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Add 437 clickhouse upgrade test backup - #511

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aagbsn wants to merge 23 commits into

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add_437_clickhouse_upgrade_test_backup

Draft

Add 437 clickhouse upgrade test backup#511
aagbsn wants to merge 23 commits into
mainfrom
add_437_clickhouse_upgrade_test_backup

Commits on Aug 11, 2026
- add generated upgrade test harness
  aagbsn
  committed
  5a50b69
Commits on Aug 17, 2026
- Fix ClickHouse schema divergence from ooni/backend verification
  
  aagbsn
  and
  claude
  committed
  cdc4180
- Add per-step CI workflow for the upgrade test; fix obs_web from prod truth
  
  aagbsn
  and
  claude
  committed
  bb8df48
- Verify remaining tables against live SHOW CREATE TABLE output
  
  aagbsn
  and
  claude
  committed
  d47d05c
- Here are the two commit messages, one per patch delivered above.
  
  aagbsn
  and
  claude
  committed
  785ac2d
- Recommend stopping upgrade at 25.8.29.51 for now; record audit findings
  
  aagbsn
  and
  claude
  committed
  52df4e9
- Bisect the 25.3.14.14 -> 25.8.29.51 mark-file incompatibility
  
  aagbsn
  and
  claude
  committed
  8364487
Commits on Aug 18, 2026
Commits on Aug 19, 2026
- Add zero-downtime, zero-corruption upgrade proof (harness/availability.py)
  aagbsn
  committed
  b8e4fbc
Commits on Sep 21, 2026
- add missing availability.py
  aagbsn
  committed
  7101d09
- decrease LTS upgrade hops
  aagbsn
  committed
  f9d73b6
- update documented results
  aagbsn
  committed
  b683a9f
- validate content integrity at each round of upgrades
  aagbsn
  committed
  2e17cd0
Commits on Sep 24, 2026
- skip ddl verify marker columns in integrity check
  aagbsn
  committed
  4e3eef4
- fix checksum verification over other tables
  aagbsn
  committed
  c41055f
- avoid nullable arguments to cityHash64
  aagbsn
  committed
  1583a95
- check integrity after each version upgrade
  aagbsn
  committed
  4907c94
Commits on Oct 13, 2026
- Check backups restore across the upgrade
  
  aagbsn
  and
  claude
  committed
  adf5276

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Add 437 clickhouse upgrade test backup - #511

Add 437 clickhouse upgrade test backup#511
aagbsn wants to merge 23 commits into
mainfrom
add_437_clickhouse_upgrade_test_backup

Commits on Aug 11, 2026

add generated upgrade test harness

Commits on Aug 17, 2026

Fix ClickHouse schema divergence from ooni/backend verification

Add per-step CI workflow for the upgrade test; fix obs_web from prod truth

Verify remaining tables against live SHOW CREATE TABLE output

Here are the two commit messages, one per patch delivered above.

Recommend stopping upgrade at 25.8.29.51 for now; record audit findings

Bisect the 25.3.14.14 -> 25.8.29.51 mark-file incompatibility

Commits on Aug 18, 2026

Confirm the 25.8.29.51 mark-format break via bisection, document findings

Don't abort staged-upgrade job on first node-upgrade failure within a hop

Promote production recommendation to latest LTS with a 4-hop runbook

Add real-data end-to-end upgrade scenario (ooni/data#160)

Fix NameError in load_schema_and_seed() from the apply_schema() refactor

Add real-data-upgrade job to the CI workflow

Commits on Aug 19, 2026

Add zero-downtime, zero-corruption upgrade proof (harness/availability.py)

Commits on Sep 21, 2026

add missing availability.py

decrease LTS upgrade hops

update documented results

validate content integrity at each round of upgrades

Commits on Sep 24, 2026

skip ddl verify marker columns in integrity check

fix checksum verification over other tables

avoid nullable arguments to cityHash64

check integrity after each version upgrade

Commits on Oct 13, 2026

Check backups restore across the upgrade