diff --git a/quickwit-metastore/test-data/file-backed-index/v0-9e6b2f93986378154c2ced8692b1c82b.expected.json b/quickwit-metastore/test-data/file-backed-index/v0-9e6b2f93986378154c2ced8692b1c82b.expected.json
index cf763ab357f..1f04a43d9be 100644
--- a/quickwit-metastore/test-data/file-backed-index/v0-9e6b2f93986378154c2ced8692b1c82b.expected.json
+++ b/quickwit-metastore/test-data/file-backed-index/v0-9e6b2f93986378154c2ced8692b1c82b.expected.json
@@ -24,6 +24,8 @@
         },
         {
           "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
           "name": "log_level",
           "record": "basic",
           "stored": true,
@@ -32,6 +34,8 @@
         },
         {
           "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
           "name": "message",
           "record": "position",
           "stored": true,
diff --git a/quickwit-metastore/test-data/file-backed-index/v0-abe75eb4eab7af5fd6a01237efebe352.expected.json b/quickwit-metastore/test-data/file-backed-index/v0-abe75eb4eab7af5fd6a01237efebe352.expected.json
index 686196e0d3e..af1e6666662 100644
--- a/quickwit-metastore/test-data/file-backed-index/v0-abe75eb4eab7af5fd6a01237efebe352.expected.json
+++ b/quickwit-metastore/test-data/file-backed-index/v0-abe75eb4eab7af5fd6a01237efebe352.expected.json
@@ -24,6 +24,8 @@
         },
         {
           "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
           "name": "log_level",
           "record": "basic",
           "stored": true,
@@ -32,6 +34,8 @@
         },
         {
           "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
           "name": "message",
           "record": "position",
           "stored": true,
diff --git a/quickwit-metastore/test-data/file-backed-index/v0-cefa3f14ad8abc59c64907d07d4ab421.expected.json b/quickwit-metastore/test-data/file-backed-index/v0-cefa3f14ad8abc59c64907d07d4ab421.expected.json
new file mode 100644
index 00000000000..7a9cf79cd01
--- /dev/null
+++ b/quickwit-metastore/test-data/file-backed-index/v0-cefa3f14ad8abc59c64907d07d4ab421.expected.json
@@ -0,0 +1,116 @@
+{
+  "index": {
+    "checkpoint": {
+      "kafka-source": {
+        "00000000000000000000": "00000000000000000042"
+      }
+    },
+    "create_timestamp": 1789,
+    "doc_mapping": {
+      "field_mappings": [
+        {
+          "fast": true,
+          "indexed": true,
+          "name": "tenant_id",
+          "stored": true,
+          "type": "u64"
+        },
+        {
+          "fast": true,
+          "indexed": true,
+          "name": "timestamp",
+          "stored": true,
+          "type": "i64"
+        },
+        {
+          "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
+          "name": "log_level",
+          "record": "basic",
+          "stored": true,
+          "tokenizer": "raw",
+          "type": "text"
+        },
+        {
+          "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
+          "name": "message",
+          "record": "position",
+          "stored": true,
+          "tokenizer": "default",
+          "type": "text"
+        }
+      ],
+      "store_source": true,
+      "tag_fields": [
+        "log_level",
+        "tenant_id"
+      ]
+    },
+    "index_id": "my-index",
+    "index_uri": "s3://quickwit-indexes/my-index",
+    "indexing_settings": {
+      "commit_timeout_secs": 301,
+      "demux_enabled": true,
+      "demux_field": "tenant_id",
+      "merge_enabled": true,
+      "merge_policy": {
+        "demux_factor": 7,
+        "max_merge_factor": 11,
+        "merge_factor": 9
+      },
+      "resources": {
+        "heap_size": 3,
+        "num_threads": 3
+      },
+      "sort_field": "timestamp",
+      "sort_order": "asc",
+      "split_num_docs_target": 10000001,
+      "timestamp_field": "timestamp"
+    },
+    "search_settings": {
+      "default_search_fields": [
+        "message"
+      ]
+    },
+    "sources": [
+      {
+        "params": {
+          "client_params": {},
+          "topic": "kafka-topic"
+        },
+        "source_id": "kafka-source",
+        "source_type": "kafka"
+      }
+    ],
+    "update_timestamp": 1789,
+    "version": "1"
+  },
+  "splits": [
+    {
+      "create_timestamp": 3,
+      "demux_num_ops": 1,
+      "footer_offsets": {
+        "end": 2000,
+        "start": 1000
