Yes you are right about it but when I tried to mount a place as tmpfs, its type seemed swap just like /tmp. The speed seems to be same with /tmp. What I need to increase the speed for /tmp or another solution for in-memory database.
Serdar On Wed, Nov 4, 2009 at 10:56 AM, Stephan Wehner <stephanweh...@gmail.com>wrote: > On Wed, Nov 4, 2009 at 12:51 AM, Serdar Genc <serdar.g...@gmail.com> > wrote: > > The OS that I am implementing this is SunOS and I have already tried > doing > > it by creating the file in /tmp but > > but because of file I/O operations to reach /tmp. The speed of sqlite is > > significantly slow (memory is 5 times faster than file system). Speed of > > Sqlite is important for me. That's why I still working on the memory > issue. > > > > Hi there, > > /tmp is not the same as tmpfs -- tmpfs is a file system that stores > files in RAM, but looks otherwise like any other file system. > > On SunOS it should be straightforward; that wiki page says "SunOS, and > later Solaris, include probably the earliest implementations of > tmpfs". > > Stephan > > > Thanks for the answer, > > Serdar Genc > > > > On Wed, Nov 4, 2009 at 10:45 AM, Stephan Wehner <stephanweh...@gmail.com > >wrote: > > > >> On Wed, Nov 4, 2009 at 12:27 AM, Serdar Genc <serdar.g...@gmail.com> > >> wrote: > >> > Hello everyone, > >> > > >> > I have a little bit problem about in-memory database feature of > SQLite. I > >> > would like to use two programming languages in my application . > >> > These languages will be Java and C++. I would like to reach the same > >> > database in memory by using both. I used Xerial for JDBC for Java. > >> > Everything seems fine if I am using a regular file on harddrive. I can > >> write > >> > data from C++ process and read these data from Java. > >> > But when I try to do this for in-memory, everything is getting chunky. > A > >> new > >> > database is being created in memory for every attempt to open > >> > database in memory. Now I am trying to switch the database handler > >> between > >> > C++ and Java. It requires some efforts. > >> > > >> > What I want to try to reach the same database in memory from two > threads > >> or > >> > processes and these would be in different programming languages. > >> > Any different idea how to implement this is appreciated.. > >> > >> Can you use a RAM based file system? > >> > >> http://en.wikipedia.org/wiki/Tmpfs > >> > >> Stephan > >> > >> > Thanks in advance, > >> > Serdar Genc > >> > _______________________________________________ > >> > sqlite-users mailing list > >> > sqlite-users@sqlite.org > >> > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > >> > > >> > >> > >> > >> -- > >> Stephan Wehner > >> > >> -> http://stephan.sugarmotor.org (blog and homepage) > >> -> http://loggingit.com > >> -> http://www.thrackle.org > >> -> http://www.buckmaster.ca > >> -> http://www.trafficlife.com > >> -> http://stephansmap.org -- http://blog.stephansmap.org > >> _______________________________________________ > >> 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 > > > > > > -- > Stephan Wehner > > -> http://stephan.sugarmotor.org (blog and homepage) > -> http://loggingit.com > -> http://www.thrackle.org > -> http://www.buckmaster.ca > -> http://www.trafficlife.com > -> http://stephansmap.org -- http://blog.stephansmap.org > _______________________________________________ > 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
