Actually use maxHeap setting.
Actually use maxHeap setting.

 * Thanks Ruth.

VoltDB/voltdb,kobronson/cs-voltdb,zuowang/voltdb,VoltDB/voltdb,paulmartel/voltdb,paulmartel/voltdb,migue/voltdb,deerwalk/voltdb,paulmartel/voltdb,creative-quant/voltdb,deerwalk/voltdb,wolffcm/voltdb,flybird119/voltdb,kobronson/cs-voltdb,ingted/voltdb,zuowang/voltdb,flybird119/voltdb,wolffcm/voltdb,wolffcm/voltdb,kobronson/cs-voltdb,zuowang/voltdb,migue/voltdb,deerwalk/voltdb,kumarrus/voltdb,migue/voltdb,ingted/voltdb,paulmartel/voltdb,migue/voltdb,deerwalk/voltdb,migue/voltdb,creative-quant/voltdb,kobronson/cs-voltdb,paulmartel/voltdb,flybird119/voltdb,kobronson/cs-voltdb,creative-quant/voltdb,kumarrus/voltdb,kumarrus/voltdb,ingted/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,flybird119/voltdb,creative-quant/voltdb,deerwalk/voltdb,VoltDB/voltdb,wolffcm/voltdb,kobronson/cs-voltdb,flybird119/voltdb,deerwalk/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,paulmartel/voltdb,ingted/voltdb,kumarrus/voltdb,zuowang/voltdb,kobronson/cs-voltdb,paulmartel/voltdb,deerwalk/voltdb,zuowang/voltdb,zuowang/voltdb,zuowang/voltdb,migue/voltdb,creative-quant/voltdb,kumarrus/voltdb,wolffcm/voltdb,ingted/voltdb,VoltDB/voltdb,kumarrus/voltdb,flybird119/voltdb,ingted/voltdb,flybird119/voltdb,VoltDB/voltdb,wolffcm/voltdb,zuowang/voltdb,migue/voltdb,creative-quant/voltdb,ingted/voltdb,kumarrus/voltdb,migue/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,wolffcm/voltdb,deerwalk/voltdb,flybird119/voltdb,kumarrus/voltdb,paulmartel/voltdb,creative-quant/voltdb,kobronson/cs-voltdb,ingted/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,creative-quant/voltdb,wolffcm/voltdb,simonzhangsm/voltdb