This plugin

 collects metrics from Apache Hadoop nodes.

Prerequisites

Meter 4.5 or later must be installed.

The Hadoop plugin supports the following Operating System.

Linux

✅️

To install the plugin

  1. From the top right of the screen, perform one of the following actions:
    • Click Settings > Data Collection, select the TrueSight meter, and select the Sources tab.
    • Click Settings > Configure Sources.
  2. Use the search box or scroll through the page to find the source system which has the TrueSight meter on which you want to install the plugin.
  3. Click the name of the source to view source details.
  4. Select the Plugins tab.
  5. Use the search box or scroll through the page to find the plugin you want to install.
  6. Click + Install to start the installation.

    Refer to the following sections for the configuration details required to collect data and view the list of plugin metrics.

Configuration details

Field

Description

Host

The hadoop host name

Type

Type of hadoop node (single node or multi node) to monitor

RM Port

Resource manager hadoop port number

DataNode Port

DataNode hadoop port number

NameNode Port

NameNode hadoop port number

PollInterval

The frequency (in milliseconds) used to poll for metrics. Default value is 1000 ms, we do not recommend a value smaller than the default value

Advanced configuration

To customize this plugin, see Hadoop plugin on GitHub.

Plugin metrics

Metric Name

Description

HADOOP_NAMENODE_FS_CAPACITY_REMAINING

Remaining disk space left in bytes

HADOOP_NAMENODE_FS_CORRUPTED_BLOCKS

Number of corrupt blocks

HADOOP_NAMENODE_FS_MISSINGED_BLOCKS

Number of missing blocks

HADOOP_NAMENODE_FS_BLOCKSED_TOTAL

Total number of blocks

HADOOP_NAMENODE_FS_FILES_TOTAL

Total number of files

HADOOP_NAMENODE_FS_BLOCKED_CAPACITY

Total Blocked Capacitys

HADOOP_NAMENODE_FS_UNDER_REPLICATED_BLOCKS

Number of under replicated blocks

HADOOP_NAMENODE_FS_CAPACITYED_USED

Disk usage in bytes

HADOOP_NAMENODE_FS_TOTAL_LOAD

Total load on the file system

HADOOP_NAMENODE_FSSTATE_VOLUME_FAILURES_TOTAL

Total volume failures

HADOOP_NAMENODE_FSSTATE_NUMBER_OF_LIVE_DATA_NODES

Total number of live data nodes

HADOOP_NAMENODE_FSSTATE_NUMBER_OF_DEAD_DATA_NODES

Total number of dead data nodes

HADOOP_NAMENODE_FSSTATE_NUMBER_OF_STALE_DATA_NODES

Number of stale data nodes

HADOOP_MAP_REDUCED_PROCESS_CPU_TIME

Prcesss cpu time

HADOOP_MAP_REDUCED_PROCESS_CPU_LOAD

Prcesss cpu load

HADOOP_MAP_REDUCED_SYSTEM_CPU_LOAD

System cpu load

HADOOP_MAP_REDUCED_AVAILABLE_PROCESSORS

Number of processors available

HADOOP_MAP_REDUCED_TOTAL_SWAP_SPACE_SIZE

Total swap space size

HADOOP_MAP_REDUCED_FREE_SWAP_SPACE_SIZE

Total swap space free

HADOOP_MAP_REDUCED_FREE_PHYSICAL_MEMORY_SIZE

Physical memory free size

HADOOP_MAP_REDUCED_TOTAL_PHYSICAL_MEMORY_SIZE

Total Physical memory size

HADOOP_YARN_APPLICATION_RUNNING

The number of running apps

HADOOP_YARN_APPLICATION_FAILED

The number of failed apps

HADOOP_YARN_APPLICATION_KILLED

The number of killed apps

HADOOP_YARN_APPLICATION_PENDING

The number of pending apps

HADOOP_YARN_AVAILABLE_MEMORY

The amount of available memory

HADOOP_YARN_AVAILABLE_VCORES

The number of available virtual cores

HADOOP_YARN_NUMMBER_OF_UNHEALTHY_NODES

The number of unhealthy nodes

HADOOP_YARN_NUMMBER_OF_ACTIVE_NODES

The number of active nodes

HADOOP_YARN_NUMMBER_OF_LOST_NODES

The number of lost nodes

HADOOP_YARN_USED_MEMORY

Total used memory

HADOOP_YARN_NUMBER_OF_CONTAINERS

Number of containers

HADOOP_DATANODE_HEAP_MEMORY_USED

Heap memory used

HADOOP_DATANODE_HEAP_MEMORY_MAX

Heap memory max used

HADOOP_DATANODE_GC_COUNT

GC count

HADOOP_DATANODE_GC_TIME_MILLIS

GC time milliseconds

HADOOP_DATANODE_GC_NUMBER_OF_WARN_THREADSHOLD_EXCEEDED

GC of warn threadshold exceeded

HADOOP_DATANODE_GC_NUMBER_OF_INFO_THREADSHOLD_EXCEEDED

GC of info threadshold exceeded

HADOOP_DATANODE_GC_TOTAL_EXTRA_SLEEP_TIME

GC extra sleep time

HADOOP_DATANODE_BLOCKS_READ

Blocks read

HADOOP_DATANODE_BLOCKS_WRITTEN

Blocks written

HADOOP_DATANODE_VOLUME_FAILURES

Number of failed volumes

HADOOP_DATANODE_NUMBER_OF_FAILED_STORAGE_VOLUMES

Number of failed storage volumes

HADOOP_DATANODE_REMAINING_CAPACITY

Remaining disk space