diff --git a/Cargo.lock b/Cargo.lock
index 8f9a1eeda..9ba11f34a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3392,6 +3392,7 @@ dependencies = [
  "noosphere-sphere",
  "noosphere-storage",
  "pathdiff",
+ "rand 0.8.5",
  "reqwest",
  "serde",
  "serde_json",
diff --git a/Cargo.toml b/Cargo.toml
index 464a76374..c7a5a0087 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,6 +31,7 @@ libipld = { version = "0.16" }
 libipld-core = { version = "0.16" }
 libipld-cbor = { version = "0.16" }
 pathdiff = { version = "0.2.1" }
+rand = { version = "0.8" }
 sentry-tracing = { version = "0.31.5" }
 serde = { version = "^1" }
 serde_json = { version = "^1" }
diff --git a/rust/noosphere-cli/Cargo.toml b/rust/noosphere-cli/Cargo.toml
index aa4a88786..6a8d97a7d 100644
--- a/rust/noosphere-cli/Cargo.toml
+++ b/rust/noosphere-cli/Cargo.toml
@@ -58,6 +58,7 @@ cid = { workspace = true }
 symlink = { workspace = true }
 pathdiff = { workspace = true }
 subtext = "0.3.2"
+rand = {workspace = true }
 
 serde = { workspace = true }
 serde_json = { workspace = true }
diff --git a/rust/noosphere-cli/tests/helpers/mod.rs b/rust/noosphere-cli/tests/helpers/mod.rs
index 6887b1924..e8babb3a3 100644
--- a/rust/noosphere-cli/tests/helpers/mod.rs
+++ b/rust/noosphere-cli/tests/helpers/mod.rs
@@ -1,7 +1,9 @@
 #![allow(dead_code)]
 
 mod cli;
+mod random;
 
+pub use crate::helpers::random::*;
 pub use cli::*;
 
 use anyhow::Result;
diff --git a/rust/noosphere-cli/tests/helpers/random.rs b/rust/noosphere-cli/tests/helpers/random.rs
new file mode 100644
index 000000000..54bf5cc77
--- /dev/null
+++ b/rust/noosphere-cli/tests/helpers/random.rs
@@ -0,0 +1,35 @@
+use rand::{rngs::StdRng, Rng, SeedableRng};
+use std::sync::Arc;
+use tokio::sync::Mutex;
+
+/// A helper to support consistent use of seeded randomness in tests.
+/// Its primary purpose is to retain and report the seed in use for a
+/// random number generator that can be shared across threads in tests.
+/// This is probably not suitable for use outside of tests.
+pub struct TestEntropy {
+    seed: [u8; 32],
+    rng: Arc<Mutex<StdRng>>,
+}
+
+impl Default for TestEntropy {
+    fn default() -> Self {
+        Self::from_seed(rand::thread_rng().gen::<[u8; 32]>())
+    }
+}
+
+impl TestEntropy {
+    pub fn from_seed(seed: [u8; 32]) -> Self {
+        tracing::info!(?seed, "Initializing test entropy...");
+
+        let rng = Arc::new(Mutex::new(SeedableRng::from_seed(seed.clone())));
+        Self { seed, rng }
+    }
+
+    pub fn to_rng(&self) -> Arc<Mutex<StdRng>> {
+        self.rng.clone()
+    }
+
+    pub fn seed(&self) -> &[u8] {
+        &self.seed
+    }
+}
diff --git a/rust/noosphere-cli/tests/peer_to_peer.rs b/rust/noosphere-cli/tests/peer_to_peer.rs
index bb5c5adc8..991e6b1e1 100644
--- a/rust/noosphere-cli/tests/peer_to_peer.rs
+++ b/rust/noosphere-cli/tests/peer_to_peer.rs
@@ -14,12 +14,15 @@ use noosphere_sphere::{
     SpherePetnameRead, SpherePetnameWrite, SphereReplicaRead, SphereSync, SphereWalker,
     SyncRecovery,
 };
+use rand::Rng;
 use std::collections::BTreeSet;
 use std::sync::Arc;
 use tokio::io::AsyncReadExt;
 use tokio_stream::StreamExt;
 use url::Url;
 
