Re: [Tarantool-patches] [PATCH v27 3/3] test: add gh-6036-qsync-order test

[Serge Petrenko via Tarantool-patches <tarantool-patches@dev.tarantool.org>]

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>Четверг, 30 декабря 2021, 23:24 +03:00 от Cyrill Gorcunov < gorcunov@gmail.com >:
> 
>To test that promotion requests are handled only when appropriate
>write to WAL completes, because we update memory data before the
>write finishes.
>
>Note that without the patch "qsync: order access to the limbo terms"
>this test fires the assertion
> 
>> tarantool: src/box/txn_limbo.c:481: txn_limbo_read_rollback: Assertion `e->txn->signature >= 0' failed.
>Part-of #6036
>
>Signed-off-by: Cyrill Gorcunov < gorcunov@gmail.com >
 
The test looks good to me. But it flaky fails on my pc like this:
 
No output during 51 seconds. Will abort after 120 seconds without output. List of workers not reporting the status:
- 001_replication [replication/gh-6036-qsync-order.test.lua, None] at var/001_replication/gh-6036-qsync-order.result:0
[001] replication/gh-6036-qsync-order.test.lua                        [ fail ]
[001]
[001] Test failed! Result content mismatch:
[001] --- replication/gh-6036-qsync-order.result Mon Jan 10 14:10:07 2022
[001] +++ var/rejects/replication/gh-6036-qsync-order.reject Mon Jan 10 17:15:49 2022
[001] @@ -31,13 +31,16 @@
[001]   | ...
[001]  s = box.schema.create_space('test', {is_sync = true})
[001]   | ---
[001] + | - error: Can't modify data on a read-only instance - synchro queue with term 2 belongs
[001] + |     to 1 (1aab3988-56f6-434f-bf38-15174b9664a7)
[001]   | …
 
 
 
Besides, you’ll have to rewrite it in luatest, unfortunately.
 

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