Sort of... The ELK is running as a VM on a dedicated ESXi. Are there special configurations I should do in such a case?
Thanks, Yuval. On Thursday, February 12, 2015, Itamar Syn-Hershko <ita...@code972.com> wrote: > Yes - can you try using the bulk API? Also, are you running on a cloud > server? > > -- > > Itamar Syn-Hershko > http://code972.com | @synhershko <https://twitter.com/synhershko> > Freelance Developer & Consultant > Lucene.NET committer and PMC member > > On Thu, Feb 12, 2015 at 11:28 AM, Yuval Khalifa <iyuv...@gmail.com > <javascript:_e(%7B%7D,'cvml','iyuv...@gmail.com');>> wrote: > >> Hi, >> >> I wrote that program and ran it and it did managed to keep a steady rate >> of about 1,000 events per minute even when the Kibana's total events per >> minute dropped from 60,000 to 6,000. However, when the >> Kibana's total events per minute dropped to zero, my program got a >> "connection refused" exception. I ran netstat -s and found out that every >> time the Kibana's line hit zero the number of RX-DRP increased. At that >> point I understood that I forgot to mention that this server has a 10GbE >> nic. Is it possible that the packets are being dropped because of some >> bufferis filling up? If so, how can I test it and verify that this is >> actually the case? If it is, how can I solve it? >> >> Thanks, >> Yuval. >> On Wednesday, February 11, 2015, Yuval Khalifa <iyuv...@gmail.com >> <javascript:_e(%7B%7D,'cvml','iyuv...@gmail.com');>> wrote: >> >>> Hi. >>> >>> When you say "see how the file behaves" I'm not quite sure what you >>> mean by that... As I mentioned earlier, it's not that events do not appear >>> at all but instead, the RATE at which they come decreases, so how can I >>> measure the events rate in a file? I thought that there's another way that >>> I can test this: I'll write a quick-and-dirty program that will send an >>> event to the ELK via TCP every 12ms which should result in events rate of >>> about 5,000 events per minute and I'll let you know if the events rate >>> continues to drop or not... >>> >>> >>> Thanks, >>> Yuval. >>> >>> On Tuesday, February 10, 2015, Itamar Syn-Hershko <ita...@code972.com> >>> wrote: >>> >>>> I'd start by using logstash with input tcp and output fs and see how >>>> the file behaves. Same for the fs inputs - see how their files behave. And >>>> take it from there. >>>> >>>> -- >>>> >>>> Itamar Syn-Hershko >>>> http://code972.com | @synhershko <https://twitter.com/synhershko> >>>> Freelance Developer & Consultant >>>> Lucene.NET committer and PMC member >>>> >>>> On Tue, Feb 10, 2015 at 7:47 PM, Yuval Khalifa <iyuv...@gmail.com> >>>> wrote: >>>> >>>>> Great! How can I check that? >>>>> >>>>> >>>>> On Tuesday, February 10, 2015, Itamar Syn-Hershko <ita...@code972.com> >>>>> wrote: >>>>> >>>>>> The graphic you sent suggests the issue is with logstash - since the >>>>>> @timestamp field is being populated by logstash and is the one that is >>>>>> used >>>>>> to display the date histogram graphics in Kibana. I would start there. >>>>>> I.e. >>>>>> maybe SecurityOnion buffers writes etc, and then to check the logstash >>>>>> shipper process stats. >>>>>> >>>>>> -- >>>>>> >>>>>> Itamar Syn-Hershko >>>>>> http://code972.com | @synhershko <https://twitter.com/synhershko> >>>>>> Freelance Developer & Consultant >>>>>> Lucene.NET committer and PMC member >>>>>> >>>>>> On Tue, Feb 10, 2015 at 7:07 PM, Yuval Khalifa <iyuv...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> Hi. >>>>>>> >>>>>>> Absolutely (but since that in the past I also worked at the helpdesk >>>>>>> dept. I certainly understand why it is important to ask those "Are you >>>>>>> sure >>>>>>> it's plugged in?" questions...). One of the logs is comming from >>>>>>> SecurityOnion which logs (via bro-conn) all the connections so it must >>>>>>> be >>>>>>> sending data 24x7x365. >>>>>>> >>>>>>> Thanks for the quick reply, >>>>>>> Yuval. >>>>>>> >>>>>>> On Tuesday, February 10, 2015, Itamar Syn-Hershko < >>>>>>> ita...