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Posted to notifications@couchdb.apache.org by GitBox <gi...@apache.org> on 2020/02/18 00:07:10 UTC

[GitHub] [couchdb] nickva commented on issue #2562: Re-use changes feed main transaction when including docs

nickva commented on issue #2562: Re-use changes feed main transaction when including docs
URL: https://github.com/apache/couchdb/pull/2562#issuecomment-587209856
 
 
   Benchmarking this vs prototype/fdb-layer get about a 2x speed up on macos with a single fdbserver with 1 million docs:
   
   prototype/fdb-layer
   ``` 
   $ time http $DB/deebee/_changes?include_docs=true > changes_1m_incude_docs.json_2.json
   
   real	7m58.086s
   user	0m4.157s
   sys	0m2.404s
   ```
   
   This PR:
   ```
   $ time http $DB/deebee/_changes?include_docs=true > changes_1m_incude_docs.json_3.json
   
   real	4m54.697s
   user	0m3.687s
   sys	0m2.200s
   ```
   

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