asmhatreandClaude Sonnet 5
3908331431
Companion code for the Flyway vs Liquibase article: checksum validation, out-of-order and repeatable migrations, baselining an existing schema, Flyway Community's undo/diff/deploy stubs, concurrent-startup locking for both tools, Liquibase changeset identity and rollback (auto-generated vs explicit), a verified Liquibase 5.0.3 filename-caching defect, the new OSS license service, the FSL license change, and running both tools against one database. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Q6XdRjtsp4862EM44T7i9a
21 lines
630 B
Plaintext
21 lines
630 B
Plaintext
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Liquibase: two instances calling update() at the same moment
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captured: 2026-09-15T07:07:26.705434740Z
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instance A update() took 874ms
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instance B update() took 10097ms
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wall-clock time for both, run concurrently: 10099ms
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-- databasechangeloglock after both finished --
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ID | LOCKED | LOCKEDBY
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---+--------+---------
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1 | false | NULL
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(1 row)
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-- databasechangelog after both finished --
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ID | AUTHOR | EXECTYPE
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--------------+--------+---------
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1-slow-change | ankurm | EXECUTED
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(1 row)
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