Use a nonrandom hasher when decoding NDJSON

Cargo.lock

@@ -3577,6 +3577,7 @@ dependencies = [
  "memmap2",
  "milli",
  "roaring",
+ "rustc-hash 2.1.0",
  "serde",
  "serde-cs",
  "serde_json",
@@ -3676,7 +3677,7 @@ dependencies = [
  "rhai",
  "roaring",
  "rstar",
- "rustc-hash 2.0.0",
+ "rustc-hash 2.1.0",
  "serde",
  "serde_json",
  "slice-group-by",
@@ -4425,7 +4426,7 @@ dependencies = [
  "bytes",
  "rand",
  "ring",
- "rustc-hash 2.0.0",
+ "rustc-hash 2.1.0",
  "rustls",
  "slab",
  "thiserror",
@@ -4798,9 +4799,9 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
 name = "rustc-hash"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "583034fd73374156e66797ed8e5b0d5690409c9226b22d87cb7f19821c05d152"
+checksum = "c7fb8039b3032c191086b10f11f319a6e99e1e82889c5cc6046f515c9db1d497"
 
 [[package]]
 name = "rustc_version"

crates/meilisearch-types/Cargo.toml

@@ -26,6 +26,7 @@ memmap2 = "0.9.4"
 milli = { path = "../milli" }
 bumparaw-collections = "0.1.2"
 roaring = { version = "0.10.7", features = ["serde"] }
+rustc-hash = "2.1.0"
 serde = { version = "1.0.204", features = ["derive"] }
 serde-cs = "0.2.4"
 serde_json = "1.0.120"

crates/meilisearch-types/src/document_formats.rs

@@ -8,6 +8,7 @@ use bumparaw_collections::RawMap;
 use memmap2::Mmap;
 use milli::documents::Error;
 use milli::Object;
+use rustc_hash::FxBuildHasher;
 use serde::de::{SeqAccess, Visitor};
 use serde::{Deserialize, Deserializer};
 use serde_json::error::Category;
@@ -263,7 +264,7 @@ pub fn read_ndjson(input: &File) -> Result<u64> {
         match result {
             Ok(raw) => {
                 // try to deserialize as a map
-                RawMap::from_raw_value(raw, &bump)
+                RawMap::from_raw_value_and_hasher(raw, FxBuildHasher, &bump)
                     .map_err(|e| DocumentFormatError::from((PayloadType::Ndjson, e)))?;
                 count += 1;
             }