Examples of DuplicateRemover

Examples of us.codecraft.webmagic.scheduler.component.DuplicateRemover

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    @Ignore("long time")
    @Test
    public void testMissHit() throws Exception {
        int times = 5000000;
        DuplicateRemover duplicateRemover = new BloomFilterDuplicateRemover(times, 0.01);
        int right = 0;
        int wrong = 0;
        int missCheck = 0;
        for (int i = 0; i < times; i++) {
            boolean duplicate = duplicateRemover.isDuplicate(new Request(String.valueOf(i)), null);
            if (duplicate) {
                wrong++;
            } else {
                right++;
            }
            duplicate = duplicateRemover.isDuplicate(new Request(String.valueOf(i)), null);
            if (!duplicate) {
                missCheck++;
            }
        }
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Examples of us.codecraft.webmagic.scheduler.component.DuplicateRemover

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    @Ignore("long time")
    @Test
    public void testMemory() throws Exception {
        int times = 5000000;
        DuplicateRemover duplicateRemover = new BloomFilterDuplicateRemover(times,0.005);
        long freeMemory = Runtime.getRuntime().freeMemory();
        long time = System.currentTimeMillis();
        for (int i = 0; i < times; i++) {
            duplicateRemover.isDuplicate(new Request(String.valueOf(i)), null);
        }
        System.out.println("Time used by bloomfilter:" + (System.currentTimeMillis() - time));
        System.out.println("Memory used by bloomfilter:" + (freeMemory - Runtime.getRuntime().freeMemory()));

        duplicateRemover = new HashSetDuplicateRemover();
        System.gc();
        freeMemory = Runtime.getRuntime().freeMemory();
        time = System.currentTimeMillis();
        for (int i = 0; i < times; i++) {
            duplicateRemover.isDuplicate(new Request(String.valueOf(i)), null);
        }
        System.out.println("Time used by hashset:" + (System.currentTimeMillis() - time));
        System.out.println("Memory used by hashset:" + (freeMemory - Runtime.getRuntime().freeMemory()));
    }
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Examples of us.codecraft.webmagic.scheduler.component.DuplicateRemover

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        logger.info("init cache scheduler success");
    }

    private void initDuplicateRemover() {
        setDuplicateRemover(
                new DuplicateRemover() {
                    @Override
                    public boolean isDuplicate(Request request, Task task) {
                        if (!inited.get()) {
                            init(task);
                        }
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