Pulse

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Get Started

Overview Understand the Charts in Pulse Node Quota Enforcement

Search Acceldata Docs

Search Docs in ChatGPT Using MCP Server Search Docs in Cursor Using MCP Server

WCAG 2.1 AA Accessibility Compliance

Architecture

How Pulse Works

Pulse Agents Pulse Hooks

Pulse on Docker/Podman

Pulse Core Services (Docker/Podman) Pulse Add-on Services Pulse Databases

How Pulse Processes Events Spark on OpenShift: Pulse Observability

Core Concepts

Monitor and Analyze Manage Alerts and Actions Optimize Resources

Monitor and Analyze

Manage Clusters Monitor Cluster Health (Overview)

Analyze Cluster Health (In Detail)

Analyze Node Health and Performance

Visualize Nodes Dashboard Metrics

Monitor and Analyze Nodes

Visualize Node Details

Search Records Check Hadoop Service Status Compare Nodes Resource Usage

Analyze YARN Workloads or Applications

Analyze Application-Level Metrics Visualize Application Resources Search and Filter YARN Applications Save and Reuse Search Queries Analyze Concurrency and Compare Data Apply Performance Recommendations Track Application Incidents and Alerts

Troubleshoot Services Using Logs

Troubleshoot Using Application Logs Troubleshoot Using HDFS Audit Logs Troubleshoot Using Ranger Audit Logs Sample Elasticsearch Queries for Searching Logs

Monitor and Analyze Hadoop Services

HDFS Analytics

HDFS File Explorer

Update Real-time Monitoring Parameters of HDFS Real-Time Data Support Without Compromising System Stability Enable Last Accessed Updates

View HDFS Snapshots Configure HDFS Small File Threshold Configure DS and NS Quota Paths for Creating an Alert Create Alerts for Small Files

Troubleshooting

FSImage Loading Takes More Time Configuring FSImage Fetch for FSAnalytics in Kerberos and Non-Kerberos HDFS Web UI Environments

YARN Capacity YARN Services YARN-Application Explorer

MapReduce Queries MapReduce Query Details MapReduce Tables MapReduce Details MapReduce Table Details

Hive on Spark Queries Hive on Spark Query Details Hive on Spark Tables Hive on Spark Table Details

Impala Daemons Impala Queries Impala Query Details Impala Tables

Spark Batch Details Spark Jobs Spark Job Details Spark Stage Details Spark Streams

Spark Thrift Chargeback Reports Spark Thrift Queries Spark Thrift Query Details Spark Thrift Table Details Spark Thrift Tables

Tez Queries Tez Query Details Tez Tables Tez Table Details

Trino Dashboard Trino Queries Trino Queries Details Monitor Trino with Pulse Alerts

LLAP Chargeback Reports LLAP Daemons LLAP Queries LLAP Query Details LLAP Tables LLAP Table Details

Monitor ClickHouse Health and Logs Monitor ClickHouse with Pulse Alerts

Visualize ClickHouse Operational Metrics

Visualize Query Metrics Visualize Performance Metrics Visualize Network Metrics

Monitor ClickHouse Queries Analyze ClickHouse Query Details Create Custom Visualization

Kafka and Kafka 3

Kafka Broker Details Kafka Brokers Kafka Connect Kafka Consumers Kafka Cruise Control Kafka Topic Details Kafka Topics Kafka Offline Partitions Kafka MirrorMaker Kafka Custom Alerts

Monitor the Airflow Logs and Service details Monitor the Airflow with Alerts Airflow Dashboard Airflow DagRuns

Bundle Jobs Coordinator Jobs Workflow Jobs

Monitor MLflow Health and Logs Monitor MLflow with Pulse Alerts

Monitor JupyterHub Health and Logs Monitor JupyterHub with Pulse Alerts Visualize JupyterHub Metrics

