nickva commented on issue #806: FEEDBACK ONLY: Compactor optimize emsort
URL: https://github.com/apache/couchdb/pull/806#issuecomment-329851447
 
 
   Updated couch_file:append_terms() to take `[{compression, none}]` and it 
yields some improvement in compaction times.
   
   ```
   ./compact_bench.py  -r 50 -n 1000000
   
   **************** num=1000000,revisions=50 ****************
    Updating   : 938.7s docs/s:1065 revs/s:53267 fsize:4320194765
    Compacting : 263.5s docs/s:3795 revs/s:189771 fsize:1765470407
   ```
   
   So about 40 seconds (263 vs 307)
 
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