[fix] Exchange data cleanup improvement#698
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gaoran10 wants to merge 5 commits intostreamnative:masterfrom
Open
[fix] Exchange data cleanup improvement#698gaoran10 wants to merge 5 commits intostreamnative:masterfrom
gaoran10 wants to merge 5 commits intostreamnative:masterfrom
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GhostBoyBoy
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Oct 12, 2022
| queueName, position.getLedgerId(), position.getEntryId())); | ||
| } | ||
| } | ||
| FutureUtil.waitForAll(futures).thenRun(this::scheduleExchangeClearTask); |
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When (router.getExchange().markDeleteAsync) throws an exception, the task will stop. Replace (thenRun) with (whenComplete)
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Good catch!
Fixed, please take a look again, thanks.
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Motivation
The PR #619 changed the queue cursor to be durable, this will cause the exchange topic can't be cleaned up completely because one queue only handles part of the exchange data, and only these index positions could be acknowledged.
At checkpoint1, get the route mark delete position of exchange1 and exchange2, then get the last confirm position of the queue. The exchange1 route mark delete pos is 1:2, the exchange2 mark delete pos is 2:2, and the LAC of the queue may be equal with 3:2 or greater than 3:2 (because the routing message process is still running), when the mark delete pos of the queue reach the LAC at checkpoint1, it indicates that the index message 3:0, 3:1 and 3:2 were all acked, so we can ack the exchange1 with pos 1:2, and ack the exchange2 with pos 2:2.
Modifications
Add exchange data cleanup scheduled task for each queue.
Remove useless unAckMessages in
AmqpConsumer.Verifying this change
Add verification to make sure exchange data could be cleaned up completely.
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