各位大神，初学clickhouse遇到一个问题，搭建3个节点的clickhouse集群，设置的是3个分片，3个副本。 建立了local表是megertree引擎，同时建立了一个distribute表，关联local表。 往一个节点的local表中插入数据，但是从distributed表中读出3条数据。这个是怎么回事呢？哪位大神能帮忙解答一下吗？
配置如下：
<yandex>
<clickhouse_remote_servers>
<perftest_3shards_1replicas>
<shard>
<internal_replication>true</internal_replication>
<replica>
<host>IP1</host>
<port>9000</port>
</replica>
<replica>
<host>IP2</host>
<port>9000</port>
</replica>
<replica>
<host>IP3</host>
<port>9000</port>
</replica>
</shard>
<shard>
<internal_replication>true</internal_replication>
<replica>
<host>IP1</host>
<port>9000</port>
</replica>
<replica>
<host>IP2</host>
<port>9000</port>
</replica>
<replica>
<host>IP3<host>
<port>9000</port>
</replica>
</shard>
<shard>
<internal_replication>true</internal_replication>
<replica>
<host>IP1</host>
<port>9000</port>
</replica>
<replica>
<host>IP2</host>
<port>9000</port>
</replica>
<replica>
<host>IP3</host>
<port>9000</port>
</replica>
</shard>
</perftest_3shards_1replicas>
</clickhouse_remote_servers>
<zookeeper-servers> <node index=“1”> <host>IP1</host> <port>2181</port> </node>
<node index=“2”> <host>IP2</host> <port>2181</port> </node>
<node index=“3”> <host>IP3</host> <port>2181</port> </node>
</zookeeper-servers>
<macros> <shard>01</shard><replica>01</replica> </macros>
<networks> <ip>::/0</ip> </networks>
<clickhouse_compression>
<case>
<min_part_size>10000000000</min_part_size>
<min_part_size_ratio>0.01</min_part_size_ratio>
<method>lz4</method>
</case>
</clickhouse_compression>
</yandex>
<!--shard part-->
<!–数据分片1–> <shard> <internal_replication>true</internal_replication> <replica> <host>IP1</host> <port>9000</port> </replica> <replica> <host>IP2</host> <port>9000</port> </replica> <replica> <host>IP3</host> <port>9000</port> </replica> </shard> <!–数据分片2–> <shard> <internal_replication>true</internal_replication> <replica> <host>IP4</host> <port>9000</port> </replica> <replica> <host>IP5</host> <port>9000</port> </replica> <replica> <host>IP6</host> <port>9000</port> </replica> </shard> <!–数据分片3–> <shard> <internal_replication>true</internal_replication> <replica> <host>IP7</host> <port>9000</port> </replica> <replica> <host>IP8</host> <port>9000</port> </replica> <replica> <host>IP9</host> <port>9000</port> </replica> </shard>