branch master updated (335715b -> eeda1bf)

[Christopher Baines]

cbaines pushed a change to branch master
in repository data-service.

    from 335715b  Properly handle deleting commits that occur on multiple 
branches
     new de98cbf  Remove the statistics page
     new 9032079  Fix delete-revisions-from-branch
     new a61c4ba  Try and speed up large package derivation comparisions
     new 1754d1a  Stop inserting missing source file nars
     new 7da355b  Log more timing infromation about inserting derivations
     new bbbcea8  Add more time logging in to insert-missing-derivations
     new 5f8cd2d  Stream the package derivation page since it can be large
     new d8e9de4  Use a bigger buffer for requests/responses
     new e81c637  Re-work the fibers scheduling
     new b22834d  Refactor opening store connections when processing jobs
     new 0ca9c3f  Catch and ignore the new cross build derivation errors
     new b8d9ed1  Avoid long running store connections
     new 2da3a19  Return two values from 
channel->source-and-derivations-by-system
     new 587277f  Insert package derivations earlier
     new 5439159  Add more fibers utilities
     new 3f1c2ad  Rewrite the key parts of loading data to be even more parallel
     new ed4ba8e  Reduce the WAL size threshold
     new 7df7fd3  Compute package derivations in chunks
     new 2a80304  Add worker thread utils
     new e8bd27f  Try using 2 threads for the server
     new fbbdc41  Update tests
     new f0f1329  Tweak timeouts in resource-pool-stats
     new d8ade0e  Fix the pool metrics
     new 3d2335c  Stream the render-revision-package-derivations JSON response
     new 7f746b3  Add the fiberize utility
     new 77962f7  Move inserting derivations in to the load-new-guix-revision 
module
     new 885a475  Get the test suite working again
     new 7869082  Parallelise inserting package derivation distribution counts
     new 371d764  Start trying to handle GC happening while processing revisions
     new 97b7600  Check the WAL size for each chunk
     new b79c7e8  Reduce chunk size
     new 4d0813c  Add more logging to backfilling 
guix_revision_package_derivation_distribution_counts
     new eeda1bf  Use system-ids for inserting distribution counts

The 33 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 guix-data-service/comparison.scm                   |   18 +-
 guix-data-service/data-deletion.scm                |   21 +-
 guix-data-service/jobs/load-new-guix-revision.scm  | 1130 ++++++++++++++------
 guix-data-service/model/channel-instance.scm       |   34 +-
 guix-data-service/model/derivation.scm             |  421 ++------
 .../model/guix-revision-package-derivation.scm     |   74 +-
 guix-data-service/model/system-test.scm            |   24 +-
 guix-data-service/utils.scm                        |  375 ++++++-
 guix-data-service/web/compare/controller.scm       |    6 +-
 guix-data-service/web/controller.scm               |    9 -
 guix-data-service/web/render.scm                   |   32 +-
 guix-data-service/web/revision/controller.scm      |    3 +-
 guix-data-service/web/server.scm                   |  199 ++--
 guix-data-service/web/view/html.scm                |   29 -
 tests/jobs-load-new-guix-revision.scm              |   81 +-
 15 files changed, 1500 insertions(+), 956 deletions(-)