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Possibility for stale tiles #226

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rmarianski opened this issue Jul 26, 2017 · 0 comments

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rmarianski commented Jul 26, 2017

It might be possible to introduce a race condition to produce stale tiles.

a tile exists in the toi, and is generated on s3
a diff affects that tile, and it gets enqueued
the next prune run removes the tile from the toi and from s3, while the tile was still in the queue
the tile eventually gets processed and stored onto s3, even though it is no longer in the toi
if the tile does not get requested enough to get added back into the toi, the stale toi will remain in s3

rmarianski mentioned this issue

Retry deleting tiles on S3. #225

Merged

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