diff --git a/milli/src/update/index_documents/extract/extract_facet_number_docids.rs b/milli/src/update/index_documents/extract/extract_facet_number_docids.rs
index dd71c5b36..b2e5a0a4a 100644
--- a/milli/src/update/index_documents/extract/extract_facet_number_docids.rs
+++ b/milli/src/update/index_documents/extract/extract_facet_number_docids.rs
@@ -38,7 +38,7 @@ pub fn extract_facet_number_docids<R: io::Read + io::Seek>(
     );
     let mut cached_facet_number_docids_sorter =
         SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-            NonZeroUsize::new(20).unwrap(),
+            NonZeroUsize::new(500).unwrap(),
             facet_number_docids_sorter,
             b"fnd",
             super::SLED_DB.clone(),
diff --git a/milli/src/update/index_documents/extract/extract_facet_string_docids.rs b/milli/src/update/index_documents/extract/extract_facet_string_docids.rs
index 8adfd6ae0..043c3de9b 100644
--- a/milli/src/update/index_documents/extract/extract_facet_string_docids.rs
+++ b/milli/src/update/index_documents/extract/extract_facet_string_docids.rs
@@ -46,7 +46,7 @@ pub fn extract_facet_string_docids<R: io::Read + io::Seek>(
     );
     let mut cached_facet_string_docids_sorter =
         SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-            NonZeroUsize::new(200).unwrap(),
+            NonZeroUsize::new(500).unwrap(),
             facet_string_docids_sorter,
             b"fsd",
             SLED_DB.clone(),
diff --git a/milli/src/update/index_documents/extract/extract_fid_word_count_docids.rs b/milli/src/update/index_documents/extract/extract_fid_word_count_docids.rs
index 863a6ea21..768db7225 100644
--- a/milli/src/update/index_documents/extract/extract_fid_word_count_docids.rs
+++ b/milli/src/update/index_documents/extract/extract_fid_word_count_docids.rs
@@ -41,7 +41,7 @@ pub fn extract_fid_word_count_docids<R: io::Read + io::Seek>(
     );
     let mut cached_fid_word_count_docids_sorter =
         SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-            NonZeroUsize::new(300).unwrap(),
+            NonZeroUsize::new(500).unwrap(),
             fid_word_count_docids_sorter,
             b"fwc",
             super::SLED_DB.clone(),
diff --git a/milli/src/update/index_documents/extract/extract_word_docids.rs b/milli/src/update/index_documents/extract/extract_word_docids.rs
index 1e38706f2..36b04e87f 100644
--- a/milli/src/update/index_documents/extract/extract_word_docids.rs
+++ b/milli/src/update/index_documents/extract/extract_word_docids.rs
@@ -50,7 +50,7 @@ pub fn extract_word_docids<R: io::Read + io::Seek>(
         max_memory.map(|m| m / 3),
     );
     let mut cached_word_fid_docids_sorter = SorterCacheDelAddCboRoaringBitmap::<20, _>::new(
-        NonZeroUsize::new(300).unwrap(),
+        NonZeroUsize::new(500).unwrap(),
         word_fid_docids_sorter,
         b"wfd",
         SLED_DB.clone(),
@@ -111,7 +111,7 @@ pub fn extract_word_docids<R: io::Read + io::Seek>(
         max_memory.map(|m| m / 3),
     );
     let mut cached_word_docids_sorter = SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-        NonZeroUsize::new(100).unwrap(),
+        NonZeroUsize::new(500).unwrap(),
         word_docids_sorter,
         b"wdi",
         SLED_DB.clone(),
@@ -126,7 +126,7 @@ pub fn extract_word_docids<R: io::Read + io::Seek>(
         max_memory.map(|m| m / 3),
     );
     let mut cached_exact_word_docids_sorter = SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-        NonZeroUsize::new(100).unwrap(),
+        NonZeroUsize::new(500).unwrap(),
         exact_word_docids_sorter,
         b"ewd",
         SLED_DB.clone(),
diff --git a/milli/src/update/index_documents/extract/extract_word_pair_proximity_docids.rs b/milli/src/update/index_documents/extract/extract_word_pair_proximity_docids.rs
index 0af75cf70..43f377153 100644
--- a/milli/src/update/index_documents/extract/extract_word_pair_proximity_docids.rs
+++ b/milli/src/update/index_documents/extract/extract_word_pair_proximity_docids.rs
@@ -53,7 +53,7 @@ pub fn extract_word_pair_proximity_docids<R: io::Read + io::Seek>(
                 max_memory.map(|m| m / MAX_DISTANCE as usize),
             );
             SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-                NonZeroUsize::new(100).unwrap(),
+                NonZeroUsize::new(500).unwrap(),
                 sorter,
                 b"wpp",
                 super::SLED_DB.clone(),
diff --git a/milli/src/update/index_documents/extract/extract_word_position_docids.rs b/milli/src/update/index_documents/extract/extract_word_position_docids.rs
index d85df886f..679196e32 100644
--- a/milli/src/update/index_documents/extract/extract_word_position_docids.rs
+++ b/milli/src/update/index_documents/extract/extract_word_position_docids.rs
@@ -39,7 +39,7 @@ pub fn extract_word_position_docids<R: io::Read + io::Seek>(
     );
     let mut cached_word_position_docids_sorter =
         SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-            NonZeroUsize::new(300).unwrap(),
+            NonZeroUsize::new(500).unwrap(),
             word_position_docids_sorter,
             b"wpd",
             super::SLED_DB.clone(),
diff --git a/milli/src/update/word_prefix_docids.rs b/milli/src/update/word_prefix_docids.rs
index 8fa70dbcf..9fb5c8585 100644
--- a/milli/src/update/word_prefix_docids.rs
+++ b/milli/src/update/word_prefix_docids.rs
@@ -66,7 +66,7 @@ impl<'t, 'i> WordPrefixDocids<'t, 'i> {
             self.max_memory,
         );
         let mut cached_prefix_docids_sorter = SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-            NonZeroUsize::new(200).unwrap(),
+            NonZeroUsize::new(500).unwrap(),
             prefix_docids_sorter,
             b"pdi",
             SLED_DB.clone(),
diff --git a/milli/src/update/words_prefix_integer_docids.rs b/milli/src/update/words_prefix_integer_docids.rs
index 088069b45..bef95155d 100644
--- a/milli/src/update/words_prefix_integer_docids.rs
+++ b/milli/src/update/words_prefix_integer_docids.rs
@@ -71,7 +71,7 @@ impl<'t, 'i> WordPrefixIntegerDocids<'t, 'i> {
         );
         let mut cached_prefix_integer_docids_sorter =
             SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
-                NonZeroUsize::new(200).unwrap(),
+                NonZeroUsize::new(500).unwrap(),
                 prefix_integer_docids_sorter,
                 b"pid",
                 SLED_DB.clone(),