*/
    protected int queueShards = Runtime.getRuntime().availableProcessors() * 2;

    /**
     * Number of shards for the data index.
     */
    protected int dataShards = Runtime.getRuntime().availableProcessors() * 2;

    /**
     * Number of shards for the filter index.
     */
    protected int filterShards = Runtime.getRuntime().availableProcessors() * 2;

    /**

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.exception;

/**
 * The class CrawlerSystemException is a runtime exception that is thrown when a system error occurs during crawling.
 * It extends the RuntimeException class and provides constructors for creating exceptions with a message, a cause, or both.

						<execution>
							<phase>package</phase>
							<goals>
								<goal>shade</goal>
							</goals>
							<configuration>
								<artifactSet>
									<includes>
										<include>org.dbflute:dbflute-runtime</include>
									</includes>
								</artifactSet>
								<relocations>
									<relocation>
										<pattern>org.dbflute</pattern>
										<shadedPattern>org.codelibs.fess.crawler.dbflute</shadedPattern>

    /** The analyzer. */
    protected SuggestAnalyzer analyzer;
    /** The thread pool. */
    protected ExecutorService threadPool;

    /** The thread pool size. */
    protected int threadPoolSize = Runtime.getRuntime().availableProcessors();

    /**
     * Sets the suggest settings.
     * @param settings The suggest settings.
     * @return This builder instance.
     */

import org.codelibs.fess.crawler.rule.RuleManager;

/**
 * The {@link CrawlerContext} class holds the context information for a crawler execution.
 * It contains various attributes related to the crawler's state, configuration, and runtime data.
 * This class provides methods to access and modify these attributes, allowing for control and monitoring
 * of the crawler's behavior.
 *
 * <p>

        assertSame(errorCause, exception2.getCause());

        // With RuntimeException cause
        RuntimeException runtimeCause = new RuntimeException("Runtime cause");
        CrawlerSystemException exception3 = new CrawlerSystemException(runtimeCause);
        assertSame(runtimeCause, exception3.getCause());

        // With another CrawlerSystemException cause

            cpuLoad = operatingSystemMXBean.getProcessCpuLoad();
        } else {
            cpuLoad = -1;
        }
        final long maxMemory = Runtime.getRuntime().maxMemory();
        final long freeMemory = Runtime.getRuntime().freeMemory();
        final String msg = String.format(