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DataStax Enterprise OpsCenter 6.8

    • About OpsCenter
      • New features
      • Key features
      • Labs features
        • Exporting and importing dashboard presets
        • Adding a Swift CLI backup location
        • Configuring named route linking
        • Viewing logs from node details
      • Architecture overview
      • OpsCenter policy for DDAC and OSS
      • Feedback about OpsCenter
    • Release notes
    • Installing OpsCenter
    • Upgrading OpsCenter
    • OpsCenter recommended settings
      • OpsCenter basic configurations
      • Cluster synchronization settings
      • Backup Service settings
      • Knowledge Base articles
    • Configuring OpsCenter
      • OpsCenter Security
        • OpsCenter SSL overview
          • Enabling/Disabling HTTPS for the OpsCenter server
          • Configuring SSL/TLS between OpsCenter and the DataStax Agents
          • Connect to DSE with client-to-node encryption in OpsCenter and the DataStax Agents
          • Editing/OpsCenter cluster connections for authentication or encryption
          • SSL configuration options for OpsCenter
        • Configuring OpsCenter role-based security
        • Encrypting sensitive configuration values
          • Activating configuration encryption
          • Creating a system key to encrypt sensitive configuration values
          • Manually encrypting a configuration value
          • Deactivating configuration encryption
        • Authenticating with LDAP
          • Configuring LDAP
          • Adding a role for an LDAP user
          • Troubleshooting OpsCenter LDAP
        • Kerberos authentication
          • Configuring OpsCenter for Kerberos authentication
          • OpsCenter Kerberos configuration options
          • Troubleshooting Kerberos in OpsCenter
        • Configuring security logging
      • Configuring alerts for events
        • SNMP alerts overview
          • Enabling SNMP alerts
        • Enabling SMTP email alerts
        • Enabling alerts posted to a URL
          • Verifying that events are posting correctly
          • Posting URL alerts to a Slack channel
      • Configuring data collection and expiration
        • Controlling data collection
        • Storing collection data on a separate cluster
      • OpsCenter DSE definitions files updates
        • Updating and configuring definitions files properties
      • Automatic failover overview
        • Enabling automatic failover
        • Failover configuration options reference
      • Backing up critical configuration data
      • Configuring named route linking
      • Configuring the OpsCenter JVM
      • Configuring the DataStax Agent JVM
        • Setting and securing the tmp directory for the DataStax Agent
        • Encrypting JMX communications
      • Changing the replication strategy for the OpsCenter keyspace
      • Configuration files for OpsCenter
        • OpsCenter configuration properties
          • Statistics reporter properties
        • Cluster configuration properties
          • Cassandra connection properties
          • Metrics Collection Properties
        • DataStax Agent configuration
        • OpsCenter logback.xml configuration
      • Customize scripts for starting and stopping DataStax Enterprise
      • Example configuration scenarios
        • Configuring for multiple regions
        • Configuring for very large clusters
    • Using OpsCenter
      • OpsCenter workspace overview
        • Ring View
        • List View
        • DataStax Agents Status View
        • Nodes Detail View
          • Node management operations
      • Configuring alerts
        • Adding an alert for agent issues
          • Troubleshooting DataStax Agent Issues
        • Adding an alert for down nodes
        • Configuring an alert for KMIP errors
        • Configuring an alert for percentage of in-memory usage
        • Configuring an alert for percentiles
      • Monitoring node operations
        • Viewing the Spark Console
        • Monitoring in-memory usage
        • Viewing logs from node details
      • Managing and maintaining nodes
        • Running cleanup
        • Performing garbage collection
        • Running compaction
        • Flushing tables
        • Decommission a node
        • Draining a node
        • Moving a node
        • Running a manual repair
        • Configure an alias for a node
      • Starting and stopping DSE
        • Starting DSE on a node
        • Stopping DSE on a node
        • Restarting DSE on a node
      • Managing keyspaces and tables
        • Keyspaces
          • Managing a keyspace
          • Managing tables
        • Browsing data deprecated
      • Cluster administration
        • Adding an existing cluster
        • Disconnecting a cluster from OpsCenter and Lifecycle Manager
