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feat(ha-convergence-recovery): ACK-driven catch-up continuation + parity re-inclusion (task 4.2)

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Rongsong Shen 2026-06-14 05:45:20 +00:00
parent c2221077ff
commit ffd08c6472
5 changed files with 243 additions and 22 deletions
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7
src/controller/ha.c
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@ -2792,6 +2792,13 @@ static int repl_ack_decode_and_dispatch(endpoint_t *ep, vote_ep_ctx_t *vctx)
repl_on_ack(&c->persist.repl, ep, acked_lsn);
TRACE("repl_ack_decode_and_dispatch: WAL ACK from standby"
" lsn=%lu success=1", (unsigned long)acked_lsn);
/* ha-convergence-recovery task 4.2 (D6, Req 5.1/5.2/7.1):
* ACK-driven catch-up — continue streaming to a standby still
* behind target, or re-include it at parity. Shares the exact
* decision the unit test drives via ha_walack_continuation_for_test.
* Scheduling is O(1) on iomgr; all WAL file I/O runs in the
* deferred continuation task. */
ha_walack_on_ack(c, ep, vctx->peer_idx, acked_lsn);
} else if (!success) {
WARN("repl_ack_decode_and_dispatch: WAL NACK from standby"
" lsn=%lu success=0 — ignoring", (unsigned long)acked_lsn);