diff --git a/db/compose.yml b/db/compose.yml
index 38c32c2..497e1af 100644
--- a/db/compose.yml
+++ b/db/compose.yml
@@ -10,7 +10,7 @@ services:
       MARIADB_USER: tam3
       MARIADB_PASSWORD: tam3
     volumes:
-      - "tam3-db:/var/lib/mysql"
+      - "tam3-db:/var/lib/mysql:rw,z"
     ports:
       - 127.0.0.1:3306:3306
   adminer:
diff --git a/webapp/src/lib/server/chunkArray.js b/webapp/src/lib/server/chunkArray.js
new file mode 100644
index 0000000..1d7de2a
--- /dev/null
+++ b/webapp/src/lib/server/chunkArray.js
@@ -0,0 +1,7 @@
+export function chunkArray(arr, chunkSize) {
+    const chunks = [];
+    for (let i = 0; i < arr.length; i += chunkSize) {
+        chunks.push(arr.slice(i, i + chunkSize));
+    }
+    return chunks;
+}
\ No newline at end of file
diff --git a/webapp/src/routes/api/backuprestore/+server.js b/webapp/src/routes/api/backuprestore/+server.js
index bf7b9da..80563b8 100644
--- a/webapp/src/routes/api/backuprestore/+server.js
+++ b/webapp/src/routes/api/backuprestore/+server.js
@@ -2,14 +2,7 @@ import { env } from "$env/dynamic/private";
 import { db } from "$lib/server/db";
 import { prefixes, tickets, baskets } from "$lib/server/db/schema";
 import { sql } from "drizzle-orm";
-
-function chunkArray(arr, chunkSize) {
-    const chunks = [];
-    for (let i = 0; i < arr.length; i += chunkSize) {
-        chunks.push(arr.slice(i, i + chunkSize));
-    }
-    return chunks;
-}
+import { chunkArray } from "$lib/server/chunkArray";
 
 export async function GET() {
     if (env.TAM3_REMOTE) {
diff --git a/webapp/src/routes/api/baskets/+server.js b/webapp/src/routes/api/baskets/+server.js
index a1c77b4..4c2af80 100644
--- a/webapp/src/routes/api/baskets/+server.js
+++ b/webapp/src/routes/api/baskets/+server.js
@@ -1,6 +1,8 @@
 import { env } from "$env/dynamic/private";
 import { db } from "$lib/server/db";
+import { sql } from "drizzle-orm";
 import { baskets } from "$lib/server/db/schema";
+import { chunkArray } from "$lib/server/chunkArray";
 
 export async function GET() {
     if (env.TAM3_REMOTE) {
@@ -26,9 +28,9 @@ export async function GET() {
 
 export async function POST({ request }) {
         const i_baskets = await request.json();
-        for (let basket of i_baskets) {
-            await db.insert(baskets).values({prefix: basket.prefix, b_id: basket.b_id, description: basket.description, donors: basket.donors, winning_ticket: basket.winning_ticket})
-                .onConflictDoUpdate({target: [baskets.prefix, baskets.b_id], set: {description: basket.description, donors: basket.donors, winning_ticket: basket.winning_ticket}})
+        for (let basketChunk of chunkArray(i_baskets, 300)) {
+            await db.insert(baskets).values(basketChunk)
+                .onConflictDoUpdate({target: [baskets.prefix, baskets.b_id], set: {description: sql`excluded.description`, donors: sql`excluded.donors`, winning_ticket: sql`excluded.winning_ticket`}})
         };
         if (env.TAM3_REMOTE) {
             const res = await fetch(`${env.TAM3_REMOTE}/api/baskets/?api_key=${env.TAM3_REMOTE_KEY}`, {
diff --git a/webapp/src/routes/api/combined/+server.js b/webapp/src/routes/api/combined/+server.js
index 05f722d..fd9f1fc 100644
--- a/webapp/src/routes/api/combined/+server.js
+++ b/webapp/src/routes/api/combined/+server.js
@@ -1,6 +1,8 @@
 import { env } from "$env/dynamic/private";
 import { db } from "$lib/server/db";
+import { sql } from "drizzle-orm";
 import { baskets, combined } from "$lib/server/db/schema";
+import { chunkArray } from "$lib/server/chunkArray";
 
 export async function GET() {
     if (env.TAM3_REMOTE) {
@@ -21,9 +23,9 @@ export async function GET() {
 
