1. Building If using the Kosmos file system as your back-end storage engine, you should set the MT_BACKEND with 'KFS' export MT_BACKEND=KFS and set the MT_DFS_CLI_LIB_PATH and MT_DFS_INCLUDE_PATH with your path of KFS's LIB and include. export MT_DFS_CLI_LIB_PATH=~/kosmos/build/src/cc/libkfsClient export MT_DFS_INCLUDE_PATH=~/kosmos/src/cc cp libkfsCommon.so libkfsIO.so libqcdio.so libkfsClient.so ~/kosmos/build/src/cc/libkfsClient else if using the local system as the storage engine, please set it as follows: export MT_BACKEND=LOCAL make clean make ./startMaster ./startRanger 2. Sample Test ./sample create ./sample insert ./sample select