+use crate::helpers::TestEntropy;
+
 #[tokio::test]
 async fn gateway_publishes_and_resolves_petnames_configured_by_the_client() -> Result<()> {
     initialize_tracing(None);
@@ -669,3 +672,113 @@ async fn local_lineage_remains_sparse_as_graph_changes_accrue_over_time() -> Res
     ns_task.abort();
     Ok(())
 }
+
+#[tokio::test(flavor = "multi_thread")]
+async fn clients_can_sync_when_there_is_a_lot_of_content() -> Result<()> {
+    initialize_tracing(None);
+
+    let entropy = TestEntropy::default();
+    let rng = entropy.to_rng();
+
+    let ipfs_url = Url::parse("http://127.0.0.1:5001").unwrap();
+    let (ns_url, ns_task) = start_name_system_server(&ipfs_url).await.unwrap();
+
+    let mut pair_1 = SpherePair::new("ONE", &ipfs_url, &ns_url).await?;
+    let mut pair_2 = SpherePair::new("TWO", &ipfs_url, &ns_url).await?;
+
+    pair_1.start_gateway().await?;
+    pair_2.start_gateway().await?;
+
+    let peer_2_identity = pair_2.client.workspace.sphere_identity().await?;
+    let pair_2_rng = rng.clone();
+
+    pair_2
+        .spawn(|mut ctx| async move {
+            let mut rng = pair_2_rng.lock().await;
+
+            // Long history, small-ish files
+            for _ in 0..1000 {
+                let random_index = rng.gen_range(0..100);
+                let mut random_bytes = Vec::from(rng.gen::<[u8; 32]>());
+                let slug = format!("slug{}", random_index);
+
+                let next_bytes = if let Some(mut file) = ctx.read(&slug).await? {
+                    let mut file_bytes = Vec::new();
+                    file.contents.read_to_end(&mut file_bytes).await?;
+                    file_bytes.append(&mut random_bytes);
+                    file_bytes
+                } else {
+                    random_bytes
+                };
+
+                ctx.write(&slug, &ContentType::Bytes, next_bytes.as_ref(), None)
+                    .await?;
+                ctx.save(None).await?;
+            }
+
+            Ok(ctx.sync(SyncRecovery::Retry(3)).await?)
+        })
+        .await?;
+
+    let pair_1_rng = rng.clone();
+
+    pair_1
+        .spawn(|mut ctx| async move {
+            let mut rng = pair_1_rng.lock().await;
+
+            // Modest history, large-ish files
+            for _ in 0..100 {
+                let mut random_bytes = (0..1000).fold(Vec::new(), |mut bytes, _| {
+                    bytes.append(&mut Vec::from(rng.gen::<[u8; 32]>()));
+                    bytes
+                });
+                let random_index = rng.gen_range(0..10);
+                let slug = format!("slug{}", random_index);
+
+                let next_bytes = if let Some(mut file) = ctx.read(&slug).await? {
+                    let mut file_bytes = Vec::new();
+                    file.contents.read_to_end(&mut file_bytes).await?;
+                    file_bytes.append(&mut random_bytes);
+                    file_bytes
+                } else {
+                    random_bytes
+                };
+
+                ctx.write(&slug, &ContentType::Bytes, next_bytes.as_ref(), None)
+                    .await?;
+
+                ctx.save(None).await?;
+            }
+
+            ctx.sync(SyncRecovery::Retry(3)).await?;
+
+            ctx.set_petname("peer2", Some(peer_2_identity)).await?;
+
+            ctx.save(None).await?;
+
+            ctx.sync(SyncRecovery::Retry(3)).await?;
+
+            // TODO(#606): Implement this part of the test when we "fix" latency asymmetry between
+            // name system and syndication workers. We should be able to test traversing to a peer
+            // after a huge update as been added to the name system.
+            /*
+            wait(1).await;
+
+            ctx.sync(SyncRecovery::Retry(3)).await?;
+
+            wait(1).await;
+
+            let cursor = SphereCursor::latest(ctx);
+            let _peer2_ctx = cursor
+                .traverse_by_petnames(&["peer2".into()])
+                .await?
+                .unwrap();
+            */
+            Ok(())
+        })
+        .await?;
+
+    ns_task.abort();
+
+    Ok(())
+}
diff --git a/rust/noosphere-gateway/src/gateway.rs b/rust/noosphere-gateway/src/gateway.rs
index 114a4152a..f72914e77 100644
--- a/rust/noosphere-gateway/src/gateway.rs
+++ b/rust/noosphere-gateway/src/gateway.rs
@@ -1,4 +1,5 @@
 use anyhow::Result;
+use axum::extract::DefaultBodyLimit;
 use axum::http::{HeaderValue, Method};
 use axum::routing::{get, put};
 use axum::{Extension, Router, Server};
@@ -23,6 +24,8 @@ use crate::{
 
