[GitHub] [incubator-doris] zuochunwei commented on pull request #7558: [refactor](olap) prefer to malloc for _variable_buf once rather than malloc repeatedly

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zuochunwei commented on pull request #7558:
URL: https://github.com/apache/incubator-doris/pull/7558#issuecomment-1006446911


   > I have another question,Is using a continuous memory to store some strings 
`cpu-cache-friendly`? In current implementation, strings is kept in memory 
divided.
   
   reply the buf's size,  level1 cache size may 32/64k，this size may big 
enought 


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