2048
95%
master: 97%

Ran 18 Aug 2020 08:34PM UTC

Jobs 1

Files 23

Run time 2s

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Build # 2048

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

address download cache race condition (#420)

Race condition: while we're downloading a URI, the intended cache location gets populated by some other download task for the same URI, possibly in another process; and it's being used as an input to that other run. When we finish our download, we overwrite the existing copy, potentially causing the other run to fail.

Now we decline to overwrite the existing copy, as long as [download_cache] get = true, i.e. it hadn't existed when we started the download. This makes the conflict very unlikely, although it's not eliminated completely. It also creates a possibility that large, redundant downloads can be left behind in the download cache 'ops' folder until it's cleaned up.

Run Details

5918 of 6121 relevant lines covered (96.68%)

0.97 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
2	2048.2 (DOCKER_CACHE_TAG=quay.io/mlin/miniwdl_ci:latest QUAY_PASSWORD=[secure] CI_TARGET=ci_unit_tests)	18 Aug 2020 08:34PM UTC	0	96.68	Travis Job 2048.2

Source Files on build 2048

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