diff --git a/control_plane/src/storage.rs b/control_plane/src/storage.rs
index 4b9fbe7c08..b1e5872b6e 100644
--- a/control_plane/src/storage.rs
+++ b/control_plane/src/storage.rs
@@ -352,6 +352,9 @@ impl PageServerNode {
                 checkpoint_distance: settings
                     .get("checkpoint_distance")
                     .map(|x| x.parse::<u64>().unwrap()),
+                compaction_target_size: settings
+                    .get("compaction_target_size")
+                    .map(|x| x.parse::<u64>().unwrap()),
                 compaction_period: settings.get("compaction_period").map(|x| x.to_string()),
                 gc_horizon: settings
                     .get("gc_horizon")
diff --git a/pageserver/src/config.rs b/pageserver/src/config.rs
index 3605b5716a..85646406e2 100644
--- a/pageserver/src/config.rs
+++ b/pageserver/src/config.rs
@@ -150,6 +150,7 @@ pub const TENANT_CONFIG_NAME: &str = "config";
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 pub struct TenantConf {
     pub checkpoint_distance: u64,
+    pub compaction_target_size: u64,
     pub compaction_period: Duration,
     pub gc_horizon: u64,
     pub gc_period: Duration,
@@ -164,6 +165,7 @@ impl TenantConf {
             pitr_interval: conf.pitr_interval,
             checkpoint_distance: conf.checkpoint_distance,
             compaction_period: conf.compaction_period,
+            compaction_target_size: conf.compaction_target_size,
         }
     }
     pub fn save(&self, conf: &'static PageServerConf, tenantid: ZTenantId) -> Result<()> {
diff --git a/pageserver/src/http/models.rs b/pageserver/src/http/models.rs
index 6131515210..3c93b01638 100644
--- a/pageserver/src/http/models.rs
+++ b/pageserver/src/http/models.rs
@@ -26,6 +26,7 @@ pub struct TenantCreateRequest {
     #[serde_as(as = "Option<DisplayFromStr>")]
     pub new_tenant_id: Option<ZTenantId>,
     pub checkpoint_distance: Option<u64>,
+    pub compaction_target_size: Option<u64>,
     pub compaction_period: Option<String>,
     pub gc_horizon: Option<u64>,
     pub gc_period: Option<String>,
@@ -47,6 +48,7 @@ impl TenantCreateRequest {
         TenantCreateRequest {
             new_tenant_id,
             checkpoint_distance: None,
+            compaction_target_size: None,
             compaction_period: None,
             gc_horizon: None,
             gc_period: None,
diff --git a/pageserver/src/http/routes.rs b/pageserver/src/http/routes.rs
index 5dca3bd863..7196d659a0 100644
--- a/pageserver/src/http/routes.rs
+++ b/pageserver/src/http/routes.rs
@@ -306,6 +306,9 @@ async fn tenant_create_handler(mut request: Request<Body>) -> Result<Response<Bo
     if let Some(checkpoint_distance) = request_data.checkpoint_distance {
         tenant_conf.checkpoint_distance = checkpoint_distance;
     }
+    if let Some(compaction_target_size) = request_data.compaction_target_size {
+        tenant_conf.compaction_target_size = compaction_target_size;
+    }
     if let Some(compaction_period) = request_data.compaction_period {
         tenant_conf.compaction_period =
             humantime::parse_duration(&compaction_period).map_err(ApiError::from_err)?;
diff --git a/pageserver/src/page_service.rs b/pageserver/src/page_service.rs
index 8c0a1f4d61..2ffc8dcc73 100644
--- a/pageserver/src/page_service.rs
+++ b/pageserver/src/page_service.rs
@@ -683,6 +683,7 @@ impl postgres_backend::Handler for PageServerHandler {
             let conf = repo.get_tenant_conf();
             pgb.write_message_noflush(&BeMessage::RowDescription(&[
                 RowDescriptor::int8_col(b"checkpoint_distance"),
+                RowDescriptor::int8_col(b"compaction_target_size"),
                 RowDescriptor::int8_col(b"compaction_period"),
                 RowDescriptor::int8_col(b"gc_horizon"),
                 RowDescriptor::int8_col(b"gc_period"),
@@ -690,6 +691,7 @@ impl postgres_backend::Handler for PageServerHandler {
             ]))?
             .write_message_noflush(&BeMessage::DataRow(&[
                 Some(conf.checkpoint_distance.to_string().as_bytes()),
+                Some(conf.compaction_target_size.to_string().as_bytes()),
                 Some(conf.compaction_period.as_secs().to_string().as_bytes()),
                 Some(conf.gc_horizon.to_string().as_bytes()),
                 Some(conf.gc_period.as_secs().to_string().as_bytes()),
diff --git a/test_runner/batch_others/test_tenant_conf.py b/test_runner/batch_others/test_tenant_conf.py
index 0e2fc5df17..9027059750 100644
--- a/test_runner/batch_others/test_tenant_conf.py
+++ b/test_runner/batch_others/test_tenant_conf.py
@@ -14,7 +14,8 @@ def test_tenant_config(zenith_env_builder: ZenithEnvBuilder):
             'gc_horizon': '1024',
             'pitr_interval': '3600sec',
             'checkpoint_distance': '10000',
-            'compaction_period': '60sec'
+            'compaction_period': '60sec',
+            'compaction_target_size': '1048576'
         })
 
     env.zenith_cli.create_timeline(f'test_tenant_conf', tenant_id=tenant)
@@ -27,4 +28,4 @@ def test_tenant_config(zenith_env_builder: ZenithEnvBuilder):
     with closing(env.pageserver.connect()) as psconn:
         with psconn.cursor() as pscur:
             pscur.execute(f"show {tenant.hex}")
-            assert pscur.fetchone() == (10000, 60, 1024, 100, 3600)
+            assert pscur.fetchone() == (10000, 1048576, 60, 1024, 100, 3600)
