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Posted to notifications@accumulo.apache.org by GitBox <gi...@apache.org> on 2017/12/04 15:56:14 UTC

[GitHub] mikewalch commented on a change in pull request #44: ACCUMULO-4750 Created caching documentation

mikewalch commented on a change in pull request #44: ACCUMULO-4750 Created caching documentation
URL: https://github.com/apache/accumulo-website/pull/44#discussion_r154688964
 
 

 ##########
 File path: _docs-2-0/administration/caching.md
 ##########
 @@ -0,0 +1,46 @@
+---
+title: Caching
+category: administration
+order: 11
+---
+
+Accumulo tablet servers have a **block cache** that buffers data in memory to limit reads from disk.
+This caching has the following benefits:
+
+* reduces latency when reading data
+* helps alleviate hotspots in tables
+
+The block cache stores index and data blocks. A typical Accumulo read will perfrom a binary search
 
 Review comment:
   Fixed in 4c22f3edc2b6

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