ENG-3880 Use UUID instead of timestamp to track truncation snapshot request.
ENG-3880 Use UUID instead of timestamp to track truncation snapshot request.

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