[GitHub] lucene-solr issue #513: LUCENE-8590: Optimize DocValues update datastructure...

2018-12-05 Thread shaie
Github user shaie commented on the issue:

https://github.com/apache/lucene-solr/pull/513
  
> Wow, that's a massive reduction!

Indeed! Well done @s1monw!


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[GitHub] lucene-solr issue #513: LUCENE-8590: Optimize DocValues update datastructure...

2018-12-05 Thread mikemccand
Github user mikemccand commented on the issue:

https://github.com/apache/lucene-solr/pull/513
  
Wow, that's a massive reduction!


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[GitHub] lucene-solr issue #513: LUCENE-8590: Optimize DocValues update datastructure...

2018-12-05 Thread s1monw
Github user s1monw commented on the issue:

https://github.com/apache/lucene-solr/pull/513
  
>  Any sense of how much of RAM reduction this is over current impl?
I ran a very simple measurement on top of `BufferedUpdates` adding 10k 
random updates with a constant seed. Here are the results:

Setup | master | patch | Percentage
 | - |  | -
RamBytesUsed Numeric/SameField/RandomValue/SameDocUpTo |  2783514 bytes | 
549930 bytes | 19%
RamBytesUsed Numeric/SameField/RandomValue/RandomDocUpTo | 2783514 bytes | 
593294 bytes | 21%
RamBytesUsed Numeric/SameField/SameValue | 2783514 bytes | 469546 bytes | 
16%
RamBytesUsed Numeric/SameField/SameValue/RandomDocUpTo| 2783514 bytes | 
512910 bytes | 18%



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[GitHub] lucene-solr issue #513: LUCENE-8590: Optimize DocValues update datastructure...

2018-12-04 Thread s1monw
Github user s1monw commented on the issue:

https://github.com/apache/lucene-solr/pull/513
  
@mikemccand can you take a look?


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