Multiple Disks Supports

Using multiple disks in parallel

**NOTE: AS OF VERSION 0.2, THIS FEATURE IS CURRENTLY NOT WORKING **

Introduction

!GraphChi supports loading the data from multiple disks in parallel, using striping.

Note: the multiple disks support is not currently well tested.

Configuration

1. Preprocess your graph data into shards by running bin/sharder_basic or running your program once (you can kill it after the preprocessing has ended).

2. Create a directory with D symbolic links that point to the directories on different hard-disks. The symbolic links should be named as follows: path-to-directory/ graphdisk1 ---> directory on disk 1 graphdisk2 ---> directory on disk 2 .. .. graphdiskD

You can rename "graphdisk" as you wish.

3. Copy the preprocessed files (graph-name.*) to each of the directories above.

4. Run GraphChi with following configuration

   multiplex D multiplex_root path-to-directory

Above, D is the number of disks and path-to-directory path to the directory containing the symbolic links.