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fix(lua): Fix a deadlock happenning when calling a lua script (#726)

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The scenario is described in a unit test that reproduces the issue with high chance.
Also added dragonfly_test in repeat=100 mode to CI.

Signed-off-by: Roman Gershman <roman@dragonflydb.io>
This commit is contained in:
Roman Gershman 2023-01-25 10:16:52 +02:00 • committed by GitHub
parent 59bfecad69
commit 90eb1d81b7
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 34 additions and 5 deletions
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2
src/server/transaction.cc
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@ -904,7 +904,7 @@ pair<bool, bool> Transaction::ScheduleInShard(EngineShard* shard) {
// All transactions in the queue must acquire the intent lock.
lock_granted = shard->db_slice().Acquire(mode, lock_args) && shard_unlocked;
sd.local_mask |= KEYLOCK_ACQUIRED;
DVLOG(1) << "Lock granted " << lock_granted << " for trans " << DebugId();
DVLOG(2) << "Lock granted " << lock_granted << " for trans " << DebugId();
}
if (!txq->Empty()) {