It is very slow when reading low-level tiles of large images

[chenjiandong1983]

When reading tiles from large image data (greater than 10GB), it will be very slow when reading low-level tiles. This image has a pyramid file with ovr, and the Reader.tile() method is used. Are there any other ways for as to solve the above problems?

[vincentsarago]

Dear @chenjiandong1983

Please be more descriptive when opening an issue.

What slow means?
Can you share you're file?
What is your environment?
What version of rio-tiler/rasterio are you using?
Do you correctly set your env variable? https://developmentseed.org/titiler/advanced/performance_tuning/