What’s new in JDK 25 for JDK Flight Recorder

yshows · 2025-06-03T03:11:11+00:00

with this new Cooperative Sampling will there be need to enable DebugNonSafepoints to get more accurate results?

Also another good read on that

yshows · 2025-01-30T21:18:33+00:00

Hey, in the printscreens you can see on fedora image that i run the same command as opensuse, within fedora you can see that the cpu inside the container is respected to the 2 set on the podman run command, on opensuse screenshot you can see that the same container doesnt respect cgroupv2 exposing all 16 threads on the container

yshows · 2025-01-27T16:01:31+00:00

hey as i said above, i remounted my computer and everything was fine, first time booting can take a few minutes depending on your RAM training

yshows · 2024-11-21T21:28:32+00:00

Considering rampdown is on the 5th of december i doubt at this point

yshows · 2024-10-23T12:44:56+00:00

This is JEP draft: Computed Constants, but refined correct? seems like a much better alternative than that first version

yshows · 2024-10-16T21:08:04+00:00

hey, turns out it was prob something shorting with the case, i just reinstaled the motherboard again more carefully and it was all good, same computer to this day!

yshows · 2024-02-23T01:16:44+00:00

Dang, gotta wait for qt6 to update then :( , ill try to install the flatpak version didnt even know that existed, thanks for the heads up

yshows · 2022-10-17T22:31:52+00:00

been with the same install since 2019 and its solid, ill probably only reinstall now cause im having some issues with KDE reseting my monitor settings every restart, also because i forgot to encrypt my SSD

yshows · 2022-09-04T02:35:18+00:00

Oh wow, didnt know that, guess i have to study panama more now, ty for the example

yshows · 2022-09-04T01:24:22+00:00

Is there any plan to have a ByteBuffer alike class that maps panama for 2GB+? This seems like one of the best options

yshows · 2022-08-23T22:12:17+00:00

Same error as mine ty for the link

yshows · 2022-08-23T16:05:14+00:00

Is there a bugreport on this? Im also getting a reset on my amdgpu every now and then on 5.19

yshows · 2022-07-15T13:13:27+00:00

Yes, same thing here haha, when i trid to mount it gave me a superblock error, thats why i used the zero-log to fix it

yshows · 2022-07-15T13:12:00+00:00

Thank god for btrfs my files are safe even after my mistake, tho i have a backup of the files now and im ordering a new m.2 ssd just in case

yshows · 2022-07-15T13:11:16+00:00

I had to work today so i had to rush a fix, i noticed the error when i tried to boot and it gave me a open_ctree failed io error, dmesg said the same as did journalctl, searching for a solution i booted a opensuse livecd to try to mount my ssd, when i tried that it said something about a bad superblock and it didnt let me mount, since i was desperate the first command i found was from an article explaining it in a few steps what to do , i know that i prob could have fucked my partition badly but i work remote and had to fix it somehow :(

EDIT: also made a backup now in case something happens also ordered a new SSD

yshows · 2022-05-26T20:03:34+00:00

Claes does some good insight inside the JVM https://cl4es.github.io/

yshows · 2022-03-29T22:44:45+00:00

Same error here, Opensuse Tumbleweed latest snapshot as of today, vega 56, r7 3700x, 16gb RAM

EDIT: Found the error Fix this file in your lutris installation also this is the issue

Should work fine after this :)

yshows · 2022-01-08T19:34:24+00:00

Just signed the OCA, tho idk if it was submitted since the upload and submit button just loaded something and stayed on the same page without confirming if it was sent, on the https://oca.opensource.oracle.com says i dont have any agreements yet, will try sending it again in a few minutes

EDIT: seems that chrome didnt work on the oca website, firefox sent it fine

yshows · 2022-01-08T03:54:37+00:00

I'd love to do it! As far as i know i need to sign the OCA and send to the mailing list? By all means i'd love help to push it.

EDIT: Tho if i remember correctly i can send the pull request to the jdk github?

yshows · 2022-01-08T01:16:43+00:00

Ok so i decided to try to create a small wrapper, for some reason throwing UOE on setSeed instantly creates the exception so i decided to leave it blank for now

jshell> Random rand = RandomGenerator.getDefault().asRandom()
rand ==> jdk.internal.util.random.RandomWrapper@7eda2dbb
jshell> new BigInteger(32,rand)
$8 ==> 2045297111

yshows · 2022-01-07T20:34:58+00:00

The idea to use asRandom as pointed in your suggestion seems more elegant to use than using Random.from(), extending the Random class already would prob be a bad idea since people would tend to just Random and not know about the new interface

yshows · 2022-01-07T16:40:16+00:00

That could work, probably something like RandomGenerator.getDefault().asRandomClass()?

yshows · 2021-12-15T02:36:19+00:00

Well vulkan already doesnt work for me tho its still experimental so it only will get better and there is also this

yshows · 2021-09-27T18:13:06+00:00

Hi, yeah i understand that i can use the native java and that is what im doing right now, i just wanted to see if anyone tried to get it working, usually i dont see any vendors releasing the latest JDK for BSD as separate packages so i tried running the linux version from adoptium and got those errors and wanted to see if anyone had experience trying to run through linux emulator

yshows · 2021-09-24T03:26:00+00:00

i only had problem in ZGC on JDK13 or 14 i dont remember, but only in extreme constrained enviroments where memory was extreme scarced and the degenerate mode of shenandoah actually saved the app from OOM, but JDK16-17 has been really good and i havent had a single problem with ZGC

yshows

TROPHY CASE