# How do I index very large file?

**URL:** <https://www.ruby-forum.com/t/how-do-i-index-very-large-file/173921>\
**Category:** Ferret\
**Created:** [August 18, 2009, 9:36am UTC](https://www.ruby-forum.com/t/how-do-i-index-very-large-file/173921 "2009-08-18T09:36:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![femto](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/f/50afbb/32.png) [@femto](https://www.ruby-forum.com/u/femto)\
**Post date:** [August 18, 2009, 9:36am UTC](https://www.ruby-forum.com/t/how-do-i-index-very-large-file/173921/1 "2009-08-18T09:36:34Z")

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Hello all, I’m doing a monitor application,  
which fetches log file of application and indexing it,  
how do I index very large file?,  
like up to serveral GB. because the application logs  
may log very large file in short time.