class UsagePatternTests {

        @Test
        @DisplayName("Should support percentage calculation pattern")
        void shouldSupportPercentageCalculationPattern() {
            // Given
            TestAllocInfo allocInfo = new TestAllocInfo(1000L, 250L);

            // When - calculate percentage free
            double percentFree = (allocInfo.getFree() * 100.0) / allocInfo.getCapacity();

		allDriveLabels...)
	driveWritesAwaitMD = NewGaugeMD(driveWritesAwait,
		"Average time for write requests served on a drive",
		allDriveLabels...)
	drivePercUtilMD = NewGaugeMD(drivePercUtil,
		"Percentage of time the disk was busy",
		allDriveLabels...)
)

func getCurrentDriveIOStats() map[string]madmin.DiskIOStats {
	types := madmin.MetricsDisk

Translate an English original content to a target language.

The original content is written in Markdown, write the translation in Markdown as well.

The original content will be surrounded by triple percentage signs (%%%). Do not include the triple percentage signs in the translation.

### Technical terms in English

For technical terms in English that don't have a common translation term, use the original term in English.

### Content of code snippets

     *
     * @return success rate as percentage (0-100)
     */
    private double calculateSuccessRate() {
        long total = totalRequests.get();
        if (total == 0) {
            return 100.0;
        }
        return (totalSuccesses.get() * 100.0) / total;
    }

    /**
     * Calculate availability
     *
     * @return availability as percentage (0-100)
     */

                "result": {
                  "text": "N/A"
                }
              },
              "type": "special"
            }
          ],
          "thresholds": {
            "mode": "percentage",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "dtdurations"
        },

<img src="/img/deployment/concepts/process-ram.drawio.svg">

And of course, the same machine would probably have **other processes** running as well, apart from your application.

An interesting detail is that the percentage of the **CPU used** by each process can **vary** a lot over time, but the **memory (RAM)** normally stays more or less **stable**.

     *
     * @return active memory region count
     */
    public long getMemoryRegionsActive() {
        return memoryRegionsActive.get();
    }

    /**
     * Calculate error rate as percentage of total operations
     *
     * @return error rate (0.0 to 1.0)
     */
    public double getErrorRate() {
        long total = rdmaReads.get() + rdmaWrites.get() + rdmaSends.get() + rdmaReceives.get();

        "uid": "${DS_PROMETHEUS}"
      },
      "description": "",
      "fieldConfig": {
        "defaults": {
          "mappings": [],
          "thresholds": {
            "mode": "percentage",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          }
        },
        "overrides": []
      },

            assertTrue(metrics.totalSuccesses() > 0, "Should have some successes");
            assertTrue(metrics.successRate() >= 0 && metrics.successRate() <= 100, "Success rate should be valid percentage");

        } finally {
            cbWithWindow.close();
        }
    }

    @Test
    public void testCircuitBreakerClose() throws Exception {

            // Then
            assertEquals(7000L * 8 * 512, usedSpace);
        }

        @Test
        @DisplayName("Should support percentage calculations")
        void shouldSupportPercentageCalculations() throws SMBProtocolDecodingException {
            // Given
            ByteBuffer buffer = ByteBuffer.allocate(24);