tsreaper opened a new pull request, #224:
URL: https://github.com/apache/flink-table-store/pull/224

   Currently `FileStoreCommitImpl` only checks for conflicts by checking the 
files we're going to delete (due to compaction) are still there.
   
   However, consider two jobs committing into the same LSM tree at the same 
time. For their first compaction no conflict is detected because they'll only 
delete their own level 0 files. But they will both produce level 1 files and 
the key ranges of these files may overlap. This is not correct for our LSM tree 
structure.
   
   This PR fixes this issue.


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