Wail Y. Alkowaileet created ASTERIXDB-3250:
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             Summary: Ensure writing indexes' empty files on S3
                 Key: ASTERIXDB-3250
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-3250
             Project: Apache AsterixDB
          Issue Type: Bug
          Components: STO - Storage
    Affects Versions: 0.9.9
            Reporter: Wail Y. Alkowaileet
            Assignee: Wail Y. Alkowaileet
             Fix For: 0.9.9


When flushing empty components, empty files are not written to S3 (but written 
on local disk). When adding a new node (or removing a new node). The following 
error was observed:
{noformat}
Unequal number of trees and filters found in 
..../storage/partition_64/Test/MyDataset/0/MyDataset {noformat}
This happened as the boomfilter size was 0 bytes and not written to S3 during 
the flush operation.



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