---
title: "Cache Memory"
slug: "cache-memory"
updated: 2023-03-24T17:24:25Z
published: 2023-03-24T17:24:25Z
canonical: "healthcare.rapididentity.com/cache-memory"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://healthcare.rapididentity.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Cache Memory

## Cache Memory

By default, the built in directory service cache will use half of the configured system memory.

This value can be adjusted by editing (or creating) the following registry key:

```
HKEY_LOCAL_MACHINE\SOFTWARE\HealthCast\ExactAccess\Override

MAXInternalDBCacheSizeInMB: reg_dword = 8192
```

On a machine with 32GB of RAM, you can allocate 24GB of RAM to the internal SSO directory service cache, leaving the remaining 8GB for other services by specifying the value:

```
MAXInternalDBCacheSizeInMB: reg_dword = 24576
```