FreeSWITCH DB In RAMdrive

From FreeSWITCH Wiki
Jump to: navigation, search

Contents

Introduction

Moving the ephemeral databases to a RAM disk will greatly improve performance, and it is CRITICAL to move them to a RAM disk if you use SSDs. More info on running FreeSWITCH on SSDs is here.

Discussion

Some Linux distros have quirks that cause SQLite to behave poorly when scaling up. In other cases, disk I/O becomes a bottleneck to FreeSWITCH performance. Putting the FreeSWITCH core.db file onto a RAM disk can increase performance.

Example

1) In /etc/fstab, add a mountpoint and save.

tmpfs    /usr/local/freeswitch/ramdb     tmpfs   defaults        0 0

2) Make sure you also create the directory.

mkdir /usr/local/freeswitch/ramdisk
mount -a

3) Then, in freeswitch/conf/autoload_configs/switch.conf.xml uncomment core-db-name and set it to the path you created in fstab.

<param name="core-db-name" value="/usr/local/freeswitch/ramdisk/core.db" />

4) Restart FreeSWITCH

See Also

Performance_testing_and_configurations#FreeSWITCH.27s_core.db_I.2FO_bottleneck