This sounds very much like bug described in 7.4 in http://www.sqlite.org/howtocorrupt.html, except for the SQLite version. Are you sure that it's version 3.6.14.2 and not newer?
Best regards, Filip Navara On Wed, Jun 19, 2013 at 9:09 PM, Dhiraj Sadhwani <sadhwan...@gmail.com>wrote: > Hello, > I have sqlite code amalgamation(version 3.6.14.2.) as a part of a > dylib/dll. > As part of exported apis from this dylib we open a sql session/connection > and keep it open for a longish duration and share the session handle among > different threads of the same process for doing transactions on the DB. > We do not use any other locks for transaction synchronization on the DB > apart from the default ones being used in the sqlite amalgamation code. > > Different versions of this dylib could be used by multiple processes to > access/perform-transactions on the same DB file at the same time. > > The DB generally is a small one with hardly 9-10 entries present at any > time at max, though it does lot of over-wrties/re-writes. > > Off-late I am observing transaction failures(though the frequency is quite > less) with error as: disk image of the DB being malformed and on running > integrity_check it reports following (2 of cases mentioned below) > > sqlite> pragma integrity_check; > *** in database main *** > Main freelist: freelist leaf count too big on page 9 > On tree page 2 cell 0: 2 of 3 pages missing from overflow list starting at > 10 > Page 11 is never used > Page 12 is never used > sqlite> .exit > ..... > ..... > sqlite> pragma integrity_check; > *** in database main *** > On tree page 11 cell 0: 1 of 2 pages missing from overflow list starting at > 9 > Page 10 is never used > sqlite> > > > Any idea if the usage above mentioned has a significant flaw. > I highly appreciate any help on what could be causing the issue and further > directions to probe on and avoid the issue. > > Thanks, > Dhiraj > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
