append(buf, "percent", () -> osProbe.getSystemCpuPercent());
        final OsStats osStats = osProbe.osStats();
        buf.append("},");
        append(buf, "load_averages", () -> osStats.getCpu().getLoadAverage());
        buf.append("},");
    }

    private void appendFesenStats(final StringBuilder buf) {
        String stats = null;
        try {

        System.arraycopy(src, srcIndex + namesLength, this.macAddress, 0, 6);
        srcIndex += readNodeNameArray(src, srcIndex);
        this.stats = new byte[statsLength];
        System.arraycopy(src, srcIndex, this.stats, 0, statsLength);
        srcIndex += statsLength;
        return srcIndex - start;
    }

    private int readNodeNameArray(final byte[] src, int srcIndex) {

        resourceManager.markClosed(id1);

        Map<String, Object> stats = resourceManager.getStatistics();

        assertNotNull(stats);
        assertTrue((long) stats.get("totalAllocated") >= 2);
        assertTrue((long) stats.get("totalReleased") >= 1);
        assertNotNull(stats.get("activeResources"));
        assertNotNull(stats.get("closedResources"));
    }

    @Test

        Map<EventType, Long> stats = logger.getStatistics();
        assertEquals(Long.valueOf(1), stats.get(EventType.AUTHENTICATION_SUCCESS), "Should have 1 authentication success event");
        assertEquals(Long.valueOf(1), stats.get(EventType.AUTHENTICATION_FAILURE), "Should have 1 authentication failure event");
        assertEquals(Long.valueOf(1), stats.get(EventType.FILE_ACCESS), "Should have 1 file access event");

    void testInitialization() {
        assertNotNull(multiChannelManager);
        MultiChannelManager.ChannelStatistics stats = multiChannelManager.getStatistics();
        assertEquals(0, stats.getActiveSessions());
        assertEquals(0, stats.getTotalChannels());
    }

    @Test
    @DisplayName("createChannelTransport should fail with null addresses")

		<Property name="log.file.basedir" value="${sys:fess.log.path:-target/logs}" />
		<Property name="backup.date.suffix" value="_%d{yyyyMMdd}" />
		<Property name="backup.max.history" value="10" />
		<Property name="stats.log.pattern" value="%msg%n" />
	</Properties>

	<Appenders>
		<RollingFile name="AppRollingFile" fileName="${log.file.basedir}/${domain.name}.log"

        System.arraycopy(src, srcIndex + namesLength, macAddress, 0, 6);
        srcIndex += readNodeNameArray(src, srcIndex);
        stats = new byte[statsLength];
        System.arraycopy(src, srcIndex, stats, 0, statsLength);
        srcIndex += statsLength;
        return srcIndex - start;
    }

    private int readNodeNameArray(final byte[] src, int srcIndex) {