branch master updated (e0a6c84 -> ac1a4cb)

[Christopher Baines]

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

    from e0a6c84  Try to fix issues with derivations being GC'ed
     new e51d2f8  Remove some time logging
     new 062ee1a  Log the time to call inferior-packages-plus-replacements
     new 75f2726  Improve logging when computing a channel instance derivation 
fails
     new 39f626a  Remove even more time logging
     new 0f7b31c  Make sure to keep roots for channel instance derivations
     new ba97ade  Add some time logging in to 
inferior-packages-plus-replacements
     new 7d97041  Add more logging in when computing channel instance 
derivations
     new 9779ecf  Speed up fetching package replacements
     new d5e663c  Split up handling of package description data
     new 7acb383  Fix exception handling in call-with-temporary-thread
     new 215a672  Ignore inferior-protocol-error when computing channel 
instances
     new 0468bc4  Speed up loading package metadata
     new 7ecb13e  Compute lint warnings in parallel
     new ac1a4cb  Cleanup some with-time-logging

The 14 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/jobs/load-new-guix-revision.scm | 217 ++++++++++++++--------
 guix-data-service/model/derivation.scm            |  30 ++-
 guix-data-service/model/package-metadata.scm      | 103 +++++-----
 3 files changed, 202 insertions(+), 148 deletions(-)