KKcorps opened a new pull request #8398: URL: https://github.com/apache/pinot/pull/8398
For high cardinality metric columns (especialy doubles/floats), dictionary may be an overhead not only for storage space but also it adds one additional hop for read. During segment generation phase, we can check if a column would require more storage for dictionary vs raw values and can choose to not create dictionary in that phase. The feature is off by default and can be enabled by setting `optimizeDictionaryEnabled` to `true`. Pending - * Support for Multi-value and var length columns -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
