docs: add grpc max size to troubleshooting (#1767)

googleapis · Nov 4, 2016 · 881ef7c · 881ef7c
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diff --git a/docs/troubleshooting.md b/docs/troubleshooting.md
@@ -86,3 +86,8 @@ async.eachLimit(subscriptions, PARALLEL_LIMIT, deleteSubscription, function(err)
 This will only allow 10 at a time to go through, making it easier on the API to keep up with your requests.
 
 Reference Issue: [#1101](https://github.com/GoogleCloudPlatform/google-cloud-node/issues/1101)
+
+
+## gRPC received a message exceeding the max size.
+
+If you're seeing an error message saying that your gRPC request is exceeding the max size, you may need to send smaller individual requests. Request bodies should not exceed 4MB.
diff --git a/packages/bigtable/src/table.js b/packages/bigtable/src/table.js
@@ -675,7 +675,9 @@ Table.prototype.getRows = function(options, callback) {
 };
 
 /**
- * Insert or update rows in your table.
+ * Insert or update rows in your table. It should be noted that gRPC only allows
+ * you to send payloads that are less than or equal to 4MB. If you're inserting
+ * more than that you may need to send smaller individual requests.
  *
  * @param {object|object[]} entries - List of entries to be inserted.
  *     See {module:bigtable/table#mutate}.