Ozone or Ozone2

Ozone Dashboard Ozone Volumes

Kudu Dashboard Monitor Kudu with Pulse Alerts

Druid

HBase Proctor HBase Regions HBase Services HBase Snapshot HBase Region Server Details HBase Table Details HBase Tables Configure HBase Snapshot Data Collection

MemSQL Workloads Explain Plan MemSQL Tables MemSQL Pipelines

Broker Dashboard Controller Dashboard Server Dashboard Monitor Pinot with Pulse Alerts

NiFi JVM NiFi Process Groups NiFi Process Groups Details NiFi Flow Files NiFi Registry

Schema Registry

Ranger Dashboard Ranger KMS Dashboard Monitor Ranger with Pulse Alerts

Monitor Flink Health and Logs Monitor Flink with Pulse Alerts Visualize Flink Application Metrics Monitor Flink Applications

Monitor Flink Application Details

Analyze Flink Job Details

Monitor Pulse Health with Audit

Monitor Agent Statistics Track Pulse Statistics

Search and Analyze Records

Sample Queries for Filtering Records

Anomaly Detection and Forecasting

Deploy Anomaly Detection Add-on Service Anomaly Detection in Charts Configure Anomaly Detection Model Training

Collect Service Profiling Data

Deploy the Service Profiler Add-on Service Create a Service Profile JFR Profiles File Retention Policy

Dashboard Visualization Using Variables Reports

Visualize Canary Test Performance Metrics

Visualize HDFS Performance Metrics Visualize Hive Performance Metrics Visualize Impala Performance Metrics

Manage Predefined Dashboards Configure Dashplot Variables

Monitor Databases

Databases Table Details Hive File Analytics

Pulse Sense (Beta) Find and Understand Metrics

Deploy Metric Search Add-on Service

Monitor Kubernetes Clusters

Kubernetes Cluster Overview Namespace

Download Records

Manage Alerts and Actions

Create and Manage Alerts

Alerts Overview Maintenance Mode for Alerts Creating Alerts Incidents Stock and Predefined Alerts Create Forecasting Alert

Manage and Configure Actions

Deploy the Actions Add-on Service Create an Action Plan Configure Hosts Configure Notifications Schedule Action Plan Set Timeout Value

Set up and Manage Canary Tests

Enable Canary Test Actions Perform HDFS Canary Operations Perform Hive Canary Operations Perform Impala Canary Operations Finalize and Execute the Action Plan

Executions

Custom Playbook

Optimize Resources

Optimize Hadoop Cluster Using YARN Optimizer

Deploy Yarn Optimizer YARN Optimizer Architecture Visualize YARN Resource Metrics

Configure Optimizer Components

Configure Fingerprinting of Applications Configure YARN Metrics Agent Configure YARN Optimizer Service

Optimize K8s Cluster Using Kubernetes Optimizer (Beta)

Deploy the Kubernetes Optimizer Service

Fetch K8s Metrics in an OpenShift Cluster Fetch K8s Metrics on Vanilla Cluster

Overview About K8s Optimizer Optimization Dashboard (K8s)

Saving Potential (K8s)

Configure the Kubernetes Optimizer Calculator Configure a Webhook

Generate Reports

Generate Chargeback Report

Yarn Reports Node Label Reports HDFS Reports Ozone Reports

Generate Service Status Report Track Directory Changes with FSAnalytics Snapshot

Manage Users and Roles

User Management

Workflows

Use Case: Optimize Resources for YARN Static Queues Tech Preview: Mongo Sharded Cluster Debugging Failures Slow Queries Rogue Users & Processes Job/Query Recommendation Jobs Failing Due to JMX Port Conflict

Interface Reference Guide

Generic Functionalities Node Details Log Details Application Details Click House Query Details

Pulse › Monitor and Analyze › Troubleshooting

Last updated: Sep 27, 2026 05:21 UTC

Troubleshooting

This page describes the troubleshooting steps for HDFS.

FSImage Loading Takes More Time
Configuring FSImage Fetch for FSAnalytics in Kerberos and Non-Kerberos HDFS Web UI Environments

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