'distributor' -> 'batcher' + slow down new ID checks

batcher.py

@@ -27,6 +27,11 @@ with open(os.path.join(DIR, "batcher_config.yaml")) as f:
 
 
 class IDBatcher:
+    """
+    Periodically gets the newest comment/post ID from reddit, compares it to the
+    last fetched one, and adds all intermediate values into a queue.
+    """
+
     def __init__(self):
         self.lock = threading.Lock()
         self.ids_queue = deque()
@@ -43,7 +48,7 @@ class IDBatcher:
 
         self.fetch_new_ids()
 
-        schedule.every(5).seconds.do(self.fetch_new_ids)
+        schedule.every(30).seconds.do(self.fetch_new_ids)
 
         thread = threading.Thread(target=self.start_scheduler)
         thread.start()

fetcher.py

@@ -126,11 +126,15 @@ class RedditClient:
 
 
 class FetcherClient:
+    """
+    Retrieves lists of IDs from the batcher, fetches them from reddit, and submits the JSON back.
+    """
+
     def __init__(self, client_id, reddit_client):
         self.client_id = client_id
         self.reddit_client = reddit_client
         self.channel = grpc.insecure_channel(
-            config["distributor_uri"],
+            config["batcher_uri"],
             options=[
                 ("grpc.max_send_message_length", 100 * 10**6),
                 ("grpc.max_receive_message_length", 1 * 10**6),

id_service.proto

@@ -10,7 +10,6 @@ service IDService {
   rpc SubmitBatch (SubmitRequest) returns (SubmitResponse) {}
 }
 
-// The BatchRequest message contains the client id.
 message BatchRequest {
   string client_id = 1;
 }