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munin/tahoe_overhead: don't emit non-sensicial numbers

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This commit is contained in:
Brian Warner 2008-08-07 14:40:08 -07:00
parent f7ad0d2f6f
commit 8828fe8769
1 changed files with 7 additions and 3 deletions
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misc/munin/tahoe_overhead
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@ -52,10 +52,14 @@ expansion = float(N) / k
ideal = expansion * deepsize["all"]
overhead = (total - ideal) / ideal
print "overhead.value %f" % (100.0 * overhead)
if overhead > 0:
# until all the storage-servers come online, this number will be nonsense
print "overhead.value %f" % (100.0 * overhead)
effective_expansion = total / deepsize["all"]
print "effective_expansion.value %f" % effective_expansion
# same for this one
effective_expansion = total / deepsize["all"]
print "effective_expansion.value %f" % effective_expansion
# this value remains valid, though
inactive_savings = (deepsize["all"] - deepsize["active"]) / deepsize["active"]
print "inactive.value %f" % (100.0 * inactive_savings)