diff --git a/src/config.ts b/src/config.ts
index ca9622a3..8b0f6deb 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -101,6 +101,7 @@ type StorageConfigType = {
   rateLimiterRedisCommandTimeout: number
   uploadSignedUrlExpirationTime: number
   tusUrlExpiryMs: number
+  tusMaxConcurrentUploads: number
   tusPath: string
   tusPartSize: number
   tusUseFileVersionSeparator: boolean
@@ -231,6 +232,10 @@ export function getConfig(options?: { reload?: boolean }): StorageConfigType {
       getOptionalConfigFromEnv('TUS_URL_EXPIRY_MS') || (1000 * 60 * 60).toString(),
       10
     ),
+    tusMaxConcurrentUploads: parseInt(
+      getOptionalConfigFromEnv('TUS_MAX_CONCURRENT_UPLOADS') || '500',
+      10
+    ),
     tusUseFileVersionSeparator:
       getOptionalConfigFromEnv('TUS_USE_FILE_VERSION_SEPARATOR') === 'true',
 
diff --git a/src/http/routes/tus/index.ts b/src/http/routes/tus/index.ts
index ed6f64a9..988f724b 100644
--- a/src/http/routes/tus/index.ts
+++ b/src/http/routes/tus/index.ts
@@ -61,7 +61,7 @@ function createTusStore() {
       partSize: tusPartSize * 1024 * 1024, // Each uploaded part will have ${tusPartSize}MB,
       expirationPeriodInMilliseconds: tusUrlExpiryMs,
       cache: new AlsMemoryKV(),
-      maxConcurrentPartUploads: 100,
+      maxConcurrentPartUploads: 500,
       s3ClientConfig: {
         requestHandler: new NodeHttpHandler({
           ...agent,
diff --git a/src/storage/object.ts b/src/storage/object.ts
index 58738145..ff9441d4 100644
--- a/src/storage/object.ts
+++ b/src/storage/object.ts
@@ -33,6 +33,7 @@ interface CopyObjectParams {
   destinationKey: string
   owner?: string
   copyMetadata?: boolean
+  upsert?: boolean
   conditions?: {
     ifMatch?: string
     ifNoneMatch?: string
@@ -280,6 +281,7 @@ export class ObjectStorage {
     owner,
     conditions,
     copyMetadata,
+    upsert,
   }: CopyObjectParams) {
     mustBeValidKey(destinationKey)
 
@@ -310,7 +312,7 @@ export class ObjectStorage {
       bucketId: destinationBucket,
       objectName: destinationKey,
       owner,
-      isUpsert: false,
+      isUpsert: upsert,
     })
 
     try {
@@ -325,14 +327,42 @@ export class ObjectStorage {
 
       const metadata = await this.backend.headObject(storageS3Bucket, s3DestinationKey, newVersion)
 
-      const destObject = await this.db.createObject({
-        ...originObject,
-        bucket_id: destinationBucket,
-        name: destinationKey,
-        owner,
-        metadata,
-        user_metadata: copyMetadata ? originObject.user_metadata : undefined,
-        version: newVersion,
+      const destinationObject = await this.db.asSuperUser().withTransaction(async (db) => {
+        await db.waitObjectLock(destinationBucket, destinationKey, undefined, {
+          timeout: 3000,
+        })
+
+        const existingDestObject = await db.findObject(
+          this.bucketId,
+          destinationKey,
+          'id,name,metadata,version,bucket_id',
+          {
+            dontErrorOnEmpty: true,
+            forUpdate: true,
+          }
+        )
+
+        const destinationObject = await db.upsertObject({
+          ...originObject,
+          bucket_id: destinationBucket,
+          name: destinationKey,
+          owner,
+          metadata,
+          user_metadata: copyMetadata ? originObject.user_metadata : undefined,
+          version: newVersion,
+        })
+
+        if (existingDestObject) {
+          await ObjectAdminDelete.send({
+            name: existingDestObject.name,
+            bucketId: existingDestObject.bucket_id,
+            tenant: this.db.tenant(),
+            version: existingDestObject.version,
+            reqId: this.db.reqId,
+          })
+        }
+
+        return destinationObject
       })
 
       await ObjectCreatedCopyEvent.sendWebhook({
@@ -345,7 +375,7 @@ export class ObjectStorage {
       })
 
       return {
-        destObject,
+        destObject: destinationObject,
         httpStatusCode: copyResult.httpStatusCode,
         eTag: copyResult.eTag,
         lastModified: copyResult.lastModified,
diff --git a/src/storage/protocols/s3/s3-handler.ts b/src/storage/protocols/s3/s3-handler.ts
index c6133aca..c6340529 100644
--- a/src/storage/protocols/s3/s3-handler.ts
+++ b/src/storage/protocols/s3/s3-handler.ts
@@ -996,6 +996,7 @@ export class S3ProtocolHandler {
       destinationBucket: Bucket,
       destinationKey: Key,
       owner: this.owner,
+      upsert: true,
       conditions: {
         ifMatch: command.CopySourceIfMatch,
         ifNoneMatch: command.CopySourceIfNoneMatch,
diff --git a/src/storage/protocols/tus/postgres-locker.ts b/src/storage/protocols/tus/postgres-locker.ts
index fac00567..a3d3a2d6 100644
--- a/src/storage/protocols/tus/postgres-locker.ts
+++ b/src/storage/protocols/tus/postgres-locker.ts
@@ -53,21 +53,24 @@ export class PgLock implements Lock {
       this.db
         .withTransaction(async (db) => {
           const abortController = new AbortController()
-          const acquired = await Promise.race([
-            this.waitTimeout(15000, abortController.signal),
-            this.acquireLock(db, this.id, abortController.signal),
-          ])
 
-          abortController.abort()
-
-          if (!acquired) {
-            throw ERRORS.LockTimeout()
+          try {
+            const acquired = await Promise.race([
+              this.waitTimeout(5000, abortController.signal),
+              this.acquireLock(db, this.id, abortController.signal),
+            ])
+
+            if (!acquired) {
+              throw ERRORS.LockTimeout()
+            }
+
+            await new Promise<void>((innerResolve) => {
+              this.tnxResolver = innerResolve
+              resolve()
+            })
+          } finally {
+            abortController.abort()
           }
-
-          await new Promise<void>((innerResolve) => {
-            this.tnxResolver = innerResolve
-            resolve()
-          })
         })
         .catch(reject)
     })