bug#47543: "Repeated allocation of very large block" during `guix pull`

[Rostislav Svoboda]

Hope it will help.
Cheers Bost

$ guix pull --cores=24
Updating channel 'nonguix' from Git repository at
'https://gitlab.com/nonguix/nonguix'...
Updating channel 'haskell-and-clojure' from Git repository at
'file:///home/bost/dev/haskell-guix'...
Updating channel 'bost' from Git repository at
'file:///home/bost/dev/guix-packages'...
Updating channel 'guix' from Git repository at
'https://git.savannah.gnu.org/git/guix.git'...
GC Warning: Repeated allocation of very large block (appr. size 69632):
    May lead to memory leak and poor performance
GC Warning: Repeated allocation of very large block (appr. size 69632):
    May lead to memory leak and poor performance
GC Warning: Repeated allocation of very large block (appr. size 69632):
    May lead to memory leak and poor performance
Building from these channels:
  bost      file:///home/bost/dev/guix-packages    251ce7d
  guix      https://git.savannah.gnu.org/git/guix.git    4b3b2e6
  haskell-and-clojurefile:///home/bost/dev/haskell-guix    a8b30a6
  nonguix   https://gitlab.com/nonguix/nonguix    bb184bd
Computing Guix derivation for 'x86_64-linux'... \
nothing to be done


$ guix describe
Generation 707    Sep 20 2023 01:24:32    (current)
  bost 251ce7d
    repository URL: file:///home/bost/dev/guix-packages
    branch: master
    commit: 251ce7d9ce4dd2bbc690189b84706368a5f20823
  guix 4b3b2e6
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 4b3b2e63007acee9e3a8c2ea728190480d092c3c
  haskell-and-clojure a8b30a6
    repository URL: file:///home/bost/dev/haskell-guix
    branch: master
    commit: a8b30a606f91caabec3cc8dc4b1255a69836554e
  nonguix bb184bd
    repository URL: https://gitlab.com/nonguix/nonguix
    branch: master
    commit: bb184bd0a8f91beec3a00718759e96c7828853de

$ guix system describe
Generation 58    Sep 18 2023 14:26:00    (current)
  file name: /var/guix/profiles/system-58-link
  canonical file name: /gnu/store/l91cqriia6jrkasbqdl2k14shd1rnm3w-system
  label: GNU with Linux-Libre 6.4.16
  bootloader: grub-efi
  root device: UUID: 67ce5d9c-7af1-4435-a2a9-68651ab9a281
  kernel: /gnu/store/qhynq8jfskirrn7fj5965ajmrs7zfshc-linux-libre-6.4.16/bzImage
  channels:
    bost:
      repository URL: file:///home/bost/dev/guix-packages
      branch: master
      commit: 36e44740eefa0aa313c2bb4ab30e5d93ee3e8448
    guix:
      repository URL: https://git.savannah.gnu.org/git/guix.git
      branch: master
      commit: 273709932fa47f6ae56c96564a9415fdbff4a169
    haskell-and-clojure:
      repository URL: file:///home/bost/dev/haskell-guix
      branch: master
      commit: a8b30a606f91caabec3cc8dc4b1255a69836554e
    nonguix:
      repository URL: https://gitlab.com/nonguix/nonguix
      branch: master
      commit: bb184bd0a8f91beec3a00718759e96c7828853de
  configuration file:
/gnu/store/f87bpd2bs8zn09jfcjbinwgffjyjy6ng-configuration.scm

$ guix home describe
Generation 894    Sep 20 2023 01:25:31    (current)
  file name: /var/guix/profiles/per-user/bost/guix-home-894-link
  canonical file name: /gnu/store/y67m6gf7jvq06f0pnr06s59hz2hb3wf1-home
  channels:
    bost:
      repository URL: file:///home/bost/dev/guix-packages
      branch: master
      commit: 251ce7d9ce4dd2bbc690189b84706368a5f20823
    guix:
      repository URL: https://git.savannah.gnu.org/git/guix.git
      branch: master
      commit: 4b3b2e63007acee9e3a8c2ea728190480d092c3c
    haskell-and-clojure:
      repository URL: file:///home/bost/dev/haskell-guix
      branch: master
      commit: a8b30a606f91caabec3cc8dc4b1255a69836554e
    nonguix:
      repository URL: https://gitlab.com/nonguix/nonguix
      branch: master
      commit: bb184bd0a8f91beec3a00718759e96c7828853de
  configuration file:
/gnu/store/sz4vw81k5hacngc437w57yqm8zpg8c88-configuration.scm


The two channels specified by file URLs are local copies of my github repos:
  bost:                https://github.com/Bost/guix-packages
  haskell-and-clojure: https://github.com/Bost/haskell-guix