Demo: Million songs

$ h5stat data/A/A/A/TRAAAAW128F429D538.h5                                                  [58/9363]
Filename: data/A/A/A/TRAAAAW128F429D538.h5
File information
        # of unique groups: 4
        # of unique datasets: 24
        # of unique named datatypes: 0
        # of unique links: 0
        # of unique other: 0
        Max. # of links to object: 1
        Max. # of objects in group: 16
File space information for file metadata (in bytes):
        Superblock extension: 0
        User block: 0
        Object headers: (total/unused)
                Groups: 1208/0
                Datasets(exclude compact data): 21224/64
                Datatypes: 0/0
        Groups:
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                Heap: 832
        Attributes:
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                Heap: 0
        Chunked datasets:
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        Datasets:
                Heap: 0
        Shared Messages:
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                B-tree/List: 0
                Heap: 0
Small groups:
        # of groups of size 3: 2
        # of groups of size 5: 1
        Total # of small groups: 3
Group bins:
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        # of groups of size 10 - 99: 1
        Total # of groups: 4
Dataset dimension information:
        Max. rank of datasets: 2
        Dataset ranks:
                # of dataset with rank 1: 22
                # of dataset with rank 2: 2
1-D Dataset information:
        Max. dimension size of 1-D datasets: 1
        Small 1-D datasets:
                # of dataset dimensions of size 0: 2
                # of dataset dimensions of size 1: 3
                Total small datasets: 5
        1-D Dataset dimension bins:
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                # of datasets of size 1 - 9: 3
                # of datasets of size 10 - 99: 7
                # of datasets of size 100 - 999: 10
                Total # of datasets: 22
Dataset storage information:
        Total raw data size: 209558
        Total external raw data size: 0
Dataset layout information:
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        Dataset layout counts[CONTIG]: 0
        Dataset layout counts[CHUNKED]: 24
        Number of external files : 0
Dataset filters information:
        Number of datasets with:
                NO filter: 0
                GZIP filter: 24
                SHUFFLE filter: 24
                FLETCHER32 filter: 0
                SZIP filter: 0
                NBIT filter: 0
                SCALEOFFSET filter: 0
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Dataset datatype information:
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                Size (desc./elmt) = (22/8)
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                Size (desc./elmt) = (2070/220)
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                Size (desc./elmt) = (14/4)
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                Size (desc./elmt) = (130/8)
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Small # of attributes:
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        # of objects with 5 attributes: 1
        # of objects with 8 attributes: 1
        Total # of objects with small # of attributes: 26
Attribute bins:
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        # of objects with 10 - 99 attributes: 2
        Total # of objects with attributes: 28
        Max. # of attributes to objects: 66