https://bugzilla.redhat.com/show_bug.cgi?id=1325037
Bug ID: 1325037
Summary: archive PM_MODE_FORW fetches not scanning to first
occurrence of given metric
Product: Fedora
Version: rawhide
Component: pcp
Assignee: nathans@xxxxxxxxxx
Reporter: fche@xxxxxxxxxx
QA Contact: extras-qa@xxxxxxxxxxxxxxxxx
CC: brolley@xxxxxxxxxx, fche@xxxxxxxxxx, lberk@xxxxxxxxxx,
mgoodwin@xxxxxxxxxx, nathans@xxxxxxxxxx,
pcp@xxxxxxxxxxx, scox@xxxxxxxxxx
Created attachment 1144938
--> https://bugzilla.redhat.com/attachment.cgi?id=1144938&action=edit
pmlogreduce'd archive tarball
As I read the pmFetch / pmSetMode APIs, if an archive contains a given metric,
but not in the first few of its recorded result-sets, a PM_MODE_FORW fetch
should skip over as many as required until the given metric is found with a
value. That doesn't seem to be happening with archives that are the output of
pmlogreduce.
With given archive tarball:
% pmval -U reduced-20151231.000006.meta hinv.ncpu -s 1
host: easy.elastic.org
start: Wed Dec 23 19:00:11 2015
end: Wed Dec 30 18:50:11 2015
semantics: discrete instantaneous value
units: none
samples: 1
19:00:11.533 No values available
even though % pmdumplog .... hinv.ncpu clearly shows a value at 19:10:11.533.
A longer % pmval run (without the -s 1) does show the hinv.ncpu value later.
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