As we discussed in channel, packet.net runs 4 tasks per worker, while AWS we run 32 (r5.metal) or 15 (m5.metal) tasks in parallel. In a perfect storm where all tasks require the android-sdk-linux artifact, and they all start more or less the same time, it might be possible the instance suffers from a network bandwidth shortage, causing slow downloads of artifacts.
Bug 1636514 Comment 7 Edit History
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As we discussed in the channel, packet.net runs 4 tasks per worker, while AWS we run 32 (r5.metal) or 15 (m5.metal) tasks in parallel. In a perfect storm where all tasks require the `android-sdk-linux` artifact, and they all start more or less the same time, it might be possible the instance suffers from a network bandwidth shortage, causing slow downloads of artifacts.