Dienst Distributed Searching Improvements

(draft: do not copy or redistribute)

Track one

initial improvements for the release targeted for September 30, 1997

Problems we're trying to solve:

• searches take too long
• poor predictions of whether an indexer will respond before the timeout value
• continued research in distributed searching

details about the Indexer State Database (ISDB) and reliability metric

background and old design

proposed design

Track two

a simulator to inform future design decisions

further improvements (still in planning stage)

 

Phase statistics

• cs-tr.cs.cornell.edu from 1-Jan-96 to 30-Jun-96
• cs-tr.cs.cornell.edu from 1-Jul-96 to 31-Dec-96
• cs-tr.cs.cornell.edu from 1-Jan-97 to 30-Jun-97
• www.ncstrl.org from 31-Jul-96 to 28-Aug-97