Help regarding cabinet SDK.

Hi all
I am having problem at a time of suing cabinet SDK.
I am using cabinet SDK for compressing and uncompresing files.
My problem is when i try to compress large folder, small compressed
files are getting created instead of one large zip file.
I don't know on what basis compression is getting divided.
Can some one tell me exact limit which cabinet sdk is using.
Please help me.
Thanks in advance.

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