Commit Graph

8 Commits (68f47d6744ac2b4c6ac8b59b8c52a537a5072b4c)

Author SHA1 Message Date
Richard van der Hoff 5c445114d3
Correctly account for cpu usage by background threads (#4074)
Wrap calls to deferToThread() in a thing which uses a child logcontext to
attribute CPU usage to the right request.

While we're in the area, remove the logcontext_tracer stuff, which is never
used, and afaik doesn't work.

Fixes #4064
2018-10-23 13:12:32 +01:00
Amber Brown 49af402019 run isort 2018-07-09 16:09:20 +10:00
Richard van der Hoff 9255a6cb17 Improve exception handling for background processes
There were a bunch of places where we fire off a process to happen in the
background, but don't have any exception handling on it - instead relying on
the unhandled error being logged when the relevent deferred gets
garbage-collected.

This is unsatisfactory for a number of reasons:
 - logging on garbage collection is best-effort and may happen some time after
   the error, if at all
 - it can be hard to figure out where the error actually happened.
 - it is logged as a scary CRITICAL error which (a) I always forget to grep for
   and (b) it's not really CRITICAL if a background process we don't care about
   fails.

So this is an attempt to add exception handling to everything we fire off into
the background.
2018-04-27 11:07:40 +01:00
Erik Johnston cd871a3057 Fix storage provider bug introduced when renamed to store_local 2018-01-18 18:37:59 +00:00
Erik Johnston 3fe2bae857 Missing staticmethod 2018-01-18 17:11:45 +00:00
Erik Johnston aae77da73f Fixup comments 2018-01-18 17:11:29 +00:00
Erik Johnston 0af5dc63a8 Make storage providers more configurable 2018-01-18 14:07:21 +00:00
Erik Johnston 8f03aa9f61 Add StorageProvider concept 2018-01-09 16:16:12 +00:00