diff --git a/crates/sui-indexer/src/config.rs b/crates/sui-indexer/src/config.rs
index d96c719ea10b8..648f9eba06baf 100644
--- a/crates/sui-indexer/src/config.rs
+++ b/crates/sui-indexer/src/config.rs
@@ -143,6 +143,27 @@ impl Default for IngestionConfig {
     }
 }
 
+#[derive(Args, Debug, Clone)]
+pub struct SqlBackFillConfig {
+    /// Maximum number of concurrent tasks to run.
+    #[arg(
+        long,
+        default_value_t = Self::DEFAULT_MAX_CONCURRENCY,
+    )]
+    pub max_concurrency: usize,
+    /// Number of checkpoints to backfill in a single SQL command.
+    #[arg(
+        long,
+        default_value_t = Self::DEFAULT_CHUNK_SIZE,
+    )]
+    pub chunk_size: usize,
+}
+
+impl SqlBackFillConfig {
+    const DEFAULT_MAX_CONCURRENCY: usize = 10;
+    const DEFAULT_CHUNK_SIZE: usize = 1000;
+}
+
 #[derive(Subcommand, Clone, Debug)]
 pub enum Command {
     Indexer {
@@ -177,6 +198,8 @@ pub enum Command {
         checkpoint_column_name: String,
         first_checkpoint: u64,
         last_checkpoint: u64,
+        #[command(flatten)]
+        backfill_config: SqlBackFillConfig,
     },
 }
 
diff --git a/crates/sui-indexer/src/main.rs b/crates/sui-indexer/src/main.rs
index 1c1523efbbb31..038c0f3c8af0a 100644
--- a/crates/sui-indexer/src/main.rs
+++ b/crates/sui-indexer/src/main.rs
@@ -79,6 +79,7 @@ async fn main() -> anyhow::Result<()> {
             checkpoint_column_name,
             first_checkpoint,
             last_checkpoint,
+            backfill_config,
         } => {
             run_sql_backfill(
                 &sql,
@@ -86,6 +87,7 @@ async fn main() -> anyhow::Result<()> {
                 first_checkpoint,
                 last_checkpoint,
                 pool,
+                backfill_config,
             )
             .await;
         }
diff --git a/crates/sui-indexer/src/sql_backfill.rs b/crates/sui-indexer/src/sql_backfill.rs
index a594e19d2be91..ea8103b6a2539 100644
--- a/crates/sui-indexer/src/sql_backfill.rs
+++ b/crates/sui-indexer/src/sql_backfill.rs
@@ -1,13 +1,14 @@
 // Copyright (c) Mysten Labs, Inc.
 // SPDX-License-Identifier: Apache-2.0
 
+use crate::config::SqlBackFillConfig;
 use crate::database::ConnectionPool;
 use diesel_async::RunQueryDsl;
 use futures::{stream, StreamExt};
+use std::collections::BTreeSet;
+use std::sync::Arc;
 use std::time::Instant;
-
-const CHUNK_SIZE: u64 = 10000;
-const MAX_CONCURRENCY: usize = 100;
+use tokio::sync::Mutex;
 
 pub async fn run_sql_backfill(
     sql: &str,
@@ -15,24 +16,40 @@ pub async fn run_sql_backfill(
     first_checkpoint: u64,
     last_checkpoint: u64,
     pool: ConnectionPool,
+    backfill_config: SqlBackFillConfig,
 ) {
     let cur_time = Instant::now();
+    // Keeps track of the checkpoint ranges (using starting checkpoint number)
+    // that are in progress.
+    let in_progress = Arc::new(Mutex::new(BTreeSet::new()));
     let chunks: Vec<(u64, u64)> = (first_checkpoint..=last_checkpoint)
-        .step_by(CHUNK_SIZE as usize)
+        .step_by(backfill_config.chunk_size)
         .map(|chunk_start| {
-            let chunk_end = std::cmp::min(chunk_start + CHUNK_SIZE - 1, last_checkpoint);
+            let chunk_end = std::cmp::min(
+                chunk_start + backfill_config.chunk_size as u64 - 1,
+                last_checkpoint,
+            );
             (chunk_start, chunk_end)
         })
         .collect();
 
     stream::iter(chunks)
-        .for_each_concurrent(MAX_CONCURRENCY, |(start_id, end_id)| {
+        .for_each_concurrent(backfill_config.max_concurrency, |(start_id, end_id)| {
             let pool_clone = pool.clone(); // Clone the pool for async operation
+            let in_progress_clone = in_progress.clone();
             async move {
+                in_progress_clone.lock().await.insert(start_id);
                 // Run the copy in a batch and add a delay
                 backfill_data_batch(sql, checkpoint_column_name, start_id, end_id, pool_clone)
                     .await;
-                println!("Finished checkpoint range: {} - {}", start_id, end_id);
+                println!("Finished checkpoint range: {} - {}.", start_id, end_id);
+                in_progress_clone.lock().await.remove(&start_id);
+                let cur_min_in_progress = in_progress_clone.lock().await.iter().next().cloned();
+                println!(
+                    "Minimum checkpoint number still in progress: {:?}.\
+                    If the binary ever fails, you can restart from this checkpoint",
+                    cur_min_in_progress
+                );
             }
         })
         .await;
@@ -49,7 +66,7 @@ async fn backfill_data_batch(
     let mut conn = pool.get().await.unwrap();
 
     let query = format!(
-        "{} WHERE {} BETWEEN {} AND {}",
+        "{} WHERE {} BETWEEN {} AND {} ON CONFLICT DO NOTHING",
         sql, checkpoint_column_name, first_checkpoint, last_checkpoint
     );