Vamsi-klu commented on PR #19400:
URL: https://github.com/apache/pinot/pull/19400#issuecomment-5651242315
@Jackie-Jiang Temp path is `{segment}.tmp.{instanceId}` as in the Sep 1
note. Still temp-then-rename, not final-key upload. `isTmpFile` still accepts
leftover UUID temps. Removed the exists/delete before `copyFromLocalFile` so a
timed-out first Future cannot wipe a key a retry already started writing.
Same-server timed-out writer vs retry remains last-writer-wins on that key.
Happy to switch to final-key upload if you want that race closed.
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