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Fix removing is_active node after re-creation #61105

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merged 5 commits into from Mar 21, 2024
Merged

Fix removing is_active node after re-creation #61105

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e231747
fix removing is_active node after re-creation
tavplubix Mar 8, 2024
babe000
Automatic style fix
robot-clickhouse Mar 8, 2024
92dea86
Merge branch 'master' into fix_rdb_active
tavplubix Mar 8, 2024
02d5c46
Merge branch 'master' into fix_rdb_active
tavplubix Mar 19, 2024
f44127c
fix
tavplubix Mar 20, 2024
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2 changes: 2 additions & 0 deletions src/Databases/DatabaseReplicatedWorker.cpp
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Expand Up @@ -75,6 +75,8 @@ void DatabaseReplicatedDDLWorker::initializeReplication()
String active_path = fs::path(database->replica_path) / "active";
String active_id = toString(ServerUUID::get());
zookeeper->deleteEphemeralNodeIfContentMatches(active_path, active_id);
if (active_node_holder)
active_node_holder->setAlreadyRemoved();
zookeeper->create(active_path, active_id, zkutil::CreateMode::Ephemeral);
active_node_holder.reset();
active_node_holder_zookeeper = zookeeper;
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4 changes: 4 additions & 0 deletions tests/integration/test_replicated_database/test.py
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Expand Up @@ -1141,6 +1141,10 @@ def test_sync_replica(started_cluster):

dummy_node.query("SYSTEM SYNC DATABASE REPLICA test_sync_database")

assert "2\n" == main_node.query(
"SELECT sum(is_active) FROM system.clusters WHERE cluster='test_sync_database'"
)

assert dummy_node.query(
"SELECT count() FROM system.tables where database='test_sync_database'"
).strip() == str(number_of_tables)
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