client.setMaxConnectionsPerRoute(20);   // Per-host connections
    client.setConnectionTimeout(30000);     // Connection timeout
    client.setSocketTimeout(60000);         // Read timeout
});
```

### Memory Management

```java
// Configure memory usage
crawler.crawlerContext.setMaxAccessCount(10000);     // Limit crawled URLs
crawler.crawlerContext.setMaxDepth(5);               // Limit crawl depth

        StringBuilder longName = new StringBuilder();
        for (int i = 0; i < 10000; i++) {
            longName.append("verylongname");
        }
        String longNameStr = longName.toString();

        testTransformer.setName(longNameStr);
        assertEquals(longNameStr, testTransformer.getName());
        assertEquals(120000, testTransformer.getName().length());
    }

    /**

        // Add URLs up to capacity (10000)
        for (int i = 0; i < 10000; i++) {
            urlSet.add("http://example" + i + ".com/robots.txt");
        }
        assertEquals(10000, urlSet.size());

        // Add one more should maintain size at 10000 (LRU eviction)
        urlSet.add("http://overflow.com/robots.txt");
        assertEquals(10000, urlSet.size());

 *   <li>secretKey - The secret key for authentication</li>
 *   <li>connectTimeout - Connection timeout in milliseconds (default: 10000)</li>
 *   <li>writeTimeout - Write timeout in milliseconds (default: 10000)</li>
 *   <li>readTimeout - Read timeout in milliseconds (default: 10000)</li>
 * </ul>
 *
 * <p>The client supports URLs in the format: {@code storage://bucket-name/object-path}
 *
 * <p>Features:
 * <ul>

        for (int i = 0; i < 10000; i++) {
            longMessage.append("Very long error message ");
        }
        String message = longMessage.toString();

        CrawlerSystemException exception = new CrawlerSystemException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(240000, exception.getMessage().length());
    }

    /**

    /** Scroll size. */
    protected int scrollSize = 1;
    /** Maximum retry count. */
    protected int maxRetryCount = 5;
    /** Limit of document size. */
    protected long limitOfDocumentSize = 50000;
    /** Query builder. */
    protected QueryBuilder queryBuilder = QueryBuilders.matchAllQuery();
    /** Limit percentage. */
    protected int limitPercentage = 100;
    /** Limit number. */

        }
        assertEquals("2", extractData.getValues("cp:revision")[0]);
        assertEquals("こめんと", extractData.getValues("dc:description")[0]);
        assertEquals("14.0000", extractData.getValues("extended-properties:AppVersion")[0]);
        assertEquals("1", extractData.getValues("meta:paragraph-count")[0]);
        assertEquals("太郎", extractData.getValues("dc:creator")[0]);

    /**
     * Max uncompression size.
     */
    protected long maxUncompressionSize = 1000000;

    /**
     * Initial buffer size.
     */
    protected int initialBufferSize = 10000;

    /**
     * If true, duplicated terms are replaced.
     */
    protected boolean replaceDuplication = false;

    /**
     * Space characters. Default includes common space characters.
     */

    }

    /**
     * This class provides a context for normalizing text.
     */
    public static class TextNormalizeContext {

        private final Reader reader;

        private int initialCapacity = 10000;

        private int maxAlphanumTermSize = -1;

        private int maxSymbolTermSize = -1;

        private boolean duplicateTermRemoved = false;

        /**

    private static final Logger logger = LogManager.getLogger(PdfExtractor.class);

    /** Timeout for PDF extraction in milliseconds (default: 30 seconds). */
    protected long timeout = 30000; // 30sec

    /** Whether the extraction thread should be a daemon thread. */
    protected boolean isDaemonThread = false;

    /**
     * Creates a new PdfExtractor instance.
     */
    public PdfExtractor() {