Please read up about these files here: http://digitalstain.blogspot.de/2010/10/neo4j-internals-file-storage.html http://www.neo4j.org/develop/internals
Am 07.05.2014 um 18:13 schrieb Rio Eduardo <[email protected]>: > Thanks for the explaination Peter! > > But I'm still curious and confused about all files in default.graphdb. Is > there any references that can explain me more about all files? or can you > explain me? > > For Example: > I found this 00ff ffff ffff ffff ff00 0000 0000 0100 in > neostore.nodestore.db. As I know the the length of each record of node store > is 9 bytes in length but it is 32 bytes in length. > > and what is nioneo_logical.log, tm_tx_log and store_lock file? What are they > for? Can I remove it like rrd file? > > Thank you. > Rio > > On Wednesday, May 7, 2014 10:06:27 PM UTC+7, Peter Neubauer wrote: > Rio, > the RRD (Round Robin Database) is just used to keep rolling statistics or the > legacy webadmin interface (the one in Neo4j 1.9+). Since it is rolling and > aggregating, it shouldn't grow to any bigger sizes. That is a bug, but then, > the whole things is getting deprecated. You can just delete the file and > restart Neo4j, should not matter other then the diagrams on the first screen > of Webadmin 1.9 being reset. > > /peter > > > G: neubauer.peter > S: peter.neubauer > P: +46 704 106975 > L: http://www.linkedin.com/in/neubauer > T: @peterneubauer > > Open Data - @mapillary > Open Source - @neo4j > Open Future - @coderdojo > > > On Wed, May 7, 2014 at 4:55 PM, Rio Eduardo <[email protected]> wrote: > I just read Graph Database Internals from Graph Databases book. It says Neo4j > stores graph data in a number of different store files. Each store file > contains the data for a specific part of the graph (e.g., nodes, > relationships, properties): > - node store is neostore.nodestore.db => 9 bytes in length > - relationship store is neostore.relationshipstore.db => 33 bytes in length > - property store is neostore.propertystore.db => 25 bytes in length > - property index store is neostore.propertystore.db.index => 9 bytes in length > - property dynamic string store is neostore.propertystore.db.strings => 13 + > blockSize bytes > - property dynamic array store is neostore.propertystore.db.arrays => 13 + > blockSize bytes > > I'm still confused why the size of rrd is always bigger than all of store > files that Neo4j use? > What is the content of rrd file actually? and how to open it? > And if rrd is useful, what is rrd file for? > > Thanks in advance. > Best regards, > Rio Eduardo > > -- > 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. > > > -- > 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. -- 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.
