fsObj.free = f.getFreeSpace();
            fsObj.total = f.getTotalSpace();
            fsObj.usable = f.getUsableSpace();
            fsObj.used = fsObj.total - fsObj.usable;
            fsObj.percent = (short) (100 * fsObj.used / fsObj.total);
            return fsObj;
        }).toArray(n -> new FsObj[n]);
    }

    private JvmObj getJvmObj() {
        final JvmObj jvmObj = new JvmObj();

        this.container.appendChild(line);

        for (let i = 1; i < chars.length + 1; i++) {
            await this._wait(this.typeDelay);
            const percent = Math.round(i / chars.length * 100);
            line.textContent = `${chars.slice(0, i)} ${percent}%`;
			if (percent>progressPercent) {
				break;
			}
        }
    }

    /**
     * Helper function for animation delays, called with `await`.

        append(buf, "committed", () -> mem.getHeapCommitted().getBytes()).append(',');
        append(buf, "max", () -> mem.getHeapMax().getBytes()).append(',');
        append(buf, "percent", () -> mem.getHeapUsedPercent());
        buf.append("},");
        buf.append("\"non_heap\":{");
        append(buf, "used", () -> mem.getNonHeapUsed().getBytes()).append(',');

  }

  @Test
  fun usernameCharacters() {
    if (!isJvm) return // TODO: this test is broken on non-JVM platforms.
    UrlComponentEncodingTester
      .newInstance()
      .override(
        Encoding.PERCENT,
        '['.code,
        ']'.code,
        '{'.code,
        '}'.code,
        '|'.code,
        '^'.code,
        '\''.code,
        ';'.code,
        '='.code,
        '@'.code,

     */
    public boolean calibrateCpuLoad(final long timeoutInMillis) {
        final short percent = ComponentUtil.getFessConfig().getAdaptiveLoadControlAsInteger().shortValue();
        if (percent <= 0) {
            return true;
        }
        short current = getSystemCpuPercent();
        if (current < percent) {
            return true;
        }
        final long startTime = getCurrentTimeAsLong();

mapreduce.job.reduce.slowstart.completedmaps=0.99 # 99% map, then reduce
mapreduce.reduce.shuffle.input.buffer.percent=0.9 # Min % buffer in RAM
mapreduce.reduce.shuffle.merge.percent=0.9 # Minimum % merges in RAM
mapreduce.reduce.speculative=false # Disable speculation for reducing
mapreduce.task.io.sort.factor=999 # Threshold before writing to disk
mapreduce.task.sort.spill.percent=0.9 # Minimum % before spilling to disk
```

    // BloomFilter.create(Funnels.unencodedCharsFunnel(), 244412641, 1e-11);
  }

  /**
   * Asserts that {@link BloomFilter#approximateElementCount} is within 1 percent of the expected
   * value.
   */
  private static void assertApproximateElementCountGuess(BloomFilter<?> bf, int sizeGuess) {
    assertThat(bf.approximateElementCount()).isAtLeast((long) (sizeGuess * 0.99));

    // BloomFilter.create(Funnels.unencodedCharsFunnel(), 244412641, 1e-11);
  }

  /**
   * Asserts that {@link BloomFilter#approximateElementCount} is within 1 percent of the expected
   * value.
   */
  private static void assertApproximateElementCountGuess(BloomFilter<?> bf, int sizeGuess) {
    assertThat(bf.approximateElementCount()).isAtLeast((long) (sizeGuess * 0.99));

        assertTrue(result);
    }

    public void test_getSystemCpuPercent() {
        final short cpuPercent = systemHelper.getSystemCpuPercent();
        // CPU percent can be -1 if not available or other negative values in test environment
        assertTrue(cpuPercent >= -1);
        assertTrue(cpuPercent <= 100);
    }

    public void test_waitForNoWaitingThreads() {

      "options": {
        "displayLabels": [],
        "legend": {
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true,
          "values": [
            "percent"
          ]
        },
        "pieType": "donut",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false