Re: [Neo4j] Slow down on insertion as db grow

2011-03-03 Thread Tobias Ivarsson
Hi Massimo, I'm terribly sorry, I've had a lot of things on my plate, and this sadly fell off. Thanks for the reminder! Could you please try lowering the heap size (to somewhere between 512M-1G with your available RAM). The Neo4j memory mapping is managed outside of the Java heap. What you want t

Re: [Neo4j] Slow down on insertion as db grow

2011-03-03 Thread Massimo Lusetti
On Fri, Feb 18, 2011 at 2:31 PM, Tobias Ivarsson wrote: > WRT the slowdown you've seen, I'll have to investigate that further. Didn't mean to bother anyone but do you have any news regarding the slowdown I'm still experiencing... !? Cheers -- Massimo http://meridio.blogspot.com ___

Re: [Neo4j] Slow down on insertion as db grow

2011-02-21 Thread Massimo Lusetti
On Fri, Feb 18, 2011 at 2:31 PM, Tobias Ivarsson wrote: > I recently (yesterday) committed a new feature for Neo4j that will store > these kinds of short strings, making Neo4j store them without having to > involve the DynamicStringStore at all. You should see a substantial speedup > from using t

Re: [Neo4j] Slow down on insertion as db grow

2011-02-18 Thread Tobias Ivarsson
On Thu, Feb 17, 2011 at 3:32 PM, Massimo Lusetti wrote: > I'm trying to populate the DB with Nodes with only one String > property, an IPv4 address. This is just a test case for my typical use > case and it shows that when the process starts the first 440744 nodes > are going in at a speed of 1.0

[Neo4j] Slow down on insertion as db grow

2011-02-17 Thread Massimo Lusetti
On Thu, Feb 17, 2011 at 3:10 PM, Johan Svensson wrote: > Massimo, you had problems with injection that created duplicates due > to a synchronization issue. That issue has been resolved and now you > are experiencing a slowdown during batch inserter injection? Yep, as I said I basically had saw b