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Posted to commits@pinot.apache.org by GitBox <gi...@apache.org> on 2022/11/28 00:18:44 UTC
[GitHub] [pinot] Jackie-Jiang opened a new issue, #9865: Automatically use var-length dictionary for STRING
Jackie-Jiang opened a new issue, #9865:
URL: https://github.com/apache/pinot/issues/9865
Currently user needs to manually configure the var-length dictionary column. Ideally Pinot can automatically decide whether to use var-length per the stats collected. We can consider reusing the config `optimizeDictionary` which currently only apply to fixed width types.
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[GitHub] [pinot] Jackie-Jiang commented on issue #9865: Automatically use var-length dictionary for STRING
Posted by GitBox <gi...@apache.org>.
Jackie-Jiang commented on issue #9865:
URL: https://github.com/apache/pinot/issues/9865#issuecomment-1329878918
Alternatively, we can consider only using fixed length dictionary when all the values have the same length, use var-length dictionary otherwise. This can avoid the padding byte scan, which can be quite costly
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[GitHub] [pinot] suddendust commented on issue #9865: Automatically use var-length dictionary for STRING
Posted by GitBox <gi...@apache.org>.
suddendust commented on issue #9865:
URL: https://github.com/apache/pinot/issues/9865#issuecomment-1345633346
I can take this up @Jackie-Jiang
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