maxOptimizeSegments should support percentages and negative numbers
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Key: SOLR-1559
URL: https://issues.apache.org/jira/browse/SOLR-1559
Project: Solr
Issue Type: Improvement
Components: update
Reporter: Hoss Man
the optimize command currently supports a "maxOptimizeSegments" option which
allows an integer to be specified resulting in a "partial optimize" down to
that number of segments.
This requires clients to have some visibility into the current number of
segments. Client code could be simpler if there was an easy way to just say
"make it smaller by some amount"
I propose that we start supporting negative numbers and percentages as a way of
saying "optimize down to X segments less then the current value" or "optimize
down to X% of the current value" This could be used by "dumb" automatic
monitors when they notice that update traffic is low, or system resources are
idle, w/o those monitors needing to inspect the index to pick a good concrete
number of segments.
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