The upgrade to DocuShare 4.0.1 from 4.0 eliminates the requirement for DocuShare to be in Read-Only mode while dsindex -a index_all is running. Previously, a new document was neither indexed, nor was an abstract summary generated if the document was added while dsindex index_all was running.
NOTE: This is the same as rebuilding the search indexes with the dsindex -a index_all command. Depending on the type of data stored in DocuShare, this change may increase the length of time for dsindex index_all to complete.