[Bug debuginfod/27399] dpkg-deb/lzma error when indexing .debs

[fche at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27399

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fche at redhat dot com
             Status|NEW                         |WAITING

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
Can you check whether dpkg-deb is decompressing all of its content onto some
RAM-backed filesystem, and running out of space via that (or via consuming
machine free ram)?

You can try a few things:

- run debuginfod with a smaller concurrency limit (-c NNN), because the
  decompression etc. activities aggressively use all your CPUs and thus
  #CPU * memory, if they can

- instead of 'debuginfod -U' (which uses dpkg-deb as the decompression
  streamer), use 
  % debuginfod -Z.deb="(bsdtar -O -x -f - data.tar.xz)<"
  which causes deb files to be processed with libarchive's frontend
  (or equivalently, temporarily rename /usr/bin/dpkg-deb while starting
  debuginfod, so it makes the same inference)

- monitor resource usage - particularly ram - during the indexing process

- try running elfutils 0.183 debuginfod, which does a touch more
  filesystem-space monitoring, related self-protection, more 
  prometheus error metrics

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