https://sourceware.org/bugzilla/show_bug.cgi?id=34421
Bug ID: 34421
Summary: debuginfod-client could reject failing upstream
servers from $DEBUGINFOD_URLS
Product: elfutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: debuginfod
Assignee: unassigned at sourceware dot org
Reporter: fche at redhat dot com
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
For long-lived debuginfod clients - such as debuginfod itself - having a long
list of federated upstream servers in $DEBUGINFOD_URLS is a good and a bad
thing. If any of those servers is down, and no server knows the $buildid in
question, then the entire process can wait $CURLOPT_CONNECTTIMEOUT_MS (if
supported).
Paying that delay one time (or rarely) is OK, but it would be nice if we kept
score. A server that's down every time we try to reach it is not worth keeping
in rotation. A server could still be tried periodically. Maybe a simple
exponential-decay with a reasonable maximum time-between-retries (hour?) could
do the trick, tracked in the debuginfod_client object.
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