processFileDescriptorObj.max = processProbe.getMaxFileDescriptorCount();
        final ProcessCpuObj processCpuObj = new ProcessCpuObj();
        processObj.cpu = processCpuObj;
        processCpuObj.percent = processProbe.getProcessCpuPercent();
        processCpuObj.total = processProbe.getProcessCpuTotalTime();

        append(buf, "open", () -> processProbe.getOpenFileDescriptorCount()).append(',');
        append(buf, "max", () -> processProbe.getMaxFileDescriptorCount());
        buf.append("},");
        buf.append("\"cpu\":{");
        append(buf, "percent", () -> processProbe.getProcessCpuPercent()).append(',');
        append(buf, "total", () -> processProbe.getProcessCpuTotalTime());
        buf.append("},");

        try {
            waitingThreadNames.add(threadName);
            while (current >= percent) {
                if (logger.isInfoEnabled()) {
                    logger.info("Cpu Load {}% is greater than {}%. {} waiting thread(s).", current, percent, waitingThreadNames.size());
                }
                if (logger.isDebugEnabled()) {

    /** The key of the configuration. e.g. 30s */
    String CRAWLER_HOTTHREAD_TIMEOUT = "crawler.hotthread.timeout";

    /** The key of the configuration. e.g. cpu */
    String CRAWLER_HOTTHREAD_TYPE = "crawler.hotthread.type";

    /** The key of the configuration. e.g. resourceName,X-Parsed-By,Content-Encoding.*,Content-Type.*,X-TIKA.* */

crawler.system.monitor.interval=60
crawler.hotthread.ignore_idle_threads=true
crawler.hotthread.interval=500ms
crawler.hotthread.snapshots=10
crawler.hotthread.threads=3
crawler.hotthread.timeout=30s
crawler.hotthread.type=cpu
crawler.metadata.content.excludes=resourceName,X-Parsed-By,Content-Encoding.*,Content-Type.*,X-TIKA.*
crawler.metadata.name.mapping=\
title=title:string\n\
Title=title:string\n\
dc:title=title:string\n\

# html