premrajm

public class MapDBCreator {

    public static void main(String[] args) {
        DB db = DBMaker.newFileDB("mapdbFile").transactionDisable().mmapFileEnablePartial().make();
        getEmployees().parallelStream().forEach(e -> createRecords(e, db));
    }

    private static List<Employee> getEmployees() {
    /* return employees list */
    }

premrajm

package test;

import com.google.common.base.CharMatcher;
import com.google.common.base.Stopwatch;
import okio.BufferedSource;
import okio.Okio;

import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Paths;