* [Bug debuginfod/25375] New: optimization: speculative fdcache'ing of peers in decompressed archive
@ 2020-01-13 2:46 fche at redhat dot com
2020-01-25 23:44 ` [Bug debuginfod/25375] " fche at redhat dot com
2020-02-25 17:06 ` fche at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: fche at redhat dot com @ 2020-01-13 2:46 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=25375
Bug ID: 25375
Summary: optimization: speculative fdcache'ing of peers in
decompressed archive
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: ---
Consider a systemtap test run against debuginfod. There are some test cases
that ask for probes of numerous kernel modules. Each of these is submitted to
debuginfod - sequentially - and each one can result in a separate rpm2cpio job
to decompress the same kernel-debuginfo rpm.
We should consider adding an option to fdcache with the effect that: if we're
decompressing an archive for a genuine request, anticipate that there may be
near-future requests for other files in the archive, and therefore decompress &
intern them all in fdcache. This would trade fdcache storage space for
decompression time.
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* [Bug debuginfod/25375] optimization: speculative fdcache'ing of peers in decompressed archive
2020-01-13 2:46 [Bug debuginfod/25375] New: optimization: speculative fdcache'ing of peers in decompressed archive fche at redhat dot com
@ 2020-01-25 23:44 ` fche at redhat dot com
2020-02-25 17:06 ` fche at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: fche at redhat dot com @ 2020-01-25 23:44 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=25375
--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
prototype is commit b5ba87c835ba
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* [Bug debuginfod/25375] optimization: speculative fdcache'ing of peers in decompressed archive
2020-01-13 2:46 [Bug debuginfod/25375] New: optimization: speculative fdcache'ing of peers in decompressed archive fche at redhat dot com
2020-01-25 23:44 ` [Bug debuginfod/25375] " fche at redhat dot com
@ 2020-02-25 17:06 ` fche at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: fche at redhat dot com @ 2020-02-25 17:06 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=25375
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from Frank Ch. Eigler <fche at redhat dot com> ---
commit 577170fc84e1 includes slight merge tweaks from previous version
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2020-01-13 2:46 [Bug debuginfod/25375] New: optimization: speculative fdcache'ing of peers in decompressed archive fche at redhat dot com
2020-01-25 23:44 ` [Bug debuginfod/25375] " fche at redhat dot com
2020-02-25 17:06 ` fche at redhat dot com
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