docs(config-upgrade-snapshot): re-block task 8.6 on bug-1477 (HA bootstrap retry gap)

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bug-1472 (the prior blocker, worker-control replication) is fixed and
verified (7547a8f1). Rebuilding and re-running --config-upgrade on top of
that fix surfaced a new, unrelated defect: a node that takes the
skip_election fast path in myapp_run can permanently lose commit_engine_init
if its one cluster_init_phase2() attempt races config availability, since
none of ha.c's four retry call sites re-attempt for a node that never
contests an election. That member then never fires the marker-triggered
checkpoint (task 5), leaving it permanently unable to catch up past that
LSN (WAL_CHECKPOINT is local-only, non-replicated by design) -- a distinct,
permanent wedge from bug-1475's already-fixed transient race.

Root-caused via a dedicated debug pass (log/grep/git-blame evidence, logged
as bug-1477). Out of config-upgrade-snapshot's boundary -- same pattern as
bug-1471/1472/1474 -- so task 8.6 stays blocked until bug-1477 is fixed
upstream in HA bootstrap/election.

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This commit is contained in:

Rongsong Shen 2026-07-28 08:47:55 +00:00

parent b08e392eeb

commit 71223ec712

3 changed files with 37 additions and 1 deletions

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