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Supported Metrics

Updated on 2023-06-20 GMT+08:00

Function

This section describes CSS metrics that can be monitored by Cloud Eye as well as their namespaces and dimensions. You can use the management console or APIs provided by Cloud Eye to view the monitoring metrics and alarms generated for CSS.

Namespace

SYS.ES

Monitoring Metrics

  • Table 1 describes the monitoring metrics of CSS clusters.
  • Monitored object: CSS cluster
  • 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

status

Cluster Health Status

Health status of the monitored object

0,1,2,3

0: All primary and replica shards are allocated. Your cluster is 100% operational.

1: All primary shards are allocated, but at least one replica is missing. No data is missing, so search results will still be complete. However, high availability is compromised to some degree. If more shards disappear, you might lose data. Think of this status as a warning that should prompt investigation.

2: Data is missing and the cluster fails to work.

3: The cluster status is not obtained.

disk_util

Disk Usage

Disk usage of the monitored object.

Unit: %

0-100%

max_jvm_heap_usage

Max. JVM Heap Usage

Maximum JVM heap usage of nodes in a CSS cluster.

Unit: %

0-100%

max_jvm_young_gc_time

Max. JVM Young GC Duration

Maximum accumulated JVM Young GC duration of nodes in a CSS cluster.

Unit: ms

≥ 0 ms

max_jvm_young_gc_count

Max. JVM Young GC Count

Maximum accumulated JVM Young GC count of nodes in a CSS cluster.

≥ 0

max_jvm_old_gc_time

Max. JVM Old GC Duration

Maximum accumulated JVM Old GC duration of nodes in a CSS cluster.

Unit: ms

≥ 0 ms

max_jvm_old_gc_count

Max. JVM Old GC Count

Maximum accumulated JVM Old GC count of nodes in a CSS cluster.

≥ 0

total_fs_size

Total Size of File Systems

Total size of file systems in a CSS cluster.

Unit: byte

≥ 0 bytes

free_fs_size

Available Size of File Systems

Available size of file systems in a CSS cluster.

Unit: byte

≥ 0 bytes

max_cpu_usage

Max. CPU Usage

Maximum node CPU usage in a CSS cluster.

Unit: %

0-100%

max_cpu_time_of_jvm_process

Max. CPU Time of JVM Process

Maximum accumulated CPU usage duration of node JVM processes in a CSS cluster.

Unit: ms

≥ 0 ms

max_virtual_memory_size_of_jvm_process

Max. Virtual Memory Size of JVM Process

Maximum virtual memory size of node JVM processes in a CSS cluster.

Unit: byte

≥ 0 bytes

max_current_opened_http_count

Current Max. Opened HTTP Connections

Maximum number of HTTP connections that are currently open for nodes in a CSS cluster.

≥ 0

max_total_opened_http_count

Total Max. Opened HTTP Connections

Maximum number of HTTP connections that were open for nodes in a CSS cluster.

≥ 0

indices_count

Indexes

Number of indexes in a CSS cluster

≥ 0

total_shards_count

Shards

Number of shards in a CSS cluster

≥ 0

primary_shards_count

Primary Shards

Number of primary shards in a CSS cluster

≥ 0

docs_count

Documents

Number of documents in a CSS cluster

≥ 0

docs_deleted_count

Deleted Documents

Number of documents deleted in a CSS cluster

≥ 0

nodes_count

Nodes

Number of nodes in a CSS cluster

≥ 0

data_nodes_count

Data Nodes

Number of data nodes in a CSS cluster

≥ 0

coordinating_nodes_count

Coordinating Nodes

Number of coordinating nodes in a CSS cluster

≥ 0

master_nodes_count

Master Nodes

Number of master nodes in a CSS cluster

≥ 0

ingest_nodes_count

Client Nodes

Number of client nodes in a CSS cluster

≥ 0

max_load_average

Max. Node Load

Maximum number of average queuing tasks per minute on nodes in a cluster.

