Description
This template monitors NameNode related metrics. It is applicable for the devices containing HDFS application.
Prerequisites
Java must be installed on the device. Gateway should be up and running. The device should be reachable from Gateway. The device should be in managed state.
Metric Parameters
| Parameter | Description |
|---|---|
| Frequency | Warning Threshold | If the metric value satisfies the condition defined along with Warning Threshold value, then a notification is sent to the user. |
| Critical Threshold | If the metric value satisfies the condition defined along with Critical Threshold value, then a notification is sent to the user. |
| Alert | The alert value can be set to either Yes or No. If it is Yes, then an alert message is sent to the user. |
Metrics
hdfs.namenode.blocks.total
Metric Details
| Applicable for | Device |
| Description | Total number of allocated blocks in the system. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | Yes | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.capacity.remaining
Metric Details
| Applicable for | Device |
| Description | Remaining disk space left in bytes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | Bytes |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.capacity.used
Metric Details
| Applicable for | Device |
| Description | Capacity used by Namenodes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | Bytes |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.capacity.total
Metric Details
| Applicable for | Device |
| Description | Total capacity of the Namenode in bytes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | Bytes |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.files.total
Metric Details
| Applicable for | Device |
| Description | Total number of files. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.total.load
Metric Details
| Applicable for | Device |
| Description | Total load on the file system. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.scheduled.replication.blocks
Metric Details
| Applicable for | Device |
| Description | Current number of blocks scheduled for replications. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.pending.deletion.blocks
Metric Details
| Applicable for | Device |
| Description | Current number of blocks pending for deletion. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.under.replicated.blocks
Metric Details
| Applicable for | Device |
| Description | Number of under replicated blocks. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.pending.replication.blocks
Metric Details
| Applicable for | Device |
| Description | Number of blocks pending for replication. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.max.objects
Metric Details
| Applicable for | Device |
| Description | Maximum number of files HDFS supports. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.num.live.data.nodes
Metric Details
| Applicable for | Device |
| Description | Total number of live data nodes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.num.dead.data.nodes
Metric Details
| Applicable for | Device |
| Description | Total number of dead data nodes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.num.decom.live.data.nodes
Metric Details
| Applicable for | Device |
| Description | Number of decommissioning live data nodes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.num.decom.dead.data.nodes
Metric Details
| Applicable for | Device |
| Description | Number of decommissioning dead data nodes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.num.decomm.data.nodes
Metric Details
| Applicable for | Device |
| Description | Number of decommissioning data nodes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.num.stale.data.nodes
Metric Details
| Applicable for | Device |
| Description | Number of stale data nodes. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.num.stale.storages
Metric Details
| Applicable for | Device |
| Description | Number of stale storages. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.missing.blocks
Metric Details
| Applicable for | Device |
| Description | Number of missing blocks. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.corrupt.blocks
Metric Details
| Applicable for | Device |
| Description | Number of corrupt blocks. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.status
Metric Details
| Applicable for | Device |
| Description | NameNode Status, displays 1 : active Mode 2 : Standby Mode |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode Monitor |
| Unit | NULL |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.non.heap.memory.used
Metric Details
| Applicable for | Device |
| Description | Current non-heap memory used in MB. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | MB |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.non_heap_memory_committed
Metric Details
| Applicable for | Device |
| Description | Current non-heap memory committed in MB. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | MB |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.non_heap_memory_max
Metric Details
| Applicable for | Device |
| Description | Max non-heap memory size in MB. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | MB |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.heap_memory_used
Metric Details
| Applicable for | Device |
| Description | Current heap memory used in MB. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | MB |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.heap_memory_committed
Metric Details
| Applicable for | Device |
| Description | Current heap memory committed in MB. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | MB |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.heap_memory_max
Metric Details
| Applicable for | Device |
| Description | Max heap memory size in MB. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | NULL |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.max.memory
Metric Details
| Applicable for | Device |
| Description | JVM Max memory size in MB. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | NULL |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.threads_new
Metric Details
| Applicable for | Device |
| Description | Current number of NEW threads. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.threads_blocked
Metric Details
| Applicable for | Device |
| Description | Current number of BLOCKED threads. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.threads_waiting
Metric Details
| Applicable for | Device |
| Description | Current number of WAITING threads. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.threads_timed_waiting
Metric Details
| Applicable for | Device |
| Description | Current number of TIMED_WAITING threads. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.threads_terminated
Metric Details
| Applicable for | Device |
| Description | Current number of TERMINATED threads. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph
hdfs.namenode.threads_runnable
Metric Details
| Applicable for | Device |
| Description | Current number of RUNNABLE threads. |
| Category | Application |
| Collector Type | Gateway |
| Monitor Name | HDFS NameNode JVM Monitor |
| Unit | count |
Possible Inputs
| Metric | Input Value | Range of Values |
|---|---|---|
| Frequency | 5 | 1 – 1440 (mins) |
| Filter | ||
| Warning Operator | ||
| Warning Threshold | ||
| Warning Repeat Count | ||
| Critical Operator | ||
| Critical Threshold | ||
| Critical Repeat Count | ||
| Alert | No | Yes/No |
| Graph (Yes/No) | Yes | Yes/No |
Sample Output
No graph