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  • Reference
  • Elastic fundamentals
  • Solutions and use cases
  • Manage data
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  • Troubleshoot
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  • Elasticsearch
    • Clusters
      • Common cluster issues
        • Watermark errors
        • Circuit breaker errors
        • High CPU usage
        • High JVM memory pressure
        • Red or yellow health status
        • Rejected requests
        • Task queue backlog
        • Mapping explosion
        • Hot spotting
      • Unstable clusters
      • Unbalanced clusters
      • Remote clusters
      • Unassigned shards
      • Shard capacity issues