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2024-08-21cache: Avoid cache cleanup storms from concurrent processes....Reported by Christopher Baines <guix@cbaines.net>. * guix/cache.scm (maybe-remove-expired-cache-entries): Define ‘expiry-port’; create it with ‘lock-file’. Change ‘last-expiry-date’ accordingly. Write timestamp straight to ‘expiry-port’. * tests/cache.scm ("maybe-remove-expired-cache-entries, cleanup needed but lock taken"): New test. Change-Id: I22441d9d2c4a339d3d3878de131864db5a0ae826 Ludovic Courtès
2022-06-04cache: Catch invalid 'last-expiry-cleanup'....Fixes <http://issues.guix.gnu.org/55638>. * guix/cache.scm (maybe-remove-expired-cache-entries)[last-expiry-date]: Use 'get-string-all' + 'string->number' instead of 'read'; ignore invalid numbers. * tests/cache.scm ("maybe-remove-expired-cache-entries, empty cache") ("maybe-remove-expired-cache-entries, corrupted cache"): New tests. Co-authored-by: Ludovic Courtès <ludo@gnu.org> zimoun
2020-03-22Remove workaround for 'time-monotonic' in Guile 2.2.2....This is a followup to e688c2df3924423b67892cc9939ca099c729d1cb. * build-aux/hydra/evaluate.scm <top level>: Remove 'time-monotonic' definition. * guix/cache.scm: Likewise. * guix/progress.scm: Likewise. * guix/scripts/substitute.scm: Likewise. * guix/scripts/weather.scm: Likewise. * tests/cache.scm: Likewise. Ludovic Courtès
2017-04-22cache: Work around 'time-monotonic' bug in Guile 2.2.2....* guix/cache.scm (time-monotonic) [guile-2.2]: New variable. * tests/cache.scm (time-monotonic) [guile-2.2]: Likewise. * guix/build/download.scm (time-monotonic) [guile-2.2]: Adjust comment: it's a 2.2.2 bug. Ludovic Courtès
2017-04-18Add (guix cache) and use it in (guix scripts substitute)....* guix/cache.scm, tests/cache.scm: New files. * Makefile.am (MODULES, SCM_TESTS): Add them. * guix/scripts/substitute.scm (obsolete?): Remove. (remove-expired-cached-narinfos): Rename to... (cached-narinfo-expiration-time): ... this. Remove the removal part and only keep the expiration time part. (narinfo-cache-directories): Add optional 'directory' parameter and honor it. (maybe-remove-expired-cached-narinfo): Remove. (cached-narinfo-files): New procedure. (guix-substitute): Use 'maybe-remove-expired-cache-entries' instead of 'maybe-remove-expired-cached-narinfo'. Ludovic Courtès