amplab/tachyon — pull request #550 by shimingfei (2014-12-02 10:23:13+00:00)
Title: Merge hierarchy store 1

Merge hierarchy store into Tachyon, which supports storing data on both memory and other storage(SSD HDD etc), client side and RPC interface are also modified accordingly

JIRA:
https://tachyon.atlassian.net/browse/TACHYON-38
https://tachyon.atlassian.net/browse/TACHYON-39

Refer to PR#532