Thanks! I'm using Ubuntu, I think 14.x > On 09 Apr 2016, at 00:55, Andrey Lomakin <lomakin.and...@gmail.com> wrote: > > Hi Erik, > If system error happens (that is the only reason which we can think why it > was shutted down without any exceptions) your OS log should contain > information about > that error. > Which OS do you use ? > >> On Fri, Apr 8, 2016 at 3:48 PM Erik Pragt <erik.pr...@gmail.com> wrote: >> Hi Luca, >> >> I'm sorry, that was an error on my part: I changed that after the crash, >> before the crash it was on a very low setting, around 400. I'll change it >> back anyway! >> >> >> Erik >> >>> On 08 Apr 2016, at 20:10, Luca Garulli <l.garu...@orientdb.com> wrote: >>> >> >>> Hi Erik, >>> Do you have 2GB of RAM on that server? if this is the case, you cannot have >>> 8GB of RAM for the Diskcache: >>> >>> -Dstorage.diskCache.bufferSize=8192 >>> >>> So this must be the reason. This is the formula: >>> >>> diskcache + heap < available ram >>> >>> So with 1,5GB of free RAM, try these settings: >>> >>> MAXHEAP=-Xmx700m and -Dstorage.diskCache.bufferSize=512 >>> >>> Best Regards, >>> >>> Luca Garulli >>> >>> Founder & CEO >>> OrientDB >>> >>> >>> >>>> On 8 April 2016 at 10:14, Erik Pragt <erik.pr...@gmail.com> wrote: >>>> Hi Luca, >>>> >>>> Thanks for your response. >>>> >>>> - I'm running on Digital Ocean, 2 core 2 gig version. >>>> - Around 1500 mb. >>>> - What kind of swap do you mean? On an OS level? >>>> >>>> Thanks for the help! >>>> Erik >>>> >>>>> On Friday, April 8, 2016 at 5:39:06 PM UTC+10, l.garulli wrote: >>>>> Hi Erik, >>>>> >>>>> If OrientDB dies with no log, it means the OS killed it. The most common >>>>> reason is the out of memory. >>>>> >>>>> Look at: >>>>> http://stackoverflow.com/questions/726690/who-killed-my-process-and-why >>>>> >>>>> A few questions for you: >>>>> How much physical RAM do you have on that server and >>>>> How much is available before you start OrientDB server? >>>>> Did you configure any swap for your server? >>>>> >>>>> Best Regards, >>>>> >>>>> Luca Garulli >>>>> Founder & CEO >>>>> OrientDB >>>>> >>>>> >>>>>> On 8 April 2016 at 09:34, Luigi Dell'Aquila <luigi.de...@gmail.com> >>>>>> wrote: >>>>>> Hi Erik, >>>>>> >>>>>> It's hard to give you an answer here, this is the first report we have >>>>>> from a system that crashes without emitting any logs at all. >>>>>> In other cases, when we had an unexpected crash with few information, it >>>>>> was because of some OS related procedures (eg. process kill under heavy >>>>>> load), but also in that case we had a log stating that the server was >>>>>> killed. >>>>>> >>>>>> Could you please share your logs? Maybe we will find some hints in the >>>>>> history >>>>>> >>>>>> Thanks >>>>>> >>>>>> Luigi >>>>>> >>>>>> >>>>>> 2016-04-08 2:18 GMT+02:00 Erik Pragt <erik....@gmail.com>: >>>>>>> Btw, running OrientDB 2.1.9. >>>>>>> >>>>>>> >>>>>>>> On Friday, April 8, 2016 at 10:05:33 AM UTC+10, Erik Pragt wrote: >>>>>>>> Hi all, >>>>>>>> >>>>>>>> As the question title suggests, our OrientDB database crashed today. >>>>>>>> We got notified by our monitoring server that our sites aren't >>>>>>>> accepting any requests anymore, which was quickly traced to OrientDB >>>>>>>> being unavailable, i.e., not running anymore. >>>>>>>> >>>>>>>> However, when checking the logs (orientdb.err/orientdb.log), there was >>>>>>>> no indication at all of any crash. What can I do to investigate this >>>>>>>> issue, and, even better, prevent OrientDB from crashing again? This >>>>>>>> isn't the first time OrientDB crashes, but usually it's with an >>>>>>>> OutOfMemory exception, which we fixed(?) by giving it more memory. >>>>>>>> Currently, the DB hardly does anything (1 request per 10 seconds?), >>>>>>>> and we're a bit worried that once we do get some requests, that >>>>>>>> OrientDB might crash more often. >>>>>>>> >>>>>>>> Our current settings to run OrientDB look like this: >>>>>>>> >>>>>>>> ORIENTDB_SETTINGS="-Dprofiler.enabled=true" >>>>>>>> JAVA_OPTS_SCRIPT="-Djna.nosys=true -XX:+HeapDumpOnOutOfMemoryError >>>>>>>> -Djava.awt.headless=true -Dfile.encoding=UTF8 -Drhino.opt.level=9" >>>>>>>> >>>>>>>> # ORIENTDB MAXIMUM HEAP. USE SYNTAX -Xmx<memory>, WHERE <memory> HAS >>>>>>>> THE TOTAL MEMORY AND SIZE UNIT. EXAMPLE: -Xmx512m >>>>>>>> MAXHEAP=-Xmx1024m >>>>>>>> # ORIENTDB MAXIMUM DISKCACHE IN MB, EXAMPLE, ENTER >>>>>>>> -Dstorage.diskCache.bufferSize=8192 FOR 8GB >>>>>>>> #MAXDISKCACHE="" >>>>>>>> MAXDISKCACHE="-Dstorage.diskCache.bufferSize=8192" >>>>>>>> >>>>>>>> If we need to provide some more information, please let me know. >>>>>>>> >>>>>>>> Kind regards, >>>>>>>> >>>>>>>> Erik Pragt >>>>>>> >>>>>>> -- >>>>>>> >>>>>>> --- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "OrientDB" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>>>> an email to orient-databa...@googlegroups.com. >>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>>> -- >>>>>> >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "OrientDB" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>>> an email to orient-databa...@googlegroups.com. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>> >>>> -- >>>> >>>> --- >>>> You received this message because you are subscribed to the Google Groups >>>> "OrientDB" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to orient-database+unsubscr...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>> >>> -- >>> >>> --- >> >>> You received this message because you are subscribed to a topic in the >>> Google Groups "OrientDB" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/orient-database/Xith1NqSX0k/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> orient-database+unsubscr...@googlegroups.com. >> >>> >>> For more options, visit https://groups.google.com/d/optout. >> >> -- >> >> --- >> You received this message because you are subscribed to the Google Groups >> "OrientDB" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to orient-database+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. > > -- > Best regards, > Andrey Lomakin, R&D lead. > OrientDB Ltd > > twitter:@Andrey_Lomakin linkedin:https://ua.linkedin.com/in/andreylomakin > -- > > --- > You received this message because you are subscribed to a topic in the Google > Groups "OrientDB" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/orient-database/Xith1NqSX0k/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > orient-database+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout.
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