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Cluster Node Information | ||
| Indicator | Description | Configurable |
|---|---|---|
| Server Hostname | The local hostname of the server as determined InetAddress.getLocalHost().getHostName(). | No |
| Server MAC Address | The MAC address of the network interface handling outbound HTTP/HTTPS traffic. See nl.gx.ps.systemrepair.utils.Util.getMACAddress in the System Consistency Checker reusable. | No |
| Cluster Node ID | The value of the system property org.apache.jackrabbit.core.cluster.node_id. All values are displayed in green. | No |
| Amount of Processors | The number of processors available on the server as indicated by Runtime.getRuntime().availableProcessors(). | Yes |
| Memory Available JVM | Specifies how much memory is available to the Java Virtual Machine (JVM) on the server. | Yes |
| Server Mode | Shows either "backend" or "frontend" depending on the value of Config.isReadOnly(). If this is true, "frontend" is returned, otherwise "backend" is returned. All values are displayed in green. | No |
| Taskmaster | Shows either "true" or "false" as indicated by WatcherThread.isClusterTaskMaster(). All values are displayed in green. | No |
| Server Up Time | The date and time the server was started for the last time. . For example: Server up since Mon Apr 08 11:22:13 CEST 2019 All values are displayed in green. This timestamp can also be seen in the Status Administrative Page. | No |
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Frontend Requests | ||
| Indicator | Description | Configurable |
|---|---|---|
| Visitors | The number of current unique website visitors (active frontend sessions). | No |
| Active Requests | The number of current frontend active requests. This value can also be see in the Status Administrative Page. | Yes |
| Max Response Time | The maximum response time, in milliseconds, measured in the last completed interval. The default interval is 5 minutes. | No |
| Average Response Time | The average time, in milliseconds, it took to handle a frontend request, measured over the last completed interval (five minutes by default). | Yes |
| Departure Rate | How long it takes to fully handle a request (the opposite of "Arrival Rate". | No |
| Client Errors | The number of 4xx HTML status codes returned as a response to frontend requests in the last completed interval (15 minutes by default). | Yes |
| Server Errors | The number of 5xx HTML status codes returned as a response to frontend requests in the last completed interval (15 minutes by default). | Yes |
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Backend Requests | ||
| Indicator | Description | Configurable |
|---|---|---|
| Editors | The number of unique editors registered to this XperienCentral deployment, both active and nonactive. | No |
| Active Requests | The number of current backend active requests. This value can also be see in the Status Administrative Page. | Yes |
| Max Response Time | The maximum response time, in milliseconds, measured in the last completed interval. The default interval is 5 minutes. | No |
| Average Response Time | The average time, in milliseconds, the handling of a backend request took, measured over the last completed interval (5 minutes by default). | Yes |
| Traffic Queue | Indicates the balance of traffic in the queue. | |
| Client Errors | The number of 4xx HTML status codes returned as a response to backend requests in the last completed interval (15 minutes by default). | Yes |
| Server Errors | The number of 5xx HTML status codes returned as a response to backend requests in the last completed interval (15 minutes by default). | Yes |
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Uploads | ||
| Indicator | Description | Configurable |
|---|---|---|
| # Uploads | The number of uploads in the cluster. | No |
| Uploads File Size | The size, in MB, of all uploads in the cluster. | No |
| # Multimedia Uploads | The number of multimedia files in the cluster. | No |
| Multimedia Uploads File Size | The size, in MB, of all multimedia files in the cluster. | No |
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Garbage Collection | ||
| Indicator | Description | Configurable |
|---|---|---|
| Average space cleared by minor GC since 5 minutes | The average space, in MB, cleared by minor garbage collections in the last interval (5 minutes by default). | No |
| Average space cleared by major GC since 5 minutes | The average space, in MB, cleared by major garbage collections in the last interval (5 minutes by default). | No |
| Amount of minor GC since 5 minutes | The number er of minor garbage collections executed in the last completed interval (5 minutes by default). | Yes |
| Amount of major GC since 5 minutes | The number of major garbage collections executed in the last completed interval (5 minutes by default). | Yes |
| Tip |
|---|
See https://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html for information about garbage collection in Java. |
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CPU | ||
| Indicator | Description | Configurable |
|---|---|---|
| Active threads | The number of active threads in the JVM. | Yes |
| CPU Overview | The total CPU usage by all processes. | Yes |
| Process CPU | The CPU usage of the current JVM process presented as a percentage of the total available. | Yes |
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Frontend Cache | ||
| Indicator | Description | Configurable |
|---|---|---|
| Amount of cache files | The number of files in the frontend cache. | No |
| Cache disk space | The size, in KB, of all cached files. | No |
| Cache ratio | The number of frontend requests served from the cache divided by the number of generated frontend requests (in %). | No |
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Memory Information | ||
| Indicator | Description | Configurable |
|---|---|---|
| Installed RAM | The amount of RAM installed on the server. | Yes |
| Heap allocated to the JVM | The amount of memory allocated to the Java Virtual Machine (JVM). | Yes |
| Used heap memory | The percentage of used heap space compared to the total committed heap space. | Yes |
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Disk | ||
| Indicator | Description | Configurable |
|---|---|---|
| Capacity | The size of the hard disk drive on the server. | No |
| Free Space | The amount of free space on the disk. | Yes |
| Used Space (in GB) | The amount of space used on the disk. | No |
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