CoreDeveloperApplication
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== Michael Hudson-Doyle == === General feedback === I have worked with Vladimir since the day he joined Canonical and have always found him to be a thoughtful and thorough contributor. He is clearly an expert on Java but I have been impressed with his willingness and ability to dig into unrelated random distro issues as well. I am confident he has the ability to know when to stop and ask for further review of a topic and also that he will be a good reviewer and sponsor for the next round of trainee distro developers and wholeheartedly endorse this application. === Specific Experiences of working together === ''Please add good examples of your work together, but also cases that could have handled better.'' I have sponsored a few fixes that came out of +1 maintenance: * [[https://code.launchpad.net/~vpa1977/ubuntu/+source/rlottie/+git/rlottie/+merge/438432|a C++ issue in rlottie]] * [[https://code.launchpad.net/~vpa1977/ubuntu/+source/gmp/+git/gmp/+merge/434029|a fairly routine merge]] I also sponsored an [[https://code.launchpad.net/~vpa1977/ubuntu/+source/openjdk-8/+git/openjdk-8/+merge/442697|openjdk-8]] merge. In all these changes, Vladimir came to the review step with a well thought out and well targeted solution that required very little review, honestly. The only detail that required tweaking were some details in which changelog entries to preserve doing merges. === Areas of Improvement === I'm not sure Vladimir has worked with a big multi-stage transition yet but he has handled Java upgrades well (much better than we have been handling them historically!) so I'm sure he can figure it all out / ask for help when appropriate. |
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I, Vladimir Petko, apply for core-dev.
Name |
Vladimir Petko |
Launchpad Page |
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Wiki Page |
I am applying because:
- I'd like to eliminate delays in getting my work sponsored.
- I'd like to reduce the burden on my sponsors.
- Be able support core toolchains initiative - introduce a set of core toolchain packages (e.g. build tools such as ant, maven) into main
- Help with the Patch Pilot program
- Support team efforts such as proposed-migration and +1 maintenance.
- Assist in toolchain migrations (e.g. default Java 21)
Who I am
A software developer from Hamilton, New Zealand currently employed by Canonical within the Foundations team.
Prior to joining Canonical I have worked for First Watch (NZ cybersecurity startup), Gallagher (Physical Access Control), OpenWay (Credit card processing), Alcatel-Lucent (Convergent Rating Engine), TopsBI (Life insurance project) and Togethersoft (UML modelling tool).
I hold a specialist diploma in Computer Science from St. Petersburg State Technical University and MSc from University of Waikato.
When I am not in front of the computer I enjoy spending time mountain biking or hiking.
My Ubuntu story
I have started using Ubuntu during the studies in University of Waikato (2011-2015) - I had lucid and later precise installed. It was used as a development environment for the assignments and research.
At Gallagher we have used Ubuntu as a development environment for the T20 reader and eventually switched to it for the controller development. At First Watch we have used Jammy as a host development environment.
My involvement
As a member of the toolchains squad my primary focus is Java and Java packages, though as part of normal Foundations work I am exposed to a wider range of packages, e.g. my first task was fixing cryptsetup autopackage test.
