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# Date Author Comment
2bbf77cc 07/08/2009 05:34 pm Iustin Pop

hspace: switch output to shell-script format

This (big) patch changes the output of hspace from text-format
(separated by ‘: ’) to a shell-snippet, in ‘key=value’ format.

This will allow sourcing the output or parsing it via awk/sed/etc.
de4ac2c2 07/08/2009 12:49 pm Iustin Pop

hspace: move instance count and score into CStats

Currently the instance count and cluster score are separated from the
other initial/final phase stats, even though they are very similar. This
patch moves computation of these two into totalResources/CStats and...
79a72ce7 07/07/2009 07:10 pm Iustin Pop

Fix unittests

The recent OpResult and CPU values additions broke unittests.
8c4c6a8a 07/07/2009 12:56 pm Iustin Pop

Export more stats in hspace

This patch changes Cluster.totalResources to compute more resources and
prints them in hspace.
2795466b 07/07/2009 12:20 pm Iustin Pop

Show errors on stderr instead of stdout

Currently many of the exit and warning conditions mistakenly display error
messages on stdout, which makes parsing the output of programs harder. This
patch attempts to fix such occurrences.
16103319 07/07/2009 11:06 am Iustin Pop

Fix score calculation to work with empty clusters

Currently the cluster score calculation includes an offline instance
percentage, expressed as “offline inst / (offline + online inst)”, which
results in NaN for empty clusters. This patch changes the calculation...
e6f4f05c 07/07/2009 01:22 am Iustin Pop

Optimize the Utils.stdDev function

This patch optimizes the stdDev function in two respects:
- first, we don't do sum . map which builds an intermediate list, but
instead use a fold over the list to build incrementally the sum;
this should reduce both the time and space characteristics, as we...
d71d0a1d 07/07/2009 12:24 am Iustin Pop

Take the foldl out of Loader.fixNodes

Currently Loader.fixNodes is foldl' with a complicated function. It
makes more sense to take foldl' out of this function (and put it into
the caller) and let fixNodes be only this internal function.
41c3b292 07/07/2009 12:13 am Iustin Pop

Simplify Cluster.computeMoves

This patch changes the function Cluster.computeMoves to use guards and a
couple of subexpressions in order to greatly simplify it.
9f6dcdea 07/06/2009 11:50 pm Iustin Pop

Fix hlint-generated warnings

This big patch cleans up the code per hlint indications. Many removals
of extra parentheses, replacements of concat . map with concabtMap,
extra dollar signs, eta reductions, etc. were performed.

The code still compiles and passes a couple of manual tests on sample...

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