Hi Chris, Thanks for your reply. Sometimes I didn't shut down the database cleanly in embedded server script. Is there any way to restore this from neo4j itself? Or is it okay for me to truncate the useless zeros by hand?
Best Wishes, Jer On Saturday, September 13, 2014 7:14:32 PM UTC-4, Chris Vest wrote: > > Did you shut the database down cleanly before looking at the files? The > database grabs space for new records in chunks, and then truncates unused > space off the end of the files on clean shut downs. > > -- > Chris Vest > System Engineer, Neo Technology > [ skype: mr.chrisvest, twitter: chvest ] > > > On 13 Sep 2014, at 20:35, jer <[email protected] <javascript:>> wrote: > > Hi alll, > > I'm playing around with the neo4j store files. What I do is to import the > movie graph provided by neo4j. It has roughly 100 nodes, given that each > node take 14 bytes, I expect the node store file takes around 1kB. However, > the data file takes more than 200kB of space. When I look at the file in > hex editor, it seems that only the starting of the file has node contents. > The remaining of the file is just all zeros. So it is the situation in > other store files. Could anyone give any hint on why this is the case? Why > the real data takes only less than 1% of the store file and what benefit > does it provide? > > Thanks! > Jer > > -- > You received this message because you are subscribed to the Google Groups > "Neo4j" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > For more options, visit https://groups.google.com/d/optout. > > > -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
