Garacesh Posted November 9, 2015 Posted November 9, 2015 Meteor strikes? You been faffing with magic? Endermen hoarde?
localzuk Posted November 9, 2015 Author Posted November 9, 2015 None of them that I can tell. Something has also taken out Xalent's base now... :/ Might've been a hungry node randomly spawning.
Garacesh Posted November 9, 2015 Posted November 9, 2015 Wasn't me. I haven't been on at all today. Could you check my base please, see that it's not suffered the same fate?
Garacesh Posted November 9, 2015 Posted November 9, 2015 Danke. So who's been mucking around with Thaumcraft to be spawning nasty hungry nodes..? Isn't me. I've not touched it yet, besides mining a few shards out of the ground. Certainly not enough to cause that. I did chop down one Silverwood tree, but that was in the Magical Forest biome on the other side of the spawn area. So that's a bit of a distance away (plus there were lots of other Silverwood trees in the area so it should've have affected the balance too much..)
localzuk Posted November 9, 2015 Author Posted November 9, 2015 Ok guys, I have changed the server address. If I have missed someone with a PM with the new address please message me and I'll send you the new address.
localzuk Posted November 10, 2015 Author Posted November 10, 2015 Looking at the backup time, things should run a heck of a lot smoother - it now takes half the time to run a backup, so hopefully that speed improvement will trickle through to the game!
Geoff Posted November 10, 2015 Posted November 10, 2015 I'm guessing you threw more hardware at the problem (I ended up with 8 cores and 8gb of ram in the end when I ran mine last time).
localzuk Posted November 10, 2015 Author Posted November 10, 2015 Yeah. Its now on a 4Ghz CPU instead of a 2Ghz CPU... Clock speed seems to be most important for MC servers, as the main logic loop is pretty much single core. I've got up to 32GB RAM I can expand into, and 200GB of SSD space I can use too. If IO becomes an issue, I'll shift it over to a RAM disk too.
jedmondson Posted November 10, 2015 Posted November 10, 2015 I thought localzuk's one was is big reactor exploding. Installing linux java on my laptop and then i can play.
localzuk Posted November 10, 2015 Author Posted November 10, 2015 Nope! The reactor was fine after it all.
Geoff Posted November 10, 2015 Posted November 10, 2015 (edited) Yeah. Its now on a 4Ghz CPU instead of a 2Ghz CPU... Clock speed seems to be most important for MC servers, as the main logic loop is pretty much single core. Depends what you tell Java to do. Do you have the following on your JRE command line options? -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads= -XX:+AggressiveOpts In paticular this will enable multi threaded garbage collection. Also keep in mind you will have multithreaded chunk loading/unloading because you are using forge. Finally any mods should be written to take advantage of multi-cores even if the main game loop doesn't. If you are still having issues, you'd have to profile the server with Warmroast. Edited November 10, 2015 by Geoff
localzuk Posted November 10, 2015 Author Posted November 10, 2015 I hadn't tweaked those settings, no. I will do when I get home though!
Geoff Posted November 10, 2015 Posted November 10, 2015 When using SSDs, I found the ram drive (well putting everything in /dev/shm) only helped with the chunk loading (so if anyone starts using teleportation). It also complicates matters somewhat as you have to copy back from the ram drive to the disks every 30mins or so in case of a crash.
localzuk Posted November 10, 2015 Author Posted November 10, 2015 With a RAM disk, you only need to put the world itself on it really don't you? In which case, Aroma1997 Backups can handle the write-back for the most part. It'd only be manual restarts that would need a manual copy running - and that could be handled in the script used to launch the server anyway.
Geoff Posted November 10, 2015 Posted November 10, 2015 Yeah, I used to use this init script and it handled it all for me.
localzuk Posted November 11, 2015 Author Posted November 11, 2015 Anyone have any issues last night after I went offline? Seemed stable enough up to that point for me.
Garacesh Posted November 11, 2015 Posted November 11, 2015 Had a bit of jerkiness for me, but then again I was also in a video call so likely to do with that. Java is terribly inefficient with its memory usage but even with FTB on an SSD and 16GB RAM it takes about 2-3 minutes to load up, and I get about 5-8 seconds of "Stuck, can't do anything" when I login to the server. So it's more likely to have been bandwith issues or memory usage my end than to have been the server.
localzuk Posted November 11, 2015 Author Posted November 11, 2015 Had a bit of jerkiness for me, but then again I was also in a video call so likely to do with that. Java is terribly inefficient with its memory usage but even with FTB on an SSD and 16GB RAM it takes about 2-3 minutes to load up, and I get about 5-8 seconds of "Stuck, can't do anything" when I login to the server. So it's more likely to have been bandwith issues or memory usage my end than to have been the server. I get those delays when starting up also and sometimes a weird noise when entering the world. Minecraft/FTB is just a, well, beast of a piece of software! Not sure what'd cause the jerkiness other than your connection to be honest. I know I get some jerkiness when I turn my spawner on but generally switched off.
Garacesh Posted November 11, 2015 Posted November 11, 2015 Yeah, well like I say, I was in a video call (a-la skype, but via facebook) all night. So that was likely using up a decent chunk of my memory (Chrome isn't so great with memory in of itself, without using it for a two-way video stream)
Sephiroth Posted November 11, 2015 Posted November 11, 2015 Had a bit of jerkiness for me, but then again I was also in a video call so likely to do with that. Java is terribly inefficient with its memory usage but even with FTB on an SSD and 16GB RAM it takes about 2-3 minutes to load up, and I get about 5-8 seconds of "Stuck, can't do anything" when I login to the server. So it's more likely to have been bandwith issues or memory usage my end than to have been the server. I get those delays when starting up also and sometimes a weird noise when entering the world. Minecraft/FTB is just a, well, beast of a piece of software! Not sure what'd cause the jerkiness other than your connection to be honest. I know I get some jerkiness when I turn my spawner on but generally switched off. I tend to get this too, but had attributed it to being Java at my end. Seems fine once you get past the noise (I have been getting one roughly 50% of the time i log into the server) and the initial "can't do anything at all" lag.
LiamH Posted November 11, 2015 Posted November 11, 2015 I tend to get this too, but had attributed it to being Java at my end. Seems fine once you get past the noise (I have been getting one roughly 50% of the time i log into the server) and the initial "can't do anything at all" lag. Likewise I always go this, usually as someone is saying hi so I mess up the replay >.< I haven't been on since the server move so hopefully my base is okay.
Geoff Posted November 11, 2015 Posted November 11, 2015 I get the long load times + the inital lag after connection. The inital connection lag is due to the client getting the chunks loaded. The only way to fix this is to put your client on a ram disk.
LiamHaith Posted November 11, 2015 Posted November 11, 2015 Sadly, I've still been unable to get on. My computer seems to have a real problem with loading up the modpack in general (the game itself crashes on the splash screen) which is most bizarre. So I'm slowly looking into what's causing the problems.
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