chore: stop exposing num_partitions (#3132)

config/metasrv.example.toml

@@ -64,8 +64,6 @@ provider = "raft_engine"
 # selector_type = "round_robin"
 # A Kafka topic is constructed by concatenating `topic_name_prefix` and `topic_id`.
 # topic_name_prefix = "greptimedb_wal_topic"
-# Number of partitions per topic.
-# num_partitions = 1
 # Expected number of replicas of each partition.
 # replication_factor = 1
 # Above which a topic creation operation will be cancelled.

config/standalone.example.toml

@@ -102,9 +102,8 @@ provider = "raft_engine"
 # selector_type = "round_robin"
 # The prefix of topic name.
 # topic_name_prefix = "greptimedb_wal_topic"
-# Number of partitions per topic.
-# num_partitions = 1
 # The number of replicas of each partition.
+# Warning: the replication factor must be positive and must not be greater than the number of broker endpoints.
 # replication_factor = 1
 
 # The max size of a single producer batch.

src/common/meta/src/wal.rs

@@ -97,7 +97,6 @@ mod tests {
             num_topics = 32
             selector_type = "round_robin"
             topic_name_prefix = "greptimedb_wal_topic"
-            num_partitions = 1
             replication_factor = 1
             create_topic_timeout = "30s"
             backoff_init = "500ms"