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Merge pull request #61554 from ClickHouse/fix_wait_for_mutation_done
Wait for done mutation with more logs and asserts
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commit
d4063e378e
@ -604,7 +604,12 @@ void StorageReplicatedMergeTree::waitMutationToFinishOnReplicas(
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break;
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}
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/// Here we check mutation for errors on local replica. If they happen on this replica
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/// they will happen on each replica, so we can check only in-memory info.
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auto mutation_status = queue.getIncompleteMutationsStatus(mutation_id);
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String mutation_pointer = fs::path(zookeeper_path) / "replicas" / replica / "mutation_pointer";
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std::string mutation_pointer_value;
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/// Replica could be removed
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if (!zookeeper->tryGet(mutation_pointer, mutation_pointer_value, nullptr, wait_event))
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@ -613,18 +618,31 @@ void StorageReplicatedMergeTree::waitMutationToFinishOnReplicas(
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break;
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}
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else if (mutation_pointer_value >= mutation_id) /// Maybe we already processed more fresh mutation
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break; /// (numbers like 0000000000 and 0000000001)
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{
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bool mutation_killed_or_done_locally = !mutation_status || mutation_status->is_done;
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if (mutation_killed_or_done_locally)
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{
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LOG_TRACE(log, "Mutation {} is done because mutation pointer is {}", mutation_id, mutation_pointer_value);
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break; /// (numbers like 0000000000 and 0000000001)
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}
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else
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{
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LOG_TRACE(log, "Mutation {} is done because mutation pointer is {}, but state is not updated in memory, will wait", mutation_id, mutation_pointer_value);
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}
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}
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/// Replica can become inactive, so wait with timeout and recheck it
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if (wait_event->tryWait(1000))
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continue;
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/// Here we check mutation for errors on local replica. If they happen on this replica
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/// they will happen on each replica, so we can check only in-memory info.
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auto mutation_status = queue.getIncompleteMutationsStatus(mutation_id);
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/// If mutation status is empty, than local replica may just not loaded it into memory.
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if (mutation_status && !mutation_status->latest_fail_reason.empty())
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{
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LOG_DEBUG(log, "Mutation {} is done {} or failed {} (status: '{}')", mutation_id, mutation_status->is_done, !mutation_status->latest_fail_reason.empty(), mutation_status->latest_fail_reason);
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break;
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}
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/// Replica can become inactive, so wait with timeout, if nothing happened -> recheck it
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if (!wait_event->tryWait(1000))
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{
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LOG_TRACE(log, "Failed to wait for mutation '{}', will recheck", mutation_id);
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}
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}
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/// This replica inactive, don't check anything
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@ -655,6 +673,8 @@ void StorageReplicatedMergeTree::waitMutationToFinishOnReplicas(
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/// they will happen on each replica, so we can check only in-memory info.
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auto mutation_status = queue.getIncompleteMutationsStatus(mutation_id, &mutation_ids);
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checkMutationStatus(mutation_status, mutation_ids);
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/// Mutation should be done or we should throw exception
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chassert(mutation_status->is_done);
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}
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if (!inactive_replicas.empty())
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