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Description of problem: Internet Service interruptions happen and sometimes they happen when yum is in action. Usually, during yum sessions Presto downloads deltas. Yum & Presto exit after cycling through mirrors when there's an outage leaving some deltas behind. This is expected. However, when service is restored (usually within minutes), subsequent similar yum sessions fail to pickup and download remaining deltas. Yum simply goes for the full download. This is discouraging for Countries where Internet Service is quirky and bandwidth costs are high Version-Release number of selected component (if applicable): 0.7.1-1.fc16 How reproducible: observed since F14 Steps to Reproduce: 1. run a 'yum update'. If updates exist, yum would display packages and download size (say 150mb). Accept the update. Presto should start downloading deltas. (Lets assume the Delta downloads sum up to 20mb) 2. Cut the Internet midway through the Delta downloads. (Now, this usually doesn't happen on purpose :), it can happen in many ways and for different reasons). Yum should exit after searching for mirrors 3. Restore Internet immediately and try step-1 again. Yum should still display the same packages and, consequently, the download size (150mb in our example). However, after accepting the update Presto won't continue from where it stopped. It leaves the previously downloaded deltas and goes for Full packages. So, that split second of interruption results in an ugly 150mb download ... not to mention the excess of ??mb downloaded while Presto was working which never gets used. Actual results: See Steps Above Expected results: Similar sessions run in quick succession should replicate their behaviour. Yum-Presto should continue downloading Deltas resuming from where it was interrupted (or nearly so). Additional info: 'yum clean metadata' or 'yum clean all' doesn't seem to solve this but even if they did, that shouldn't be a norm.
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Fedora 16 changed to end-of-life (EOL) status on 2013-02-12. Fedora 16 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.