Data set visualizer for tree based file systems

Apparatus, comprising:

• a processor;
• computer memory holding computer program instructions executed by the processor for performing database maintenance, the computer program instructions comprising:
• program code, operative to receive index information for data stored in a tree based file system running in a computer, the file system including a set of data blocks arranged in logical layers and a set of pointers within the set of data blocks which reference respective data blocks in different logical layers;
• program code, operative to parse the index information;
• program code, operative to build a model of the file system based on the parsed index information;
• program code, operative to display a graphical user interface having an index panel in which ones of a plurality of icons respectively represent ones of the set of data blocks and are arranged in layers representing the logical layers, wherein a broken index chain is presented the index panel showing a break between layers of the plurality of icons.

A computer program product in a non-transitory computer readable medium for use in a data processing system, the computer program product holding computer program instructions executed by the data processing system for performing database maintenance, the computer program instructions comprising:

• program code, operative to program code, operative to receive index information for data stored in a tree based file system running in a computer, the file system including a set of data blocks arranged in logical layers and a set of pointers within the set of data blocks which reference respective data blocks in different logical layers;
• program code, operative to parse the index information;
• program code, operative to build a model of the file system based on the parsed index information;
• and
• program code, operative to display a graphical user interface having an index panel in which ones of a plurality of icons respectively represent ones of the set of data blocks and are arranged in layers representing the logical layers, wherein a broken index chain is presented the index panel showing a break between layers of the plurality of icons.