---
title: "MemcacheSessionStorageOptions"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/session-storage-memcache/src/lib/memcache-storage.ts#L13"
---

# MemcacheSessionStorageOptions

## Summary

Options for Memcache-backed session storage.

## Signature

```ts
interface MemcacheSessionStorageOptions {
  keyPrefix?: string
  ttlSeconds?: number
  useUnknownIds?: boolean
}

```

## Properties

### `keyPrefix`

Prefix prepended to all session keys in Memcache.
Default is `'remix:session:'`.

### `ttlSeconds`

Session TTL in seconds.
Default is `0` (never expire).

### `useUnknownIds`

Whether to reuse session IDs sent from the client that are not found in storage.
Default is `false`.