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Modsnaponly#6033

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markhannum wants to merge 5 commits into
bloomberg:mainfrom
markhannum:modsnaponly
Open

Modsnaponly#6033
markhannum wants to merge 5 commits into
bloomberg:mainfrom
markhannum:modsnaponly

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@markhannum

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Copy of #5803

Makes modsnap the default snapshot implementation, and removes support for 'new' snapshot. It additionally removes the requirement to list 'enable_snapshot_isolation' from the lrl file to be able to run in snapshot isolation. Includes a test which verifies that store-procedures will automatically downgrade their isolation level rather than executing in snapshot isolation. Additionally provides client-side set directive to provide session-level control over the 'use_current_lsn_for_snapshot' functionality.

riverszhang89 and others added 5 commits June 17, 2026 14:55
Signed-off-by: Rivers Zhang <hzhang320@bloomberg.net>
Signed-off-by: Mark Hannum <mhannum@bloomberg.net>
Signed-off-by: Rivers Zhang <hzhang320@bloomberg.net>
Signed-off-by: Mark Hannum <mhannum@bloomberg.net>
Signed-off-by: Mark Hannum <mhannum@bloomberg.net>
Signed-off-by: Mark Hannum <mhannum@bloomberg.net>
Signed-off-by: Mark Hannum <mhannum@bloomberg.net>

@roborivers roborivers left a comment

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Cbuild submission: Error ⚠.
Regression testing: Success ✓.

The first 10 failing tests are:
ssl_san
consumer_non_atomic_default_consumer_generated **quarantined**
consumer
tunables
ssl_set_cmd
ssl_dbname
ssl_prefer
sc_downgrade [timeout] **quarantined**

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3 participants