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Posted to notifications@fluo.apache.org by GitBox <gi...@apache.org> on 2018/09/11 19:23:17 UTC

[GitHub] keith-turner opened a new issue #1049: Leverage ability to disable deletes in Accumulo 2.0

keith-turner opened a new issue #1049: Leverage ability to disable deletes in Accumulo 2.0
URL: https://github.com/apache/fluo/issues/1049
 
 
   Accumulo's delete processing can cause Fluo to have O(N^2) read and commit processing when a key/value has lots of versions.  To avoid this, Fluo uses reflection to remove the Accumulo delete iterator.  Performance improvements made in Accumulo 2.0 by apache/accumulo#244 break Fluo's reflection code.  The reflection code does not need to be fixed though, instead deletes can be turned off in Accumulo 2.0 using the option added in apache/accumulo#598.

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