[GitHub] [spark] yaooqinn opened a new pull request #26757: [SPARK-30121][Build][Minor] Miss default memory for sbt usage

[GitBox <gi...@apache.org>]

yaooqinn opened a new pull request #26757: [SPARK-30121][Build][Minor] Miss default memory for sbt usage
URL: https://github.com/apache/spark/pull/26757
 
 
   ### What changes were proposed in this pull request?
   ```
   build/sbt -h
   ```
   before
   ```
   -mem    <integer>  set memory options (default: , which is -Xms2048m -Xmx2048m -XX:ReservedCodeCacheSize=256m)
   ```
   after
   ```
   -mem    <integer>  set memory options (default: 2048, which is -Xms2048m -Xmx2048m -XX:ReservedCodeCacheSize=256m)
   ```
   
   
   ### Why are the changes needed?
   
   bug fix
   
   
   ### Does this PR introduce any user-facing change?
   <!--
   If yes, please clarify the previous behavior and the change this PR proposes - provide the console output, description and/or an example to show the behavior difference if possible.
   If no, write 'No'.
   -->
   no
   
   ### How was this patch tested?
   <!--
   If tests were added, say they were added here. Please make sure to add some test cases that check the changes thoroughly including negative and positive cases if possible.
   If it was tested in a way different from regular unit tests, please clarify how you tested step by step, ideally copy and paste-able, so that other reviewers can test and check, and descendants can verify in the future.
   If tests were not added, please describe why they were not added and/or why it was difficult to add.
   -->
   manually

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