protected String filterIndex = ".crawler.filter";

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

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

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

    protected int queueReplicas = 1;

    protected int dataReplicas = 1;

    protected int filterReplicas = 1;

    protected Normalizer normalizer;
    protected SuggestAnalyzer analyzer;
    protected ExecutorService threadPool;

    protected int threadPoolSize = Runtime.getRuntime().availableProcessors();

    public SuggesterBuilder settings(final SuggestSettings settings) {
        this.settings = settings;
        settingsBuilder = null;
        return this;
    }

        }
        return value;
    }

    Integer getProcessorsAsInteger();

    default int availableProcessors() {
        final int num = getProcessorsAsInteger();
        if (num > 0) {
            return num;
        }
        return Runtime.getRuntime().availableProcessors();
    }

    Integer getCrawlerHttpThreadPoolSizeAsInteger();

    default int getCrawlerHttpProcessors() {

                int numThreads = ComponentUtil.getFessConfig().getRankFusionThreadsAsInteger();
                if (numThreads <= 0) {
                    numThreads = Runtime.getRuntime().availableProcessors() * 3 / 2 + 1;
                }
                executorService = Executors.newFixedThreadPool(numThreads);
            }
        }
    }

        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("XXXC"));

        int cpus = Runtime.getRuntime().availableProcessors();
        assertEquals((int) (cpus * 2.2), cli.calculateDegreeOfConcurrency("2.2C"));
        assertEquals(1, cli.calculateDegreeOfConcurrency("0.0001C"));

        if ("adaptive".equalsIgnoreCase(value)) {
            if (fessConfig.availableProcessors() >= 4) {
                return null;
            }
            final String requestsPerSecond = String.valueOf(fessConfig.getIndexReindexSizeAsInteger() * fessConfig.availableProcessors());
            logger.info("Set requests_per_second to {}", requestsPerSecond);
            return requestsPerSecond;

                            + "'. Value must be positive.");
                }

                int procs = Runtime.getRuntime().availableProcessors();
                int threads = (int) (coreMultiplier * procs);
                return threads == 0 ? 1 : threads;
            } else {
                int threads = Integer.parseInt(threadConfiguration);

                            + "'. Value must be positive.");
                }

                int procs = Runtime.getRuntime().availableProcessors();
                int threads = (int) (coreMultiplier * procs);
                return threads == 0 ? 1 : threads;
            } else {
                int threads = Integer.parseInt(threadConfiguration);