Examples of my work / Things I'm proud of
Ubuntu Contributions:
- Package Fixes:
- SRU:
ca-certificates-java 2037910
openjdk-21 (in progress for focal) 2036873
maven (in progress for focal) [[https://launchpad.net/bugs/1930541|1930541]
- Security Fixes:
ca-certificates-java 2019908
- New Packages:
- Package upgrades:
visualvm 2026700
- Merges
- MIR:
libheif and dependencies (in progress, blocked on Google confirming aom test data licenses) 1827442
- Security Updates:
- prepared openjdk-* security updates for Security Team
General list of changes done
Debian Contributions:
jfractionlab 1053031
ubuntu-dev-tools package tracker
atropos 1055730
libreflections-java 1053055
javatools 1040512
libyuv package tracker
visualvm (new upstream release) package tracker
gnome-split 1053023
lz4-java 1053059
pywebdav package tracker
xml-commons-external 1052617
jamm 1053026
dbus-java 1053021
junit5 1028991
libde265 1052214
nix 1053732
apache-directory-server 1052589
slashtime 1053079
maven-javadoc-plugin package tracker
weka 1053086
aladin 1052586
mvel 1056554
ant 1040264
openjdk-11 changelog
openjdk-17 changelog
openjdk-21 changelog
openjdk-22 changelog
Upstream Contributions
openjdk upstream JDK-8305480, JDK-8305481, JDK-8309847,JDK-8305481, JDK-8311092, JDK-8312488, JDK-8314491, JDK-8314554
jtreg upstream (forwarded patch) JDK-7903539
libde265 Minor warnings cleanup
atop armhf crash
Areas of work
- Provide fixes for openjdk-11..22 (doko), triaging launchpad bugs, report (and if possible ) fix issues upstream.
- Provide bug reports and fixes for the Debian Java Team.
- Prepare OpenJDK Security Releases with Security Team.
- Participate in +1 maintenance and proposed-migrations.
Things I could do better
- Better attention to detail and more use of automation to avoid producing irrecoverable typos in my work.
- Improve communication skills/get to know more people in the community.
Improve my knowledge of Java hotspot internals - we are getting a few platform-specific issues such as JDK-8320278
Plans for the future
General
- Finish clean up of openjdk-* lintian warnings.
- Re-enable openjdk-* autopkgtests.
- Complete libheif MIR (probably this will require creating our set of the test material for AOM).
- Perform Java 21 migration.
- Help to define core Java package set to improve developer experience.
What I like least in Ubuntu
Unmaintained packages - when investigating Java 21 FTBFSes, I have encountered a number of packages that are well behind upstream releases (e.g. weka), or fail to build for a very long time, e.g. android-platform-external-doclava. Probably core Java package effort will allow to ensure that important packages get updated in a timely manner.
- Launchpad Merge UI - it might be a good rainy day project for me to prototype something similiar to Github UI and propose it to Launchpad team.
Comments
If you'd like to comment, but are not the applicant or a sponsor, do it here. Don't forget to sign with @SIG@.
Endorsements
As a sponsor, just copy the template below, fill it out and add it to this section.
Michael Hudson-Doyle
General feedback
I have worked with Vladimir since the day he joined Canonical and have always found him to be a thoughtful and thorough contributor. He is clearly an expert on Java but I have been impressed with his willingness and ability to dig into unrelated random distro issues as well.
I am confident he has the ability to know when to stop and ask for further review of a topic and also that he will be a good reviewer and sponsor for the next round of trainee distro developers and wholeheartedly endorse this application.
Specific Experiences of working together
Please add good examples of your work together, but also cases that could have handled better.
I have sponsored a few fixes that came out of +1 maintenance:
I also sponsored an openjdk-8 merge.
In all these changes, Vladimir came to the review step with a well thought out and well targeted solution that required very little review, honestly. The only detail that required tweaking were some details in which changelog entries to preserve doing merges.
Areas of Improvement
I'm not sure Vladimir has worked with a big multi-stage transition yet but he has handled Java upgrades well (much better than we have been handling them historically!) so I'm sure he can figure it all out / ask for help when appropriate.
TEMPLATE
== <SPONSORS NAME> == === General feedback === ## Please fill us in on your shared experience. (How many packages did you sponsor? How would you judge the quality? How would you describe the improvements? Do you trust the applicant?) === Specific Experiences of working together === ''Please add good examples of your work together, but also cases that could have handled better.'' ## Full list of sponsored packages can be generated here: ## https://udd.debian.org/cgi-bin/ubuntu-sponsorships.cgi === Areas of Improvement ===
vpa1977/CoreDeveloperApplication (last edited 2024-02-19 11:14:46 by ginggs)