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About L2j dataflow


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Hi, i want ask those who have experience with servers with 1000ppl online. How much dataflow i need in mouth for that many ppl? how much it eats :)

 

i asking because datacenter wants know limit for data in my cause :)

 

so my question is: How much data eats 1000ppl online in everyday in one mouth?

 

thanks :)

 

 

 

 

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you need 200 gb bandwitdth for sure.

 

well minimum in my datacenter is 500GB so you think it will be enough? :)

 

btw i bought today server, its enough for L2j server with max 1000ppl?

2x Xeon 3.0Ghz

8x GB DDR2 ECC

2x 72GB SCSI HDD

 

:)

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Even best hardware wont guarantee big online without lags.

 

Server files quality is also really important thing.

 

Example, we had (me with my friend) about 1600 online without lags at this hardware:

 

Intel® Core™ i7-920 Quadcore

incl. Hyper-Threading Technology

• OS: Linux Debian 5 (64 bit)

 

• RAM: 24 GB DDR3 RAM

 

• HDD 2 x 1500 GB SATA-II HDD(Software-RAID 1)

 

• Connection: 1Gbit Uplink Public Internet

 

• Cisco Hardware Firewall

 

• Location Niemcy

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Even best hardware wont guarantee big online without lags.

 

Server files quality is also really important thing.

 

Example, we had (me with my friend) about 1600 online without lags at this hardware:

 

 

you run L2j or OFF? :) well i bought that server from company so it was cheap and for my first server is good for start :)

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We had our records (without lags) with common L2J + loot our fixes, but still it was only pure l2jserver.

 

Now its L2DC.

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We had our records (without lags) with common L2J + loot our fixes, but still it was only pure l2jserver.

 

Now its L2DC.

 

It is not L2DC...

 

 

 

 

Hi, i want ask those who have experience with servers with 1000ppl online. How much dataflow i need in mouth for that many ppl? how much it eats :)

 

i asking because datacenter wants know limit for data in my cause :)

 

so my question is: How much data eats 1000ppl online in everyday in one mouth?

 

thanks :)

 

About 500Gb monthly bandwidth at least, 1000Gb recommended. For good online (max 2k) your hardware is fine with pure l2j.

I suggest Hetzner.de (where EQ4 can hold 2k for sure).

 

Files do not really matter, you just need a good connection and very careful MySQL config (also install MySQL on your second hard drive, all alone) and increased heap sized in java + better garbage collection @ gameserver start scripts.

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The dataflow calculation isnt an easy matter, so stick with experimental values from the guys above. Keep in mind the dataflow is not a linear function of the player count. If 200 players need X GB, then 400 wont need 2X but much more. Other factors that affect it is custom codes that you implemented and need to send packets.

 

 

Files do not really matter, you just need a good connection and very careful MySQL config (also install MySQL on your second hard drive, all alone) and increased heap sized in java + better garbage collection @ gameserver start scripts.

 

The datacenter needs the bandwidth of the user cause they rent network lines from ISP not based on the line capacity but based on the bandwidth they use in these lines. ISP's rent bandwidth as their objective is to keep good QoS for their customers.

 

MySQL wont affect the dataflow, if it is in the same server as gameserver/loginserver. Garbage collection wont either. Dunno why you posted those ...

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I posted them for increased online count anyway, since people believe that server lags because of the connection capacity when its not. I heard complains from ppl where the server lagged with 50 online and after I did my magic, server reached 1k+ with no lag at all.

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Relax David Copperfield :)

 

We gotta keep a good discussion about garbage collector tunning in here, ill post some info and some questions i have later on. Its an interesting topic :) (On the meanwhile reading Java performance tunning 2nd edition, so as not to say anything stupid online :) ).

 

I feel it would be cool to create an advanced guide on performance tunning ( not necessarily only GC ) that will give a way so as ppl can know what to tune while taking into account their machine setup their population count etc. More later :)

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install mysql server in a different machine than server. maybe 2 more little machines are cheapest than a big machine.

Btw, search old l2jserver forum for nitrozik's guide about how to support 1000 players (and the guide was made when l2jserver files wasnt so good as the current ones)

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