diff --git a/services/backup/src/config.rs b/services/backup/src/config.rs
--- a/services/backup/src/config.rs
+++ b/services/backup/src/config.rs
@@ -26,6 +26,14 @@
   #[arg(env = "REMOVE_OLD_BACKUPS")]
   #[arg(long, default_value_t = false)]
   pub remove_old_backups: bool,
+  /// WebSocket frame size limit
+  #[arg(env = "WS_FRAME_SIZE")]
+  #[arg(long, default_value_t = 16_777_216)]
+  pub ws_frame_size: usize,
+  /// Log size threshold for warning logs
+  #[arg(env = "LOG_SIZE_THRESHOLD_FOR_LOGGING")]
+  #[arg(long, default_value_t = 5_242_880)]
+  pub log_size_threshold_for_logging: usize,
 }
 
 /// Stores configuration parsed from command-line arguments
diff --git a/services/backup/src/constants.rs b/services/backup/src/constants.rs
--- a/services/backup/src/constants.rs
+++ b/services/backup/src/constants.rs
@@ -3,7 +3,6 @@
 pub const MPSC_CHANNEL_BUFFER_CAPACITY: usize = 1;
 pub const ID_SEPARATOR: &str = ":";
 pub const ATTACHMENT_HOLDER_SEPARATOR: &str = ";";
-pub const WS_FRAME_SIZE: usize = 1_048_576; // 1MiB
 pub const LOG_DEFAULT_PAGE_SIZE: i32 = 20;
 pub const LOG_BACKUP_ID_SEPARATOR: &str = "#";
 
diff --git a/services/backup/src/database/log_item.rs b/services/backup/src/database/log_item.rs
--- a/services/backup/src/database/log_item.rs
+++ b/services/backup/src/database/log_item.rs
@@ -1,4 +1,5 @@
-use crate::constants::{log_table::attr, LOG_BACKUP_ID_SEPARATOR};
+use crate::constants::{error_types, log_table::attr, LOG_BACKUP_ID_SEPARATOR};
+use crate::CONFIG;
 use aws_sdk_dynamodb::types::AttributeValue;
 use comm_lib::{
   blob::{
@@ -13,7 +14,7 @@
   },
 };
 use std::collections::HashMap;
-use tracing::debug;
+use tracing::{debug, error};
 
 #[derive(Clone, Debug)]
 pub struct LogItem {
@@ -39,6 +40,21 @@
       log_id = ?self.log_id,
       "Log content exceeds DDB item size limit, moving to blob storage"
     );
+
+    // Check if log size exceeds threshold for logging
+    if let Ok(log_size) = calculate_size_in_db(&self.clone().into()) {
+      if log_size > CONFIG.log_size_threshold_for_logging {
+        error!(
+          errorType = error_types::WS_ERROR,
+          "Large log detected - backupID={}, logID={}, size={} bytes ({:.1} MB)",
+          self.backup_id,
+          self.log_id,
+          log_size,
+          log_size as f64 / 1_048_576.0
+        );
+      }
+    }
+
     self.content.move_to_blob(blob_client).await
   }
 
diff --git a/services/backup/src/http/handlers/log.rs b/services/backup/src/http/handlers/log.rs
--- a/services/backup/src/http/handlers/log.rs
+++ b/services/backup/src/http/handlers/log.rs
@@ -1,4 +1,5 @@
-use crate::constants::{error_types, WS_FRAME_SIZE};
+use crate::config::CONFIG;
+use crate::constants::error_types;
 use crate::database::{log_item::LogItem, DatabaseClient};
 use actix::fut::ready;
 use actix::{Actor, ActorContext, ActorFutureExt, AsyncContext, StreamHandler};
@@ -43,7 +44,7 @@
     &req,
     stream,
   )
-  .frame_size(WS_FRAME_SIZE)
+  .frame_size(CONFIG.ws_frame_size)
   .start()
 }