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The Top 5 Redis Performance Metrics

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Redis is an in-memory, persistent, key-value store that supports more than strings.  MongoDB doesn't have in-memory and key-value attributes while Memcached doesn't have persistence or support for more than strings.  Redis, by contrast, doesn't have support for larger-than-memory datasets and it's not multithreaded.  

This is illustrated in a new document outlining the top 5 performance metrics you should look out for if you decide to use Redis, which is a pretty hot data store right now.  

Understanding the Top 5 Redis Performance Metrics [PDF] 


The top 5 metrics, which are explained in more detail if you click the PDF link (no registration), include:

  1. Memory usage: used_memory
  2. Number of commands processed: total_commands_processed
  3. Latency
  4. Fragmentation Ratio
  5. Evictions


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