Jeff Zhang commented on PIG-870:

I load gz files, and it works fine.

I also looked into the code, (PigSlicer, line 99), it seems pig won't split a 
gz file

 if (name.endsWith(".gz") || !splittable) {
                // Anything that ends with a ".gz" we must process as a complete
                // file
                slices.add(new PigSlice(name, funcSpec, 0, size));

> Pig is broken loading .gz files
> -------------------------------
>                 Key: PIG-870
>                 URL: https://issues.apache.org/jira/browse/PIG-870
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Olga Natkovich
>            Priority: Minor
> Looks like the code is trying to split a gz file which is not supported. In 
> general, gz is a poor choice for compression with Pig since the 
> parallelization is limitted to the number of files.

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