+      },
+      "num_docs": 12303,
+      "size_in_bytes": 234234,
+      "split_id": "split",
+      "split_state": "Published",
+      "tags": [
+        "234",
+        "aaa"
+      ],
+      "time_range": {
+        "end": 130198,
+        "start": 121000
+      },
+      "update_timestamp": 1789,
+      "version": "1"
+    }
+  ],
+  "version": "0"
+}
diff --git a/quickwit-metastore/test-data/file-backed-index/v0-cefa3f14ad8abc59c64907d07d4ab421.json b/quickwit-metastore/test-data/file-backed-index/v0-cefa3f14ad8abc59c64907d07d4ab421.json
new file mode 100644
index 00000000000..7a9cf79cd01
--- /dev/null
+++ b/quickwit-metastore/test-data/file-backed-index/v0-cefa3f14ad8abc59c64907d07d4ab421.json
@@ -0,0 +1,116 @@
+{
+  "index": {
+    "checkpoint": {
+      "kafka-source": {
+        "00000000000000000000": "00000000000000000042"
+      }
+    },
+    "create_timestamp": 1789,
+    "doc_mapping": {
+      "field_mappings": [
+        {
+          "fast": true,
+          "indexed": true,
+          "name": "tenant_id",
+          "stored": true,
+          "type": "u64"
+        },
+        {
+          "fast": true,
+          "indexed": true,
+          "name": "timestamp",
+          "stored": true,
+          "type": "i64"
+        },
+        {
+          "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
+          "name": "log_level",
+          "record": "basic",
+          "stored": true,
+          "tokenizer": "raw",
+          "type": "text"
+        },
+        {
+          "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
+          "name": "message",
+          "record": "position",
+          "stored": true,
+          "tokenizer": "default",
+          "type": "text"
+        }
+      ],
+      "store_source": true,
+      "tag_fields": [
+        "log_level",
+        "tenant_id"
+      ]
+    },
+    "index_id": "my-index",
+    "index_uri": "s3://quickwit-indexes/my-index",
+    "indexing_settings": {
+      "commit_timeout_secs": 301,
+      "demux_enabled": true,
+      "demux_field": "tenant_id",
+      "merge_enabled": true,
+      "merge_policy": {
+        "demux_factor": 7,
+        "max_merge_factor": 11,
+        "merge_factor": 9
+      },
+      "resources": {
+        "heap_size": 3,
+        "num_threads": 3
+      },
+      "sort_field": "timestamp",
+      "sort_order": "asc",
+      "split_num_docs_target": 10000001,
+      "timestamp_field": "timestamp"
+    },
+    "search_settings": {
+      "default_search_fields": [
+        "message"
+      ]
+    },
+    "sources": [
+      {
+        "params": {
+          "client_params": {},
+          "topic": "kafka-topic"
+        },
+        "source_id": "kafka-source",
+        "source_type": "kafka"
+      }
+    ],
+    "update_timestamp": 1789,
+    "version": "1"
+  },
+  "splits": [
+    {
+      "create_timestamp": 3,
+      "demux_num_ops": 1,
+      "footer_offsets": {
+        "end": 2000,
+        "start": 1000
+      },
+      "num_docs": 12303,
+      "size_in_bytes": 234234,
+      "split_id": "split",
+      "split_state": "Published",
+      "tags": [
+        "234",
+        "aaa"
+      ],
+      "time_range": {
+        "end": 130198,
+        "start": 121000
+      },
+      "update_timestamp": 1789,
+      "version": "1"
+    }
+  ],
+  "version": "0"
+}
diff --git a/quickwit-metastore/test-data/file-backed-index/v0-f43be15d8611ab4d84b0eaec0607907c.expected.json b/quickwit-metastore/test-data/file-backed-index/v0-f43be15d8611ab4d84b0eaec0607907c.expected.json
index 482092b9b5a..7a9cf79cd01 100644
--- a/quickwit-metastore/test-data/file-backed-index/v0-f43be15d8611ab4d84b0eaec0607907c.expected.json
+++ b/quickwit-metastore/test-data/file-backed-index/v0-f43be15d8611ab4d84b0eaec0607907c.expected.json
@@ -24,6 +24,8 @@
         },
         {
           "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
           "name": "log_level",
           "record": "basic",
           "stored": true,
@@ -32,6 +34,8 @@
         },
         {
           "fast": false,
+          "fieldnorms": false,
+          "indexed": true,
           "name": "message",
           "record": "position",
           "stored": true,
diff --git a/quickwit-metastore/test-data/index-metadata/unversioned.expected.json b/quickwit-metastore/test-data/index-metadata/unversioned.expected.json
