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org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy: Failed to place enough replicas, still in need of 1 to reach 3", this may be an indication that you don't have enough available space.

If you encounter this error when rebuilding an existing cluster, clean up accumulated files in: ${IMPALA_HOME}/logs, ${IMPALA_HOME}/be/build. Remove older versions of cdh_components-xxxxxx in ${IMPALA_HOME}/toolchain. Use df to check disk space.