logsettings.java

//For complete examples and data files, please go to https://github.com/groupdocs-search/GroupDocs.Search-for-Java
String indexFolder = "c:\\MyIndex";
String documentFolder = "c:\\MyDocuments";
//Creating index
Index index = new Index(indexFolder);
//Setting the log file name. The log file name can be relative or absolute.
index.getLogSettings().setFileName("Log\\Log.txt");
//Setting the maximum size of the log file in megabytes. This value must be in the range from 0.1 to 1000.
index.getLogSettings().setMaxSize(2.0);
//Adding documents to index
index.addToIndex(documentFolder);
//Searching
SearchResults results = index.search("big");