        • Rebalancing a cluster overview
          • Rebalancing a cluster
          • Configuring an alert for rebalancing a cluster
        • Restarting a cluster
        • Changing the display name of a cluster
        • Downloading diagnostic data
          • Diagnostic tarball reference
          • Creating an alternate directory for diagnostic information
        • Downloading Insights diagnostic data
        • Generating a cluster report
      • OpsCenter Metrics Tooltips Reference
        • Dashboard performance metrics
        • Performance metrics overview
          • Working with metrics performance graphs
          • Organizing performance metrics presets
          • Exporting and importing dashboard presets
        • Cluster performance metrics
        • Pending task metrics
          • Pending task metrics for writes
          • Pending task metrics for reads
          • Pending task metrics for cluster operations
        • Table performance metrics
        • Tiered storage performance metrics
          • Configuring tiered storage metric graphs
          • Configuring tiered storage alerts
        • Message latency metrics
          • Adding dashboard graphs for datacenter and node messaging latency
          • Adding alerts for DC and node message latency
        • Search performance metrics
        • Graph metrics
        • NodeSync metrics
        • Thread Pool (TP) metrics
          • Viewing TP stats in Node Details
          • Enabling network backpressure
        • Dropped Messages metrics
        • Operating system performance metrics
        • Alert metrics
          • Advanced system alert metrics
    • OpsCenter 6.8 Reference
      • OpsCenter ports reference
      • Installation and configuration locations
        • Default file locations for package installations
        • Default file locations tarball installations
      • Starting, stopping, and restarting OpsCenter
        • Startup log for OpsCenter
      • Stopping, starting, and restarting DataStax Agents
    • DSE Management Services
      • Backup Service
        • Quick Video Tour: Backup Service
        • Adding a backup location
          • Adding a local file system backup location
          • Adding an Amazon S3 backup location
          • Adding an Azure backup location
        • Backing up data
          • Backing up a cluster
          • Backing up to Amazon S3
          • Backing up and restoring DataStax Graphs in OpsCenter
          • Viewing backup and restore history
          • Synchronizing backup data after an upgrade
          • Deleting backup data
        • Restoring a cluster
          • Restoring from a backup
          • Restoring a backup to a specific point-in-time
          • Monitoring sufficient disk space for restoring backups
        • Cloning cluster data
          • Cloning cluster data from a defined other location
          • Cloning cluster data from clusters managed by the same OpsCenter instance
        • Configuring the Backup Service
          • Configuring commit log backups
          • Configuring the free disk space threshold for backups
          • Configuring encryption key storage for backups
          • Configuring custom scripts to run before and after backups
          • Configuring restore to continue after a download failure
          • Backup Service configuration options
        • Troubleshooting Backup Service errors
      • NodeSync Service
        • Enabling NodeSync
        • Configuring the NodeSync refresh data interval
        • Viewing NodeSync Status
        • Configuring the NodeSync rate using LCM
        • NodeSync metrics
      • Repair Service
        • Repair Service overview
          • Subrange repairs overview
          • Distributed subrange overview
          • Incremental repairs overview
          • Repair Service behavior during environment changes
          • Estimating remaining repair time
        • Turning the Repair Service on
        • Turning the Repair Service off
        • Viewing repair status
        • Basic repair configuration
          • Configuring incremental repairs
          • Excluding keyspaces or tables from subrange repairs
          • Enabling distributed subrange repairs
          • Logging for the Repair Service
          • Basic Repair Service configuration reference
        • Advanced repair configuration
          • Adjusting or disabling the throttle for subrange repairs
          • Running validation compaction sequentially
          • Advanced Repair Service configuration reference
        • Expert repair configuration
          • Setting the maximum for parallel subrange repairs
          • Expert Repair Service configuration reference
          • Tuning Repair Service for multi-datacenter environments
        • Expedited Repair Service configuration
        • Troubleshoot Repair Service errors
