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fix: Create a new console logger for each snapshot #407

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merged 7 commits into from
Oct 30, 2019

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Robdel12
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After extensive debugging, I was able to trace MaxListenersExceededWarning (#402) back to Winston and our console logger: winstonjs/winston#1334

On lower resource machines, we were sending more logs than the stream could handle. To fix this, we now create a console logger for each snapshot, so they each have their own stream to operate on.

@Robdel12 Robdel12 requested a review from wwilsman October 30, 2019 17:33
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@wwilsman wwilsman left a comment

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Only real change request is the promise creation within async. It doesn't seem like that should be necessary since async () => {} implies () => return new Promise. Also though, loops are normally blocking unless the handlers we're testing are attached async (I don't think they are), so you might not even need the async at all for that loop.

The other two comments are nits

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@Robdel12 Robdel12 force-pushed the rd/winston-new-console-logger branch from 85160e8 to d7b8559 Compare October 30, 2019 18:13
@Robdel12 Robdel12 requested a review from wwilsman October 30, 2019 18:20
@Robdel12 Robdel12 merged commit f63b832 into master Oct 30, 2019
@delete-merged-branch delete-merged-branch bot deleted the rd/winston-new-console-logger branch October 30, 2019 18:26
djones pushed a commit that referenced this pull request Oct 30, 2019
## [0.19.5](v0.19.4...v0.19.5) (2019-10-30)

### Bug Fixes

* Create a new console logger for each snapshot ([#407](#407)) ([f63b832](f63b832))
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2 participants