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Asked: 2026-06-08T13:33:54+00:00

I am trying to download a 7GB file using php-curl however it seems that

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I am trying to download a 7GB file using php-curl however it seems that it will only download the first 2GB.

There doesn’t seem to be any documentation or talk about this.

Anyone have any ideas?

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1 Answer

  1. Editorial Team

    Here are two useful links on the topic:

    Downloading a large file using curl

    How to partially download a remote file with cURL?

    Basically you may have two problems here:

    • You are reading into memory first as as such exhausting PHPs memory allocation
    • You need to chunk download the file to overcome certain restrictions in the HTTP protocol.

    There are also file sytem limitations and what not so check your file system type as mentioned by @ajreal (i.e. FAT32 has a limit of 4GB, 99% chance your not using FAT but still it is an example).

    As the OP found out it was do with the DB:

    Turns out it was a database issue. File sizes were stored in a mysql
    database, the sizes were in bytes and max size for “int” column is
    2147483648. Changing the column type to “bigint” fixed the issue.

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