[jira] [Resolved] (LUCENE-9917) Reduce block size for BEST_SPEED

["Adrien Grand (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-9917?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrien Grand resolved LUCENE-9917.
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    Fix Version/s: 8.10
       Resolution: Fixed

> Reduce block size for BEST_SPEED
> --------------------------------
>
>                 Key: LUCENE-9917
>                 URL: https://issues.apache.org/jira/browse/LUCENE-9917
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Priority: Minor
>             Fix For: 8.10
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> As benchmarks suggested major savings and minor slowdowns with larger block sizes, I had increased them on LUCENE-9486. However it looks like this slowdown is still problematic for some users, so I plan to go back to a smaller block size, something like 10*16kB to get closer to the amount of data we had to decompress per document when we had 16kB blocks without shared dictionaries.



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