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Monitoring Metrics of Nodes

Updated on 2024-12-02 GMT+08:00

Function

This topic describes CSS metrics that can be monitored by Cloud Eye as well as their namespaces and dimensions. You can search for the monitoring metrics and alarms generated for CSS on the Cloud Eye console or by calling APIs.

Namespace

SYS.ES

Monitoring Metrics

  • Table 1 describes the monitoring metrics of CSS clusters.
  • Monitored object: Cloud service nodes of CSS clusters
  • Monitoring period (original metric): 1 minute
NOTE:

Accumulated value: The value is accumulated from the time when a node is started. After the node is restarted, the value is reset to zero and accumulated again.

Table 1 CSS metrics

Metric ID

Metric

Description

Value Range

Monitored Object

Monitoring Interval (Raw Data)

jvm_heap_usage

JVM Heap Usage

JVM heap memory usage of a node.

Unit: %

0-100%

CSS cluster - cloud service node

1 minute

cpu_usage

CPU Usage

CPU usage.

Unit: %

0-100%

CSS cluster - cloud service node

1 minute

load_average

Average Load

Average number of queuing tasks per minute on a node

≥ 0

CSS cluster - cloud service node

1 minute

open_file_descriptors

Open File Descriptors

Number of opened file descriptors on a node

≥ 0

CSS cluster - cloud service node

1 minute

max_file_descriptors

Max. Allowed File Descriptors

Maximum number of allowed file descriptors

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_write_queue

Tasks in Write Queue

Number of job queues in a write thread pool

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_search_queue

Tasks in Search Queue

Number of job queues in a search thread pool

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_force_merge_queue

Tasks in ForceMerge Queue

Number of job queues in a force merge thread pool

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_write_rejected

Rejected Tasks in Write Queue

Number of rejected jobs in a write thread pool

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_search_rejected

Rejected Tasks in Search Queue

Number of rejected jobs in a search thread pool

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_force_merge_rejected

Rejected Tasks in ForceMerge Queue

Number of rejected jobs in a force merge thread pool

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_write_threads

Size of Write Thread Pool

Size of a write thread pool

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_search_threads

Size of Search Thread Pool

Size of a search thread pool

≥ 0

CSS cluster - cloud service node

1 minute

thread_pool_force_merge_threads

Size of ForceMerge Thread Pool

Size of a force merge thread pool

≥ 0

CSS cluster - cloud service node

1 minute

free_fs_size

Available Size of File Systems

Available size of file systems in a CSS cluster

≥ 0

CSS cluster - cloud service node

1 minute

total_fs_size

Total Size of File Systems

Total size of file systems in a CSS cluster

≥ 0

CSS cluster - cloud service node

1 minute

jvm_old_gc_count

Total GCs of Old-Generation JVM

Number of old-generation garbage collection times

≥ 0

CSS cluster - cloud service node

1 minute

jvm_old_gc_time

Total GC Duration of Old-Generation JVM

Old-generation garbage collection duration.

Unit: ms

≥ 0 ms

CSS cluster - cloud service node

1 minute

jvm_young_gc_count

Total GCs of Young-Generation JVM

Number of young-generation garbage collection times

≥ 0

CSS cluster - cloud service node

1 minute

jvm_young_gc_time

GC Duration of Young-Generation JVM

Young-generation garbage collection duration.

Unit: ms

≥ 0 ms

CSS cluster - cloud service node

1 minute

mem_free_in_bytes

Available Memory

Unused memory space of a node.

Unit: byte

≥ 0 bytes

CSS cluster - cloud service node

1 minute

mem_free_percent

Available Memory Percentage

Percentage of unused memory space on a node.

Unit: byte

≥ 0 bytes

CSS cluster - cloud service node

1 minute

mem_used_in_bytes

Used Memory

Used memory space of a node.

Unit: byte

≥ 0 bytes

CSS cluster - cloud service node

1 minute

current_opened_http_count

Currently Open HTTP Connections

Number of HTTP connections on a node

≥ 0

CSS cluster - cloud service node

1 minute

total_opened_http_count

Total Open HTTP Connections

Total number of HTTP connections on a node

≥ 0

CSS cluster - cloud service node

1 minute

Dimension

Table 2 Dimension description

Key

Value

cluster_id

CSS cluster - cloud service node

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