Hi,

 

I would like to know whether anyone have experienced this kind of phenomena.

 

We are having performance problem regarding query on stemmed value.

I've documented the symptoms which I'm currently facing:

 


Search on field content

Search on field spell

Highlighting (on content field)

Processing speed


active

active

Active

Slow


active

not active

Active

Fast


active

active

not active

Fast


not active

active

Active

Slow


not active

active

not active

Fast

 

*Fast means 1000x faster than "slow".

 

Field Content is our index field, which holds original text, and spell is
the field with stemmed value.

According to my measurement result, search on both fields (stemmed and not
stemmed) is really fast.

But when I start to take highlighting into our query it takes too long to
process.

 

Best Regards

Erwin

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