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remove support for Solaris (fixes #5216) #5226

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merged 2 commits into from
May 22, 2022
Merged

remove support for Solaris (fixes #5216) #5226

merged 2 commits into from
May 22, 2022

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jameslamb
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Fixes #5216 .
Related to #3513.

Per the discussion in #5217 (comment), this PR proposes removing support for the Solaris operating system in LightGBM.

That support was added only to get {lightgbm} (the R package) onto CRAN, so that it would be easier for R users to install.
There is strong evidence (provided in that comment) that CRAN no longer requires packages to be installable on Solaris.

I'm proposing removing this support for the following reasons:

  1. R Hub is the only easy-to-use option we have found for testing that LightGBM is portable to Solaris, and the fact that CRAN no longer requires such portability means that incidents like [ci] Solaris R hub build is failing: "installation of package ‘Matrix’ had non-zero exit status" #5216 which prevent us from testing on R Hub could easily happen again
  2. LightGBM is already struggling from a lack of maintainer activity, and removing a source of maintenance burden will allow us to focus our limited time and attention on higher-value areas of the project.

guolinke
guolinke approved these changes May 21, 2022
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I like the PR that deletes codes 😆

StrikerRUS
StrikerRUS approved these changes May 22, 2022
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Excellent, thanks a lot! Really like to see these changes!

R-package/tests/testthat/test_learning_to_rank.R
expect_true(abs(eval_results[[2L]][["value"]] - 0.745986) < TOLERANCE)
expect_true(abs(eval_results[[3L]][["value"]] - 0.7351959) < TOLERANCE)
}
})

test_that("learning-to-rank with lgb.cv() works as expected", {
testthat::skip_if(
ON_SOLARIS || ON_32_BIT_WINDOWS
ON_32_BIT_WINDOWS
, message = "Skipping on Solaris and 32-bit Windows"
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Suggested change
, message = "Skipping on Solaris and 32-bit Windows"
, message = "Skipping on 32-bit Windows"

@guolinke guolinke merged commit b077415 into master May 22, 2022
@guolinke guolinke deleted the remove-solaris branch May 22, 2022 01:28
@jameslamb
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Thanks for merging this @guolinke , but I didn't get a chance to address the suggestion in #5226 (comment). I'll open a follow-up PR to address that.

In the future, can you please avoid merging before all suggestions have been addressed?

@guolinke
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Thanks for merging this @guolinke , but I didn't get a chance to address the suggestion in #5226 (comment). I'll open a follow-up PR to address that.

In the future, can you please avoid merging before all suggestions have been addressed?

Sorry, I just saw 2 approves, will check the details next time.

@jameslamb
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no problem! @StrikerRUS, @jmoralez and I sometimes approve but with minor suggestions, meaning "I approve assuming you fix this minor suggestion", to avoid another round of reviews.

@guolinke
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no problem! @StrikerRUS, @jmoralez and I sometimes approve but with minor suggestions, meaning "I approve assuming you fix this minor suggestion", to avoid another round of reviews.

Actually, I tried the GitHub App on my mobile phone to review issues and codes yesterday, and didn't realize it hides the approved comment by default 🤣 .

@jameslamb jameslamb mentioned this pull request May 23, 2022
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This was referenced May 23, 2022
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jameslamb pushed a commit that referenced this pull request Jul 29, 2022
@btrotta
Use double precision in threaded calculation of linear tree coefficie…
44d3718 
…nts (fixes #5226) (#5368)
@jameslamb jameslamb mentioned this pull request Aug 29, 2022
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@jameslamb jameslamb mentioned this pull request Oct 7, 2022
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This pull request has been automatically locked since there has not been any recent activity since it was closed. To start a new related discussion, open a new issue at https://github.com/microsoft/LightGBM/issues including a reference to this.

@github-actions github-actions bot locked as resolved and limited conversation to collaborators Aug 19, 2023
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@guolinke guolinke guolinke approved these changes

@StrikerRUS StrikerRUS StrikerRUS approved these changes

@jmoralez jmoralez Awaiting requested review from jmoralez jmoralez is a code owner

@shiyu1994 shiyu1994 Awaiting requested review from shiyu1994 shiyu1994 is a code owner

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[ci] Solaris R hub build is failing: "installation of package ‘Matrix’ had non-zero exit status"
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@jameslamb @guolinke @StrikerRUS