Hi,
I may be wrong, but because OpenJUMP works in memory and does not use
disk cache so I guess that having extra memory does not make it faster.
Right. OpenJUMP sometimes goes slower just before reaching max memory
revealing the high activity of garbage collector (but in this case, the
end is rarely happy)
If there is not enough memory the process just fails because of heap
memory error. However, 150M is not much. Try is inceasing it to 1500M
helps.
Yes, 150 is very low. Java sometimes fails to start if you give more
than 1350M (on recent jvm / windows).
The maximum with 32-bit jre is around that, if you want to use more
memory you must use 64-bit Java. Unfortunately some features in
OpenJUMP does not work with 64-bit jre.
ECW ? What else ?
34000 records is not much. What sort of operations are you running?
By the way, just a few days ago I was computing Voronoi diagram for
2.7 million points with 64-bit jre and 4 GB of memory and it took only
75 seconds to create the Thiessen polygons. I think it was pretty
fast. Great job, Michaël!
Just wrapped Martin's work ;-)
Michaël
-Jukka Rahkonen-
Asma ouqalli wrote:
Hello,
i have a problem with my openjump concerning memory, it's too slow to
execute plugins and do operations on my data that contains 34000
records per layer, in run configuration i used Xmx150M do i have to
add more memory in Xmx (my computer have 4Go of RAM)?
Thanks in advance
--
*Asma OUQALLI*
Élève ingénieur : 3ème Sciences d'Information Géographique (SIG).
Chef de commission développement professionnel - Rotaract EHTP.
Chef de cellule Media - Olympiades EHTP 2012.
Ecole Hassania des Travaux Publics.
Mobile : +212 672 48 23 15.
Email : asma.ouqa...@gmail.com <mailto:asma.ouqa...@gmail.com>
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Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester
Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the
endpoint security space. For insight on selecting the right partner to
tackle endpoint security challenges, access the full report.
http://p.sf.net/sfu/symantec-dev2dev
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