The rules for determining available space on a historical node for a segment seem to include both druid.server.maxSize and druid.segmentCache.locations:maxSize.
However, the Coordinator Console shows the Max Size and Percent Used based only on druid.server.maxSize.
It would be useful if the console showed both values to help diagnose "segment too large" errors thrown by the OmniSegmentLoader (when people accidentally set them to different values).
See https://groups.google.com/forum/#!searchin/druid-development/segment$20too$20large/druid-development/w8Q65ZRusi4/kN0JybUtUfAJ