CommonSpot uses this naming convention to identify Search log files:
as shown in this /logs/search directory.
CommonSpot logs the following to /commonspot/logs/search:
reindex-[collection-name].log - Generated and maintained for each Verity search collection created at a site, these logs record reindexing events and errors, including collection creation, optimization, and timeouts. Each file contains date, time, path and language information. Each re-indexing operation or attempt overwrites the existing log file .
You can download PDF versions of the Content Contributor's, Administrator's, and Elements Reference documents from the support section of paperthin.com (requires login).