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Title
d

dsvoronin

11/13/2018, 8:14 AM
https://kotlinlang.slack.com/archives/C19FD9681/p1542018400136700 Is there any plans to backport 1.0.x dsl to 4.x gradle? Android devs kinda stuck between unstable Android Studio 3.4 canary (gradle 5 rc not even supported yet) and 4.9 kotlin dsl. dsl 1.0rc in 4.10.x has memory leak issue (https://github.com/gradle/kotlin-dsl/pull/1188) i’m only one seeing this?
2
🙏 1
m

Martin Devillers

11/13/2018, 1:20 PM
On the same note, is there a central location where it’s possible to check the Kotlin DSL & Kotlin language versions used with each Gradle release? Right now I’m just looking at the Kotlin DSL release notes at https://github.com/gradle/kotlin-dsl/releases, but it feels clunky.
j

jlleitschuh

11/14/2018, 4:30 PM
@dsvoronin I'd highly doubt that the Kotlin DSL will ever be back ported to the 4.0 API.
d

dsvoronin

11/14/2018, 4:30 PM
it is for 1.0-rc6 or so
4.10.2 has 1.0-rc6 bundled
j

jlleitschuh

11/14/2018, 4:31 PM
Correct.
I've been using the Gradle Kotlin DSL since
0.5.1
. The
1.0-rc6
of the Kotlin DSL is pretty dang stable. You can use it in your builds at least without too much concern about them breaking too much when you update to 5.0.
d

dsvoronin

11/14/2018, 4:34 PM
but… i have memory leak issue with it it’s in first message in this thread
j

jlleitschuh

11/14/2018, 4:35 PM
Ah. Yea. And you can't update to
5.0-rc-3
because of the android support?
d

dsvoronin

11/14/2018, 4:35 PM
it’s so bad, i have to manually kill kotlin compiler process every 2-3 builds
yep
gradle daemon has no control over kotlin daemon, so disabling gradle daemon doesn’t help much
j

jlleitschuh

11/14/2018, 4:36 PM
@eskatos @bamboo Do either of you have a suggested workaround to this problem? You could consider running the Kotlin compiler in-process?
e

eskatos

11/14/2018, 4:40 PM
that leak was in the gradle build daemon, if you have memory issues with the kotlin compiler daemon then that’s something else
d

dsvoronin

11/14/2018, 4:41 PM
it maybe in gradle daemon we disabled it, it became better, but there is also a compiler daemon problem, i’d research it after got to fixed kotlin dsl version
its truly a gradle daemon ) it’s with org.gradle.daemon=false in ~/.gradle/gradle.properties
3 top java processes - gradle 418mb ram -> kotlin daemon
Timeout waiting for all daemons to stop. Waited 1 mins 40.632 secs.
e

eskatos

11/14/2018, 5:07 PM
that looks bad
to rule things out, one at a time, do you use the
kotlin-dsl
plugin?
d

dsvoronin

11/14/2018, 5:08 PM
yep, in buildSrc
there are multiple modules there, most of them uses kotlin-dsl plugin, but not root one
e

eskatos

11/14/2018, 5:08 PM
ok, that’s the guy that triggers the memory leak we fixed in 1.0
can you confirm only your gradle daemon is suffering from memory starvation? just wanna rule out any other unrelated problem with the kotlin compiler daemon
d

dsvoronin

11/14/2018, 5:10 PM
what do you mean? only mine? whole team daemons )
e

eskatos

11/14/2018, 5:10 PM
no I mean gradle build daemon vs. kotlin compiler daemon
d

dsvoronin

11/14/2018, 5:11 PM
it’s hard to say. right now only gradle daemon peaks and hangs. but i encounter situation with kotlin compiler daemon too
e

eskatos

11/14/2018, 5:11 PM
okay
d

dsvoronin

11/14/2018, 5:11 PM
i don’t have in-process mode enabled in properties (like an issue in gradle integration tests)
👍 1
e

eskatos

11/14/2018, 5:14 PM
could you try adding
kotlinDslPluginOptions.experimentalWarning.set(false)
to all your build scripts that apply the
kotlin-dsl
plugin?
it should short-circuit the leaky code path
d

dsvoronin

11/14/2018, 5:14 PM
just added based on your PR fix, i’ll try it now
🤞 1
🤞 but it looks better now, what instances should i look into for memory dump? i’ll double check it later
e

eskatos

11/14/2018, 5:21 PM
Project
instances would be a good indicator
d

dsvoronin

11/14/2018, 5:22 PM
Thanks for the workaround! For backporting stable version of dsl to 4.x . answer is no?
e

eskatos

11/14/2018, 5:22 PM
Not planned
d

dsvoronin

11/14/2018, 5:23 PM
i just don’t know if there any big anchors in 5.x api
ok; we’ll try to carry till android support 5.x gradle
another build log fast-failure custom check, now for “warning kotlindsl uses experimental blabla” 😛
after multiple success builds with daemon enabled (both from console and IDE)
e

eskatos

11/15/2018, 8:10 AM
what is this app? what are the two columns? hard to say anything without more context