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TelegramTwitterMediaBot/crates/xmedia-bot
YoursFunny 0087bd01ac fix(queue): heartbeat the lease so long tasks are not re-processed
The lease was set once to now + LOCK_TTL_SECONDS (120 s) with no
renewal. Tasks that legitimately take longer — slow CDN downloads,
ugoira encodes, rate-limited batch forwards (a 100-message channel copy
waits ~4 min on the per-chat token bucket) — had their lease expire
mid-run; the 30 s expiry sweep flipped the row back to pending and
another worker processed it again, double-sending.

run_with_lease now drives the handler through tokio::select! and
refreshes locked_until every 30 s while it runs. The heartbeat lives in
the same future as the handler, so a panicking worker still lets the
sweep recover the row (no leaked task keeping the lease fresh forever).
2026-08-16 17:00:38 +08:00
..
2026-08-15 15:49:40 +08:00