Increase size of in-memory db

Cargo.toml

@@ -11,6 +11,7 @@ anyhow = "1"
 arrayref = "0.3"
 async-stream = "0.3"
 async-trait = "0.1"
+byte-unit = "4"
 bytes = { package = "lifetimed-bytes", git = "https://github.com/vorot93/lifetimed-bytes" }
 const_format = "0.2"
 ethereum = "0.7"

src/kv.rs

@@ -2,8 +2,9 @@ pub mod mdbx;
 pub mod remote;
 pub mod traits;
 
-use ::mdbx::WriteMap;
+use ::mdbx::{Geometry, WriteMap};
 use async_trait::async_trait;
+use byte_unit::n_mb_bytes;
 
 pub struct MemoryKv {
     inner: mdbx::Environment<WriteMap>,
@@ -32,6 +33,12 @@ pub fn new_mem_database() -> anyhow::Result<impl traits::MutableKV> {
     let tmpdir = tempfile::tempdir()?;
     let mut builder = ::mdbx::GenericEnvironment::<WriteMap>::new();
     builder.set_max_dbs(crate::tables::TABLE_MAP.len());
+    builder.set_geometry(Geometry {
+        size: Some(0..n_mb_bytes!(64) as usize),
+        growth_step: None,
+        shrink_threshold: None,
+        page_size: None,
+    });
     let inner = mdbx::Environment::open(builder, tmpdir.path(), &crate::tables::TABLE_MAP)?;
 
     Ok(MemoryKv {