≥ 0

avg_cpu_usage

Avg. CPU Usage

Average node CPU usage in a CSS cluster.

Unit: %

0-100%

avg_load_average

Avg. Node Load

Average number of queuing tasks per minute on nodes in a CSS cluster.

≥ 0

avg_jvm_heap_usage

Avg. JVM Heap Usage

Average node JVM heap usage in a CSS cluster.

Unit: %

0-100%

max_open_file_descriptors

Max. Open File Descriptors

Maximum number of node file descriptors that are currently open in a CSS cluster.

≥ 0

avg_open_file_descriptors

Avg. Open File Descriptors

Average number of node file descriptors that are currently open in a CSS cluster.

≥ 0

sum_max_file_descriptors

Max. Allowed File Descriptors

Maximum number of allowed node file descriptors in a CSS cluster.

≥ 0

sum_open_file_descriptors

Open File Descriptors

Number of node file descriptors that are currently open in a cluster.

≥ 0

sum_thread_pool_write_queue

Tasks in Write Queue

Number of job queues in a write thread pool

≥ 0

sum_thread_pool_search_queue

Tasks in Search Queue

Total number of queuing tasks in the search thread pools of nodes in the CSS cluster.

≥ 0

sum_thread_pool_force_merge_queue

Tasks in ForceMerge Queue

Total number of queuing tasks in the force merge thread pools of nodes in the CSS cluster.

≥ 0

sum_thread_pool_write_rejected

Rejected Tasks in Write Queue

Total number of rejected tasks in the write thread pools of nodes in the CSS cluster.

≥ 0

sum_thread_pool_search_rejected

Rejected Tasks in Search Queue

Total number of rejected tasks in the search thread pools of nodes in the CSS cluster.

≥ 0

sum_thread_pool_force_merge_rejected

Rejected Tasks in ForceMerge Queue

Total number of rejected tasks in the force merge thread pools of nodes in the CSS cluster.

≥ 0

max_thread_pool_search_queue

Max. Tasks in Search Queue

Maximum number of queuing tasks in the search thread pools of nodes in a CSS cluster.

≥ 0

max_thread_pool_force_merge_queue

Max. Tasks in ForceMerge Queue

Maximum number of queuing tasks in the force merge thread pools of nodes in a CSS cluster.

≥ 0

sum_thread_pool_write_threads

Size of Write Thread Pool

Total size of the write thread pools of nodes in the CSS cluster.

≥ 0

sum_thread_pool_search_threads

Size of Search Thread Pool

Total size of the search thread pools of nodes in the CSS cluster.

≥ 0

sum_thread_pool_force_merge_threads

Size of ForceMerge Thread Pool

Total size of the force merge thread pools of nodes in the CSS cluster.

≥ 0

avg_thread_pool_write_queue

Avg. Tasks in Write Queue

Average number of queuing tasks in the write thread pools of nodes in a CSS cluster.

≥ 0

avg_thread_pool_search_queue

Avg. Tasks in Search Queue

Average number of queuing tasks in the search thread pools of nodes in a CSS cluster.

≥ 0

avg_thread_pool_force_merge_queue

Avg. Tasks in ForceMerge Queue

Average number of queuing tasks in the force merge thread pools of nodes in the CSS cluster.

≥ 0

avg_thread_pool_search_threads

Avg. Size of Search Thread Pool

Average size of the search thread pool of a node in a CSS cluster.

≥ 0

avg_thread_pool_write_threads

Avg. Size of Write Thread Pool

Average size of the write thread pool of a node in a CSS cluster.

≥ 0

avg_thread_pool_force_merge_threads

Avg. Size of ForceMerge Thread Pool

Average size of the force merge thread pool of a node in a CSS cluster.

≥ 0

avg_thread_pool_write_rejected

Avg. Rejected Tasks in Write Queue

Average number of rejected tasks in the write thread pool of a node in a CSS cluster.

