Johan,

Sorry for the unresponsiveness... things have gone insane at work (in a good 
way) and I haven't had a chance to look into this. I should have some time in 
the next couple of days to get you the information you've asked for.

As far as memory goes, there's 16GB on the machine.

Cheers,
Bob

On 2011-04-26, at 3:53 AM, Johan Svensson wrote:

> Bob,
> 
> How much RAM does the machine have?
> 
> On Thu, Apr 21, 2011 at 9:53 PM, Bob Hutchison <hutch-li...@recursive.ca> 
> wrote:
>> 
>>>> ./run ../store logfile 33 1000 5000 100
>> tx_count[100] records[298245] fdatasyncs[100] read[9.386144 MB] 
>> wrote[18.772287 MB]
>> Time was: 199.116
>> 0.5022198 tx/s, 1497.8455 records/s, 0.5022198 fdatasyncs/s, 48.270412 kB/s 
>> on reads, 96.540825 kB/s on writes
> 
> This run shows poor performance and vmstat output indicates wait times
> are rising. Could you please check the number of dirty and writeback
> pages during a run with poor performance? See
> http://wiki.neo4j.org/content/Linux_Performance_Guide last part. I
> suspect this is due to Linux kernel writing out pages to disk when it
> should not (killing performance on the sequential writes to the log).
> 
> Regards,
> Johan
> _______________________________________________
> Neo4j mailing list
> User@lists.neo4j.org
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----
Bob Hutchison
Recursive Design Inc.
http://www.recursive.ca/
weblog: http://xampl.com/so




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