https://sourceware.org/bugzilla/show_bug.cgi?id=27982
Bug ID: 27982
Summary: debuginfod client maximum-transfer-size and -time
parameters
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: ---
DEBUGINFOD_TIMEOUT is a good way to catch servers that are too slow to *start*
transmitting a file. But we have no way of limiting total download time or
space. A user might prefer to have his debugger fetch only quick & small
files, and make do without the bigger ones. Some transitive dependencies of
e.g. gnome programs are huge: 3GB of LLVM debuginfo, 1GB of webkitgtk, etc.
etc.
We could add a $DEBUGINFOD_MAXSIZE and/or $DEBUGINFOD_MAXTIME parameters to the
client side environment variable suite. The MAXSIZE one could be communicated
to the server in the query as an extra header, so it can quickly respond with
some HTTP error code (since it can generally find out the destination file
sizes prior to actually decompressing them); it can also be enforced during
download, as soon as a Content-Length: header is received. The MAXTIME one
could be added as a debuginfod-client.c main loop parameter.
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