Package org.apache.nutch.crawl

Examples of org.apache.nutch.crawl.Generator$HashComparator

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    //inject
    Injector injector=new Injector(conf);
    injector.inject(crawldbPath, urlPath);

    //generate
    Generator g=new Generator(conf);
    Path[] generatedSegment = g.generate(crawldbPath, segmentsPath, 1,
        Long.MAX_VALUE, Long.MAX_VALUE, false, false);

    long time=System.currentTimeMillis();
    //fetch
    Fetcher fetcher=new Fetcher(conf);
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    //inject
    Injector injector=new Injector(conf);
    injector.inject(crawldbPath, urlPath);

    //generate
    Generator g=new Generator(conf);
    Path generatedSegment = g.generate(crawldbPath, segmentsPath, 1,
        Long.MAX_VALUE, Long.MAX_VALUE, false, false);

    long time=System.currentTimeMillis();
    //fetch
    conf.setBoolean("fetcher.parse", true);
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            // inject
            Injector injector = new Injector(conf);
            injector.inject(crawldbPath, urlPath);

            // generate
            Generator g = new Generator(conf);
            // fetch
            conf.setBoolean("fetcher.parse", true);
            Fetcher fetcher = new Fetcher(conf);
            CrawlDb crawlDbTool = new CrawlDb(conf);

            int depth = 5;
            int threads = 4;
            for (int i = 0; i < depth; i++) { // generate new segment
                Path generatedSegment = g.generate(crawldbPath, segmentsPath, 1, Long.MAX_VALUE, Long.MAX_VALUE, false,
                        false);

                if (generatedSegment == null) {
                    logger.info("Stopping at depth=" + i + " - no more URLs to fetch.");
                    break;
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    //inject
    Injector injector=new Injector(conf);
    injector.inject(crawldbPath, urlPath);

    //generate
    Generator g=new Generator(conf);
    Path generatedSegment = g.generate(crawldbPath, segmentsPath, 1,
        Long.MAX_VALUE, Long.MAX_VALUE, false, false);

    long time=System.currentTimeMillis();
    //fetch
    Fetcher fetcher=new Fetcher(conf);
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    //inject
    Injector injector=new Injector(conf);
    injector.inject(crawldbPath, urlPath);

    //generate
    Generator g=new Generator(conf);
    Path[] generatedSegment = g.generate(crawldbPath, segmentsPath, 1,
        Long.MAX_VALUE, Long.MAX_VALUE, false, false);

    long time=System.currentTimeMillis();
    //fetch
    Fetcher fetcher=new Fetcher(conf);
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    Path crawlDb = new Path(dir + "/crawldb");
    Path linkDb = new Path(dir + "/linkdb");
    Path segments = new Path(dir + "/segments");
    res.elapsed = System.currentTimeMillis();
    Injector injector = new Injector(getConf());
    Generator generator = new Generator(getConf());
    Fetcher fetcher = new Fetcher(getConf());
    ParseSegment parseSegment = new ParseSegment(getConf());
    CrawlDb crawlDbTool = new CrawlDb(getConf());
    LinkDb linkDbTool = new LinkDb(getConf());
     
    // initialize crawlDb
    long start = System.currentTimeMillis();
    injector.inject(crawlDb, rootUrlDir);
    long delta = System.currentTimeMillis() - start;
    res.addTiming("inject", "0", delta);
    int i;
    for (i = 0; i < depth; i++) {             // generate new segment
      start = System.currentTimeMillis();
      Path[] segs = generator.generate(crawlDb, segments, -1, topN, System
          .currentTimeMillis());
      delta = System.currentTimeMillis() - start;
      res.addTiming("generate", i + "", delta);
      if (segs == null) {
        LOG.info("Stopping at depth=" + i + " - no more URLs to fetch.");
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    //inject
    Injector injector=new Injector(conf);
    injector.inject(crawldbPath, urlPath);

    //generate
    Generator g=new Generator(conf);
    Path[] generatedSegment = g.generate(crawldbPath, segmentsPath, 1,
        Long.MAX_VALUE, Long.MAX_VALUE, false, false);

    long time=System.currentTimeMillis();
    //fetch
    Fetcher fetcher=new Fetcher(conf);
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    Path crawlDb = new Path(dir + "/crawldb");
    Path linkDb = new Path(dir + "/linkdb");
    Path segments = new Path(dir + "/segments");
    res.elapsed = System.currentTimeMillis();
    Injector injector = new Injector(getConf());
    Generator generator = new Generator(getConf());
    Fetcher fetcher = new Fetcher(getConf());
    ParseSegment parseSegment = new ParseSegment(getConf());
    CrawlDb crawlDbTool = new CrawlDb(getConf());
    LinkDb linkDbTool = new LinkDb(getConf());
     
    // initialize crawlDb
    long start = System.currentTimeMillis();
    injector.inject(crawlDb, rootUrlDir);
    long delta = System.currentTimeMillis() - start;
    res.addTiming("inject", "0", delta);
    int i;
    for (i = 0; i < depth; i++) {             // generate new segment
      start = System.currentTimeMillis();
      Path[] segs = generator.generate(crawlDb, segments, -1, topN, System
          .currentTimeMillis());
      delta = System.currentTimeMillis() - start;
      res.addTiming("generate", i + "", delta);
      if (segs == null) {
        LOG.info("Stopping at depth=" + i + " - no more URLs to fetch.");
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  • org.apache.hadoop.fs.FileSystem
  • org.apache.hadoop.fs.Path
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  • org.apache.nutch.scoring.ScoringFilters
  • org.apache.nutch.tools.Benchmark
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