        • Learn more about repairs
      • Capacity Service
        • Forecasting trends for metric graphs
        • Advanced forecast configuration
      • Best Practice Service
        • Configuring Best Practice service rules
        • Monitoring the results of Best Practice service scans
        • Best Practice Rules Reference
      • Performance Service
        • Performance Service Overview
        • Why use the OpsCenter Performance Service?
        • Enabling the OpsCenter Performance Service
        • Disabling the OpsCenter Performance Service
        • Setting permissions for the OpsCenter Performance Service
        • Tuning a database cluster with the Performance Service
          • Identifying and tuning slow queries
    • Identifying poorly performing tables
    • Monitoring node thread pool statistics
    • Troubleshooting OpsCenter
    • Lifecycle Manager
      • Overview of Lifecycle Manager
        • Supported capabilities
        • Defining the topology
        • Using configuration profiles
        • Defining repositories
        • Running jobs in LCM
          • Job types in LCM
          • Job concurrency in LCM
        • Monitoring job status
      • Installing DSE using LCM
        • Accessing OpsCenter Lifecycle Manager
        • Creating custom data directories
        • Adding SSH credentials
        • Adding a configuration profile
        • Adding a repository
        • Defining the cluster topology
          • Adding a cluster
          • Adding a datacenter
          • Adding a node
        • Running an installation job
        • Viewing job details
        • Using LCM in an offline environment
          • Required software for offline DSE installs
          • Downloading DSE in an offline environments
      • Managing SSH credentials
        • Adding SSH credentials
        • Editing SSH credentials
        • Deleting SSH credentials
        • Configuring SSH connection thresholds for LCM jobs
      • Managing configuration profiles
        • Adding a configuration profile
        • Editing a configuration profile
        • Customizing configuration profile files
        • Cloning a configuration profile
        • Deleting a configuration profile
        • Configuring an HTTP or HTTPS proxy
      • Configuring repositories
        • Adding a repository
        • Editing a repository
        • Deleting a repository
      • Defining DSE topologies
        • Managing cluster topologies
          • Adding a cluster
          • Editing a cluster
          • Deleting a cluster
          • Importing a cluster topology
        • Managing datacenter topologies
          • Adding a datacenter
          • Editing a datacenter
          • Deleting a datacenter
        • Managing node topologies
          • Adding a node
          • Editing a node
          • Deleting a node
      • Running LCM jobs
        • Running an installation job
        • Running an configure job
        • Running an upgrade job
          • Example: Upgrading DSE to a minor release using LCM
        • Aborting a job
        • Adjusting idle timeout
      • Configuring Java options
        • Choosing a Java vendor in LCM
        • Managing Java installs
        • Configuring JVM options for DSE using LCM
      • Configuring DSE security using LCM
        • Native transport authentication schemes and limitations in LCM
          • Configuring row-level access control
        • Configuring SSL/TLS for DSE
        • Configuring a JMX Connection to DSE
      • Lifecycle Manager configuration options
      • Configuration known issues and limitations
      • Using advanced configurations with LCM
        • Exporting metrics collection
        • Configuring AlwaysOn SQL
        • Configuring DSE Graph
        • Configuring the NodeSync rate
        • Configuring tiered storage
    • OpsCenter API reference for developers
      • Enable and access the Datastax Agent API
      • Authentication
      • OpsCenter configuration
      • Retrieving cluster and node information
      • Performing Cluster Operations
      • Managing Keyspaces and Tables
      • Retrieving Metric Data
      • Managing Events and Alerts
      • Schedule management
      • Backup Management and Restoring from Backups
      • Best Practice Rules
      • Hadoop
      • Spark
      • Managing Performance Service Configuration
      • User Interface
      • Agent Install and Status
      • Cluster Lifecycle Management
      • DataStax Agent API example curl commands
  • DataStax Enterprise OpsCenter 6.8
  • Troubleshooting OpsCenter

Troubleshooting OpsCenter

Issues experienced with DataStax OpsCenter, including suggested solutions or workarounds.

See troubleshooting OpsCenter.

Monitoring node thread pool statistics Lifecycle Manager

General Inquiries: +1 (650) 389-6000 info@datastax.com

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