Hmm virtual machines might be difficult, esp. with the io indirection.
Your memory settings for the db are:
• Fri Oct 07 00:10:01 IST 2011: neostore.nodestore.db.mapped_memory=20M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.arrays.mapped_memory=130M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.index.keys.mapped_memory=1M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.index.mapped_memory=1M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.mapped_memory=90M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.strings.mapped_memory=130M
• Fri Oct 07 00:10:01 IST 2011:
neostore.relationshipstore.db.mapped_memory=100M
Can you change that so that it uses the rest of your memory (say 2GB).
• Fri Oct 07 00:10:01 IST 2011: neostore.nodestore.db.mapped_memory=200M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.arrays.mapped_memory=100M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.index.keys.mapped_memory=1M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.index.mapped_memory=1M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.mapped_memory=1000M
• Fri Oct 07 00:10:01 IST 2011:
neostore.propertystore.db.strings.mapped_memory=200M
• Fri Oct 07 00:10:01 IST 2011:
neostore.relationshipstore.db.mapped_memory=800M
See also:
http://docs.neo4j.org/chunked/snapshot/configuration.html
Could you also have a look at this:
http://wiki.neo4j.org/content/Linux_Performance_Guide
Is it possible to share your code/graphdb(generator) - also off-list. I'd like
to have a look.
Thanks
Michael
Am 06.10.2011 um 22:14 schrieb Guillaume ALLEE:
> Hi,
>
> Here are the answers I can give you quickly:
>
> How much memory does your machine have?
>> 5066 MB (from free -m)
>
> What kind of disk is in there?
>> I do not know, the machine is a VM provided by another department of my
> company. What I can tell you is that on my i5 laptop the same was taking 6-8
> minutes.
>
> Have you looked at the memory config for the neo4j db?
>> No I did only change the head size.
>
> What kind of scheduler do you use (please try deadline or as)?
>> it seems to be as.
>
> Can you please share the config and JVM info that is output at the head of
> graphdb/messages.log ?
>> see here http://pastebin.com/0geHdbNu
>
>
>
> --
> View this message in context:
> http://neo4j-community-discussions.438527.n3.nabble.com/Big-Traverser-perfomance-are-23-rels-per-milliseconds-good-tp3400711p3400925.html
> Sent from the Neo4j Community Discussions mailing list archive at Nabble.com.
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