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https://issues.apache.org/jira/browse/CASSANDRA-21805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18131823#comment-18131823
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Dmitry Konstantinov commented on CASSANDRA-21805:
-------------------------------------------------
Tag is used by dtest is updated:
{code:java}
git tag -f cassandra-test HEAD
git push --force origin tag cassandra-test # push to my fork to validate
git push --force apache tag cassandra-test # push to apache repo{code}
> CCM: download releases from dlcdn.apache.org before archive.apache.org, and
> time out stalled download
> -----------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-21805
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21805
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Tool/CCM
> Reporter: Dmitry Konstantinov
> Assignee: Dmitry Konstantinov
> Priority: Normal
> Labels: green_ci
> Fix For: NA
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> ccm downloads release tarballs only from
> [http://archive.apache.org/dist/cassandra] and calls urlopen() without a
> timeout. archive.apache.org is a single throttled host. When many CI splits
> download from it at once, downloads slow down, and a stalled connection
> blocks until pytest kills the test.
> In Cassandra-trunk #2641 (
> [https://ci-cassandra.apache.org/job/Cassandra-trunk/2641]), every upgrade
> split downloaded 6.0-alpha1 from archive.apache.org. The median speed per
> split was 188 KB/s, 14 splits got stuck for more than 900s, and 20 upgrade
> tests from current_6_0_x failed with "Timeout >900.0s", most of them while
> still in repository.__download().
> Proposed change:
> * Try [https://dlcdn.apache.org|https://dlcdn.apache.org/], then
> [https://downloads.apache.org|https://downloads.apache.org/], then
> archive.apache.org. dlcdn and downloads only keep current releases; a 404
> moves on to the next mirror immediately. [repositories] cassandra in
> ~/.ccm/config still overrides the list.
> * Use a 45s socket timeout, so a stalled connection fails instead of hanging.
> * Retry each URL up to 3 times on timeouts, connection errors, truncated
> responses and HTTP 5xx/408/429. Do not retry other 4xx responses, certificate
> errors or [file://|file:///] URLs.
> To be used by dtests, the cassandra-test tag has to be moved after the merge.
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