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Turn time very high


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Hello all,

Just making the jump to tekkit lite today and the turn time (response MS) is very high compare to the old tekkit server.

This is a small server used by myself and 3 others but its a pretty decent set up(or at least i think it is):

ESXI 5.0 (patched)

ubuntu 12.04 server (patched, vm tools installed)

1 v-cpu (avg 12-15% used when everyone is on)

8 gigs of ram (java set to use up to 6 gig)

50 gigs hdd (datastore for this is on a ssd)

all cat6 cables

sun java 7

tekkit classic was 18ms

tekkit lite is over 1047ms

anyone else seeing a drop in reponse like this? i can seem to find anything by searching


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full hardware virtualisation is ALWAYS bad to run anything taxing on, which is why vmware performs this badly. I would suggest either running it completely natively or at most under openvz (which is what im doing). openvz is somewhat of a super-glorified BSD-jails. also if you want to kick it up a notch performance-wise for your general virtualisation, Id suggest looking into KVM/qemu.

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Well finally got a chance to create a test system and the results are really no better. Tekkit classic is around 20ms and tekkit lite is over 1000ms. im going to set up a windows test to see if it prduces the same results as ubuntu.


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hm how did you start the server by the way? there are parameters that help a little bit with performance:

java -server -Xmx6G -Xms6G -XX:+AggressiveOpts -XX:+DisableExplicitGC -XX:+UseG1GC -jar YOURJAR

works best with recent java7 since the G1 garbage collector received an overhaul during one of the early java7 updates

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