index f59f3cc6226..8077a35cccb 100644
--- a/quickwit-metastore/test-data/index-metadata/unversioned.expected.json
+++ b/quickwit-metastore/test-data/index-metadata/unversioned.expected.json
@@ -23,6 +23,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "log_level",
         "record": "basic",
         "stored": true,
@@ -31,6 +33,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "message",
         "record": "position",
         "stored": true,
diff --git a/quickwit-metastore/test-data/index-metadata/v0-082493da53735bc58ec35c1648a4f14c.expected.json b/quickwit-metastore/test-data/index-metadata/v0-082493da53735bc58ec35c1648a4f14c.expected.json
index 0ae745b849b..8c60cd5d0a8 100644
--- a/quickwit-metastore/test-data/index-metadata/v0-082493da53735bc58ec35c1648a4f14c.expected.json
+++ b/quickwit-metastore/test-data/index-metadata/v0-082493da53735bc58ec35c1648a4f14c.expected.json
@@ -23,6 +23,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "log_level",
         "record": "basic",
         "stored": true,
@@ -31,6 +33,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "message",
         "record": "position",
         "stored": true,
diff --git a/quickwit-metastore/test-data/index-metadata/v0-4a463f5078aa6acf314c95936336fa68.expected.json b/quickwit-metastore/test-data/index-metadata/v0-4a463f5078aa6acf314c95936336fa68.expected.json
index 7cad484ad51..c848d4fc421 100644
--- a/quickwit-metastore/test-data/index-metadata/v0-4a463f5078aa6acf314c95936336fa68.expected.json
+++ b/quickwit-metastore/test-data/index-metadata/v0-4a463f5078aa6acf314c95936336fa68.expected.json
@@ -23,6 +23,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "log_level",
         "record": "basic",
         "stored": true,
@@ -31,6 +33,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "message",
         "record": "position",
         "stored": true,
diff --git a/quickwit-metastore/test-data/index-metadata/v0-cb4b352caf8990d0e7a54582a4478cd5.expected.json b/quickwit-metastore/test-data/index-metadata/v0-cb4b352caf8990d0e7a54582a4478cd5.expected.json
index 0ae745b849b..8c60cd5d0a8 100644
--- a/quickwit-metastore/test-data/index-metadata/v0-cb4b352caf8990d0e7a54582a4478cd5.expected.json
+++ b/quickwit-metastore/test-data/index-metadata/v0-cb4b352caf8990d0e7a54582a4478cd5.expected.json
@@ -23,6 +23,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "log_level",
         "record": "basic",
         "stored": true,
@@ -31,6 +33,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "message",
         "record": "position",
         "stored": true,
diff --git a/quickwit-metastore/test-data/index-metadata/v1-9538b1b7051ec08b3b442298cd7ba362.expected.json b/quickwit-metastore/test-data/index-metadata/v1-9538b1b7051ec08b3b442298cd7ba362.expected.json
index 45f343b6a31..4570ac086d9 100644
--- a/quickwit-metastore/test-data/index-metadata/v1-9538b1b7051ec08b3b442298cd7ba362.expected.json
+++ b/quickwit-metastore/test-data/index-metadata/v1-9538b1b7051ec08b3b442298cd7ba362.expected.json
@@ -23,6 +23,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "log_level",
         "record": "basic",
         "stored": true,
@@ -31,6 +33,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "message",
         "record": "position",
         "stored": true,
diff --git a/quickwit-metastore/test-data/index-metadata/v1-b26ff6216df5ed38e0548ac2012570e1.expected.json b/quickwit-metastore/test-data/index-metadata/v1-b26ff6216df5ed38e0548ac2012570e1.expected.json
new file mode 100644
index 00000000000..ef99f63c159
--- /dev/null
+++ b/quickwit-metastore/test-data/index-metadata/v1-b26ff6216df5ed38e0548ac2012570e1.expected.json
@@ -0,0 +1,89 @@
+{
+  "checkpoint": {
+    "kafka-source": {
+      "00000000000000000000": "00000000000000000042"
+    }
+  },
+  "create_timestamp": 1789,
+  "doc_mapping": {
+    "field_mappings": [
+      {
+        "fast": true,
+        "indexed": true,
+        "name": "tenant_id",
+        "stored": true,
+        "type": "u64"
+      },
+      {
+        "fast": true,
+        "indexed": true,
+        "name": "timestamp",
+        "stored": true,
+        "type": "i64"
+      },
+      {
+        "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
+        "name": "log_level",
+        "record": "basic",
+        "stored": true,
