Elastic Healthcheck Commands

The elastic subcommand in Accelo Healthcheck helps you diagnose and manage Elasticsearch-related issues. It provides commonly used Elasticsearch diagnostic and maintenance operations through a single, secure command interface.

To view all available subcommands and flags, run:

accelo admin hc elastic --help

Available Subcommands

• alias
• cluster-health
• cluster-settings
• delete
• health-report
• shard-count

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Default Behavior

By default, the following command lists all Elasticsearch indices for the specified environment:

accelo admin hc elastic -e <environment>

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Commonly Used Flags

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Sample Output: List Indices

accelo admin hc elastic -e <environment>

Example output:

╔════════╦════════════════════════════════════╦═══════════════╦══════════╦═══════════╦════════════╗
║ HEALTH ║ INDEX ║ PRIMARY SHARD ║ REPLICAS ║ DOC COUNT ║ STORE SIZE ║
╚════════╩════════════════════════════════════╩═══════════════╩══════════╩═══════════╩════════════╝

---

Commands

Alias

Retrieves alias information for one or more indices.

Command:

accelo admin hc elastic alias -e <environment>

Sample output:

{
 "actions_service-axn-actions_service-2025.01.28": {
 "aliases": {}
 }
}

---

Cluster Health

Retrieves the health status of the Elasticsearch cluster.

Command:

accelo admin hc elastic cluster-health -e <environment>

Sample output:

INFO: elastic cluster health
{
 "active_primary_shards": 355,
 "active_shards": 355,
 "active_shards_percent_as_number": 98.61111111111111,
 "cluster_name": "elasticsearch",
 "delayed_unassigned_shards": 0,
 "initializing_shards": 0,
 "number_of_data_nodes": 1,
 "number_of_in_flight_fetch": 0,
 "number_of_nodes": 1,
 "number_of_pending_tasks": 0,
 "relocating_shards": 0,
 "status": "yellow",
 "task_max_waiting_in_queue_millis": 0,
 "timed_out": false,
 "unassigned_shards": 5
}

---

Cluster Settings

Retrieves cluster-wide persistent and transient settings.

Command:

accelo admin hc elastic cluster-settings -e <environment>

Sample output:

{
 "persistent": {},
 "transient": {}
}

---

Delete Index

Deletes one or more indices from the Elasticsearch cluster.

accelo admin hc elastic delete -e XXXXXXXXXXXX -i <indexName>

To delete multiple indices, give -m flag, when -m is used -i flag can be used as regex and multiple indices can be deleted.

Sample output:

[root@odppulse201:acceldata (ad-default)]$ accelo admin hc elastic delete -e XXXXXX -i 2025.01.12 -m
INFO: index 'smokey-hdfs-audit-2025.01.12' deleted successfully
INFO: index 'smokey-logs-hbase_master-warn-2025.01.12' deleted successfully
INFO: index 'smokey-logs-hive_server-warn-2025.01.12' deleted successfully
INFO: index 'smokey-logs-yarn_timelinereader-warn-2025.01.12' deleted successfully
INFO: index 'smokey-logs-yarn_timelineserver-warn-2025.01.12' deleted successfully
INFO: index 'smokey-logs-hdfs_datanode-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-oozie_server-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-hive_server-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-zookeeper-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-mapred_historyserver-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-nifi-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-kafka_server_gc-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-hdfs_namenode-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-hbase_regionserver-warn-2025.01.12' deleted successfully
INFO: index 'smokey-logs-yarn_resourcemanager-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-hbase_master-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-yarn_timelineserver-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-hbase_regionserver-info-2025.01.12' deleted successfully
INFO: index 'smokey-logs-yarn_nodemanager-info-2025.01.12' deleted successfully

---

Health Report

Retrieves a detailed health report for the Elasticsearch cluster.

Command:

accelo admin hc elastic health-report -e <environment>

---

Shard Count

Updates the number of shards configured for the Elasticsearch cluster.

Command:

accelo admin hc elastic shard-count -e <environment> -s <new-shard-count>

Sample output:

INFO: shard count altered successfully