 use noosphere_core::tracing::initialize_tracing;
 
+pub const DEFAULT_BODY_LENGTH_LIMIT: usize = 100 /* MB */ * 1000 * 1000;
+
 #[derive(Clone, Debug)]
 pub struct GatewayScope {
     /// Identity of gateway sphere.
@@ -99,6 +102,7 @@ where
         .layer(Extension(gateway_key_did))
         .layer(Extension(syndication_tx))
         .layer(Extension(name_system_tx))
+        .layer(DefaultBodyLimit::max(DEFAULT_BODY_LENGTH_LIMIT))
         .layer(cors)
         .layer(TraceLayer::new_for_http());
 
diff --git a/rust/noosphere-ipfs/Cargo.toml b/rust/noosphere-ipfs/Cargo.toml
index 77695e8be..646e9ba44 100644
--- a/rust/noosphere-ipfs/Cargo.toml
+++ b/rust/noosphere-ipfs/Cargo.toml
@@ -50,7 +50,7 @@ ipfs-api-prelude = "0.6"
 [dev-dependencies]
 
 [target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
-rand = "~0.8"
+rand = { workspace = true }
 iroh-car = { workspace = true }
 libipld-cbor = { workspace = true }
 noosphere-core = { version = "0.15.1", path = "../noosphere-core" }
diff --git a/rust/noosphere-ns/Cargo.toml b/rust/noosphere-ns/Cargo.toml
index 7a7763d49..d15807b84 100644
--- a/rust/noosphere-ns/Cargo.toml
+++ b/rust/noosphere-ns/Cargo.toml
@@ -57,7 +57,7 @@ url = { version = "^2", features = [ "serde" ], optional = true }
 [dev-dependencies]
 
 [target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
-rand = { version = "0.8.5" }
+rand = { workspace = true }
 libipld-cbor = { workspace = true }
 tempfile = { workspace = true }
 
diff --git a/rust/noosphere-sphere/src/sync/strategy.rs b/rust/noosphere-sphere/src/sync/strategy.rs
index 1c76157a3..115816b3a 100644
--- a/rust/noosphere-sphere/src/sync/strategy.rs
+++ b/rust/noosphere-sphere/src/sync/strategy.rs
@@ -359,6 +359,13 @@ where
             .bundle_until_ancestor(local_sphere_base.as_ref())
             .await?;
 
+        let mut byte_count = 0;
+        for bytes in bundle.map().values() {
+            byte_count += bytes.len();
+        }
+
+        trace!("Total bytes in bundle to be pushed: {}", byte_count);
+
         let client = context.client().await?;
 
         let local_sphere_identity = context.identity();
diff --git a/rust/noosphere/src/ffi/mod.rs b/rust/noosphere/src/ffi/mod.rs
index 061431359..2f9270bbc 100644
--- a/rust/noosphere/src/ffi/mod.rs
+++ b/rust/noosphere/src/ffi/mod.rs
@@ -1,3 +1,6 @@
+// TODO(getditto/safer_ffi#181): Re-enable this lint
+#![allow(clippy::incorrect_clone_impl_on_copy_type)]
+
 mod authority;
 mod context;
 mod error;