Tag Archives: metrics

Assessment of Apache Impala Performance using Cloudera Manager Metrics – Part 1 of 3

Categories: CDH Cloudera Manager Impala Performance

For a user-facing system like Apache Impala, bad performance and downtime can have serious negative impacts on your business. Given the complexity of the system and all the moving parts, troubleshooting can be time-consuming and overwhelming.

In this blog post series, we are going to show how the charts and metrics on Cloudera Manager (CM) can help troubleshoot Impala performance issues. They can also help to monitor the system to predict and prevent future outages.

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Quicker Insight into Apache Solr and Collection Health

Categories: CDH Cloudera Manager How-to Search

Successful cluster administration can be very difficult without a real-time view of the state of the cluster. Solr itself does not provide aggregated views about its state or any historical usage data, which is necessary to understand how the service is used and how it is performing. Knowing the throughput and capacities not only helps detect errors and troubleshoot issues, but is also useful for capacity planning.

Questions may arise, such as:

  • What is the size of my cluster and each collection?

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