+        "tokenizer": "raw",
+        "type": "text"
+      },
+      {
+        "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
+        "name": "message",
+        "record": "position",
+        "stored": true,
+        "tokenizer": "default",
+        "type": "text"
+      }
+    ],
+    "store_source": true,
+    "tag_fields": [
+      "log_level",
+      "tenant_id"
+    ]
+  },
+  "index_id": "my-index",
+  "index_uri": "s3://quickwit-indexes/my-index",
+  "indexing_settings": {
+    "commit_timeout_secs": 301,
+    "demux_enabled": true,
+    "demux_field": "tenant_id",
+    "merge_enabled": true,
+    "merge_policy": {
+      "demux_factor": 7,
+      "max_merge_factor": 11,
+      "merge_factor": 9
+    },
+    "resources": {
+      "heap_size": 3,
+      "num_threads": 3
+    },
+    "sort_field": "timestamp",
+    "sort_order": "asc",
+    "split_num_docs_target": 10000001,
+    "timestamp_field": "timestamp"
+  },
+  "search_settings": {
+    "default_search_fields": [
+      "message"
+    ]
+  },
+  "sources": [
+    {
+      "params": {
+        "client_params": {},
+        "topic": "kafka-topic"
+      },
+      "source_id": "kafka-source",
+      "source_type": "kafka"
+    }
+  ],
+  "update_timestamp": 1789,
+  "version": "1"
+}
diff --git a/quickwit-metastore/test-data/index-metadata/v1-b26ff6216df5ed38e0548ac2012570e1.json b/quickwit-metastore/test-data/index-metadata/v1-b26ff6216df5ed38e0548ac2012570e1.json
new file mode 100644
index 00000000000..ef99f63c159
--- /dev/null
+++ b/quickwit-metastore/test-data/index-metadata/v1-b26ff6216df5ed38e0548ac2012570e1.json
@@ -0,0 +1,89 @@
+{
+  "checkpoint": {
+    "kafka-source": {
+      "00000000000000000000": "00000000000000000042"
+    }
+  },
+  "create_timestamp": 1789,
+  "doc_mapping": {
+    "field_mappings": [
+      {
+        "fast": true,
+        "indexed": true,
+        "name": "tenant_id",
+        "stored": true,
+        "type": "u64"
+      },
+      {
+        "fast": true,
+        "indexed": true,
+        "name": "timestamp",
+        "stored": true,
+        "type": "i64"
+      },
+      {
+        "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
+        "name": "log_level",
+        "record": "basic",
+        "stored": true,
+        "tokenizer": "raw",
+        "type": "text"
+      },
+      {
+        "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
+        "name": "message",
+        "record": "position",
+        "stored": true,
+        "tokenizer": "default",
+        "type": "text"
+      }
+    ],
+    "store_source": true,
+    "tag_fields": [
+      "log_level",
+      "tenant_id"
+    ]
+  },
+  "index_id": "my-index",
+  "index_uri": "s3://quickwit-indexes/my-index",
+  "indexing_settings": {
+    "commit_timeout_secs": 301,
+    "demux_enabled": true,
+    "demux_field": "tenant_id",
+    "merge_enabled": true,
+    "merge_policy": {
+      "demux_factor": 7,
+      "max_merge_factor": 11,
+      "merge_factor": 9
+    },
+    "resources": {
+      "heap_size": 3,
+      "num_threads": 3
+    },
+    "sort_field": "timestamp",
+    "sort_order": "asc",
+    "split_num_docs_target": 10000001,
+    "timestamp_field": "timestamp"
+  },
+  "search_settings": {
+    "default_search_fields": [
+      "message"
+    ]
+  },
+  "sources": [
+    {
+      "params": {
+        "client_params": {},
+        "topic": "kafka-topic"
+      },
+      "source_id": "kafka-source",
+      "source_type": "kafka"
+    }
+  ],
+  "update_timestamp": 1789,
+  "version": "1"
+}
diff --git a/quickwit-metastore/test-data/index-metadata/v1-e52f66301963300ef942997308b4f3ac.expected.json b/quickwit-metastore/test-data/index-metadata/v1-e52f66301963300ef942997308b4f3ac.expected.json
index 3be56808d76..ef99f63c159 100644
--- a/quickwit-metastore/test-data/index-metadata/v1-e52f66301963300ef942997308b4f3ac.expected.json
+++ b/quickwit-metastore/test-data/index-metadata/v1-e52f66301963300ef942997308b4f3ac.expected.json
@@ -23,6 +23,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "log_level",
         "record": "basic",
         "stored": true,
@@ -31,6 +33,8 @@
       },
       {
         "fast": false,
+        "fieldnorms": false,
+        "indexed": true,
         "name": "message",
         "record": "position",
         "stored": true,