 export async function POST({ request }) {
     const r_data = await request.json()
-    for (let winner of r_data) {
-        await db.insert(baskets).values({prefix: winner.prefix, b_id: winner.b_id, winning_ticket: winner.winning_ticket})
-            .onConflictDoUpdate({target: [baskets.prefix, baskets.b_id], set: {winning_ticket: winner.winning_ticket}})
+    for (let winnerChunk of chunkArray(r_data, 300)) {
+        await db.insert(baskets).values(winnerChunk)
+            .onConflictDoUpdate({target: [baskets.prefix, baskets.b_id], set: {winning_ticket: sql`excluded.winning_ticket`}})
     }
     if (env.TAM3_REMOTE) {
         const res = await fetch(`${env.TAM3_REMOTE}/api/combined/?api_key=${env.TAM3_REMOTE_KEY}`, {
diff --git a/webapp/src/routes/api/tickets/+server.js b/webapp/src/routes/api/tickets/+server.js
index 2950946..5f93c6a 100644
--- a/webapp/src/routes/api/tickets/+server.js
+++ b/webapp/src/routes/api/tickets/+server.js
@@ -1,6 +1,8 @@
 import { db } from "$lib/server/db";
+import { sql } from "drizzle-orm";
 import { tickets } from "$lib/server/db/schema";
 import { env } from "$env/dynamic/private";
+import { chunkArray } from "$lib/server/chunkArray";
 
 export async function GET() {
     if (env.TAM3_REMOTE) {
@@ -30,9 +32,9 @@ export async function GET() {
 
 export async function POST({ request }) {
     const i_tickets = await request.json();
-    for (let ticket of i_tickets) {
-        await db.insert(tickets).values({prefix: ticket.prefix, t_id: ticket.t_id, first_name: ticket.first_name, last_name: ticket.last_name, phone_number: ticket.phone_number, preference: ticket.preference})
-            .onConflictDoUpdate({target: [tickets.prefix, tickets.t_id], set: {first_name: ticket.first_name, last_name: ticket.last_name, phone_number: ticket.phone_number, preference: ticket.preference}});
+    for (let ticketChunk of chunkArray(i_tickets, 300)) {
+        await db.insert(tickets).values(ticketChunk)
+            .onConflictDoUpdate({target: [tickets.prefix, tickets.t_id], set: {first_name: sql`excluded.first_name`, last_name: sql`excluded.last_name`, phone_number: sql`excluded.phone_number`, preference: sql`excluded.preference`}});
     };
     if (env.TAM3_REMOTE) {
         const res = await fetch(`${env.TAM3_REMOTE}/api/tickets/?api_key=${env.TAM3_REMOTE_KEY}`, {
diff --git a/webapp/src/routes/baskets/[prefix]/+page.svelte b/webapp/src/routes/baskets/[prefix]/+page.svelte
index c64133f..ac91dd4 100644
--- a/webapp/src/routes/baskets/[prefix]/+page.svelte
+++ b/webapp/src/routes/baskets/[prefix]/+page.svelte
@@ -20,7 +20,7 @@
 
     const functions = {
         refreshPage: async () => {
-            if (current_baskets.length > 0) {
+            if (current_baskets.filter(basket => basket.changed === true).length > 0) {
                 functions.saveAll()
             }
             const res = await fetch(`/api/baskets/${prefix.name}/${pagerForm.id_from}/${pagerForm.id_to}`);
diff --git a/webapp/src/routes/drawing/[prefix]/+page.svelte b/webapp/src/routes/drawing/[prefix]/+page.svelte
index fdbaee1..d264b94 100644
--- a/webapp/src/routes/drawing/[prefix]/+page.svelte
+++ b/webapp/src/routes/drawing/[prefix]/+page.svelte
@@ -19,7 +19,7 @@
 
     const functions = {
         refreshPage: async () => {
-            if (current_drawings.length > 0) {
+            if (current_drawings.filter(drawing => drawing.changed === true).length > 0) {
                 functions.saveAll()
             }
             const res = await fetch(`/api/combined/${prefix.name}/${pagerForm.id_from}/${pagerForm.id_to}`);
diff --git a/webapp/src/routes/tickets/[prefix]/+page.svelte b/webapp/src/routes/tickets/[prefix]/+page.svelte
index e136b43..bb68c15 100644
--- a/webapp/src/routes/tickets/[prefix]/+page.svelte
+++ b/webapp/src/routes/tickets/[prefix]/+page.svelte
@@ -19,7 +19,7 @@
 
     const functions = {
         refreshPage: async () => {
-            if (current_tickets.length > 0) {
+            if (current_tickets.filter(ticket => ticket.changed === true).length > 0) {
                 functions.saveAll();
             };
             const res = await fetch(`/api/tickets/${prefix.name}/${pagerForm.id_from}/${pagerForm.id_to}`);