≥ 0

min_free_fs_size

Min. Available Storage Space

Minimum available storage space of nodes in a CSS cluster.

Unit: byte

≥ 0 bytes

avg_jvm_old_gc_count

Avg. GCs of Old-Generation JVM

Average number of old-generation garbage collections of nodes in a CSS cluster.

≥ 0

avg_jvm_old_gc_time

Avg. GC Duration of Old-Generation JVM

Average old-generation garbage collection duration of nodes in a CSS cluster.

Unit: ms

≥ 0 ms

avg_jvm_young_gc_count

Avg. GCs of Young-Generation JVM

Average number of young-generation garbage collections of nodes in a CSS cluster.

≥ 0

avg_jvm_young_gc_time

Avg. GC Duration of Young-Generation JVM

Average young-generation garbage collection duration of nodes in a CSS cluster.

Unit: ms

≥ 0 ms

avg_max_file_descriptors

Avg. Maximum Allowed File Descriptors

Average value of the maximum number of allowed file descriptors on each node in a CSS cluster.

≥ 0

avg_mem_free_in_bytes

Avg. Available Memory

Average unused memory capacity of nodes in a CSS cluster.

Unit: byte

≥ 0 bytes

avg_mem_free_percent

Avg. Available Memory Percentage

Average percentage of unused memory of nodes in a CSS cluster.

Unit: %

0-100%

avg_mem_used_in_bytes

Avg. Used Memory

Average used memory of nodes in a CSS cluster.

Unit: byte

≥ 0 bytes

avg_mem_used_percent

Avg. Used Memory Percentage

Average percentage of used memory of nodes in a CSS cluster.

Unit: %

0-100%

max_mem_free_in_bytes

Max. Available Memory

Maximum unused memory of nodes in a CSS cluster.

Unit: byte

≥ 0 bytes

max_mem_free_percent

Max. Available Memory Percentage

Maximum percentage of unused memory of nodes in a CSS cluster.

Unit: %

0-100%

max_mem_used_in_bytes

Max. Used Memory

Maximum used memory of nodes in a CSS cluster.

Unit: byte

≥ 0 bytes

max_mem_used_percent

Max. Used Memory Percentage

Maximum percentage of used memory of nodes in a CSS cluster.

Unit: %

0-100%

sum_jvm_old_gc_count

Total GCs of Old-Generation JVM

Number of old-generation garbage collections of nodes in a CSS cluster.

≥ 0

sum_jvm_old_gc_time

Total GC Duration of Old-Generation JVM

Total old-generation garbage collection duration of nodes in the CSS cluster.

Unit: ms

≥ 0ms

sum_jvm_young_gc_count

Total GCs of Young-Generation JVM

Number of young-generation garbage collections of nodes in a CSS cluster.

≥ 0

sum_jvm_young_gc_time

Total GC Duration of Young-Generation JVM

Total young-generation garbage collection duration of nodes in the CSS cluster.

Unit: ms

≥ 0 ms

sum_current_opened_http_count

Currently Open HTTP Connections

Number of HTTP connections that are open on nodes in a CSS cluster.

≥ 0

sum_total_opened_http_count

Historical Open HTTP Connections

Number of HTTP connections that were open on nodes in a CSS cluster.

≥ 0

IndexingLatency

Average Index Latency

Average time required for a shard to complete an index operation.

Unit: ms

≥ 0 ms

IndexingRate

Average Index Rate

Average number of index operations per second in a cluster.

Unit: s

≥ 0s

SearchLatency

Average Search Latency

Average time required for a segment to complete the search operation.

Unit: ms

≥ 0 bytes

SearchRate

Average QPS

Average queries per second (QPS) in a cluster.

Unit: s

≥ 0/s

Dimension

Table 2 Dimension description

Key

Value

cluster_id

CSS cluster

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