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Ran 24 Sep 2025 01:16PM UTC

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Committed 24 Sep 2025 12:00PM UTC coverage: 73.634% (+0.02%) from 73.613%

Job # 17975943871.1

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push

github

Committed by

web-flow

Commit Message

fix: ensure block data written before db (#703)

fixes #471

The issue was that block records were being written to DB before written to
blkXX.dat files on disk, which resulted in mis-match when power is lost during a
call to ArchivalState::store_block().  Upon startup, a SIGBUS occurs when
reading the mmap'd data.

Fixes:

1. root cause: calls mmap.flush() after writing block to ensure it is written to
disk before writing matching record to DB.

2. avoid SIGBUS: verifies we do not attempt to read past end of file.
Returns error with diagnostic info if so, which gets logged.

Co-authored-by: danda <dan-da@users.noreply.github.com>

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