diff --git a/config/description.exs b/config/description.exs
index 81fefaf89..cea4401ba 100644
--- a/config/description.exs
+++ b/config/description.exs
@@ -3508,6 +3508,14 @@
         description:
           "Private key for meilisearch authentication, or `nil` to disable private key authentication.",
         suggestion: [nil]
+      },
+      %{
+        key: :initial_indexing_chunk_size,
+        type: :int,
+        description:
+          "Amount of posts in a batch when running the initial indexing operation. Should probably not be more than 100000" <>
+            " since there's a limit on maximum insert size",
+        suggestion: [100_000]
       }
     ]
   }
diff --git a/docs/configuration/search.md b/docs/configuration/search.md
index 7dbbd3e17..a785a18ad 100644
--- a/docs/configuration/search.md
+++ b/docs/configuration/search.md
@@ -25,11 +25,15 @@ To use [meilisearch](https://www.meilisearch.com/), set the search module to `Pl
 
 > config :pleroma, Pleroma.Search, module: Pleroma.Search.Meilisearch
 
-You then need to set the address of the meilisearch instance, and optionally the private key for authentication.
+You then need to set the address of the meilisearch instance, and optionally the private key for authentication. You might
+also want to change the `initial_indexing_chunk_size` to be smaller if you're server is not very powerful, but not higher than `100_000`,
+because meilisearch will refuse to process it if it's too big. However, in general you want this to be as big as possible, because meilisearch
+indexes faster when it can process many posts in a single batch.
 
 > config :pleroma, Pleroma.Search.Meilisearch,
 >    url: "http://127.0.0.1:7700/",
->    private_key: "private key"
+>    private_key: "private key",
+>    initial_indexing_chunk_size: 100_000
 
 Information about setting up meilisearch can be found in the
 [official documentation](https://docs.meilisearch.com/learn/getting_started/installation.html).