Why \ManageEngine\EventLog\Data folder size is very big ? And how to reduce this folder to make sure enough space to keep log ?

Why \ManageEngine\EventLog\Data folder size is very big ? And how to reduce this folder to make sure enough space to keep log ?

Hi All

Why \ManageEngine\EventLog\Data folder size is very big  It more than Index folder,and  what type file store in this folder?
How to reduce this folder to make sure enough space to keep log ?

below is our ELA information

Our ELA server collect  50 syslog device and 40 windows server.

Build Version : 9.0
Build Number : 9002
DataBase : MSSQL
Build Date : Jun_03
Build Type : 64bit
Language of Installation : Engilsh

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