@code972.com> wrote: >>>>>>> >>>>>>>> Are you sure your logs are generated linearly without bursts? >>>>>>>> >>>>>>>> -- >>>>>>>> >>>>>>>> Itamar Syn-Hershko >>>>>>>> http://code972.com | @synhershko <https://twitter.com/synhershko> >>>>>>>> Freelance Developer & Consultant >>>>>>>> Lucene.NET committer and PMC member >>>>>>>> >>>>>>>> On Tue, Feb 10, 2015 at 6:29 PM, Yuval Khalifa <iyuv...@gmail.com> >>>>>>>> wrote: >>>>>>>> >>>>>>>>> Hi, >>>>>>>>> >>>>>>>>> We just installed an ELK server and configured the logstash >>>>>>>>> configuration to match the data that we send to it and until last >>>>>>>>> month it >>>>>>>>> seems to be working fine but since then we see very strange behavior >>>>>>>>> in the >>>>>>>>> Kibana, the event over time histogram shows the event rate at the >>>>>>>>> normal >>>>>>>>> level for about a half an hour, then drops to about 20% of the normal >>>>>>>>> rate >>>>>>>>> and then it continues to drop slowly for about two hours and then >>>>>>>>> stops and >>>>>>>>> after a minute or two it returns to normal for the next half an hour >>>>>>>>> or so >>>>>>>>> and the same behavior repeats. Needless to say that both the >>>>>>>>> /var/log/logstash and /var/log/elasticsearch both show nothing since >>>>>>>>> the >>>>>>>>> service started and by using tcpdump we can verify that events keep >>>>>>>>> coming >>>>>>>>> in at the same rate all time. I attached our logstash configuration, >>>>>>>>> the >>>>>>>>> /var/logstash/logstash.log, the >>>>>>>>> /var/log/elasticsearch/clustername.log and >>>>>>>>> a screenshot of our Kibana with no filter applied so that you can see >>>>>>>>> the >>>>>>>>> weird behavior that we see. >>>>>>>>> >>>>>>>>> Is there someone/somewhere that we can turn to to get some help on >>>>>>>>> the subject? >>>>>>>>> >>>>>>>>> >>>>>>>>> Thanks a lot, >>>>>>>>> Yuval. >>>>>>>>> >>>>>>>>> -- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "elasticsearch" group. >>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>> send an email to elasticsearch+unsubscr...@googlegroups.com. >>>>>>>>> To view this discussion on the web visit >>>>>>>>> https://groups.google.com/d/msgid/elasticsearch/c2e5a524-1ba6-4dc9-9fc3-d206d8f82717%40googlegroups.com >>>>>>>>> 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. >>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> >>>>>>> בברכה, >>>>>>> >>>>>>> *יובל כליפא* >>>>>>> >>>>>>> CTO >>>>>>> תחום מערכות מידע | מגדל סוכנויות. >>>>>>> נייד: 052-3336098 >>>>>>> משרד: 03-7966565 >>>>>>> פקס: 03-7976565 >>>>>>> בלוג: http://www.artifex.co.il >>>>>>> <https://owa.mvs.co.il/OWA/redir.aspx?C=2843559e53a94386b1211d26cb20f8ef&URL=http%3a%2f%2fwww.artifex.co.il%2f> >>>>>>> >>>>>>> *[image: תיאור: תיאור: cid:image003.png@01CBB583.C49AE5A0]* >>>>>>> >>>>>>> -- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "elasticsearch" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an email to elasticsearch+unsubscr...@googlegroups.com. >>>>>>> To view this discussion on the web visit >>>>>>> https://groups.google.com/d/msgid/elasticsearch/CADtR2A9-UtP5GJLORnVW%2BMowbB%2B0ZV%3DeDFMfN5u3xFPD2Zv5FQ%40mail.gmail.com >>>>>>> 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For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> בברכה, >>>>> >>>>> *יובל כליפא* >>>>> >>>>> CTO >>>>> תחום מערכות מידע | מגדל סוכנויות. >>>>> נייד: 052-3336098 >>>>> משרד: 03-7966565 >>>>> פקס: 03-7976565 >>>>> בלוג: http://www.artifex.co.il >>>>> <https://owa.mvs.co.il/OWA/redir.aspx?C=2843559e53a94386b1211d26cb20f8ef&URL=http%3a%2f%2fwww.artifex.co.il%2f> >>>>> >>>>> *[image: תיאור: תיאור: cid:image003.png@01CBB583.C49AE5A0]* >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "elasticsearch" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to elasticsearch+unsubscr...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/elasticsearch/CADtR2A8nvUiJE40Qssfhu%3DA3zG4bHOPgjL7adM-zr0xJw6R8zA%40mail.gmail.com >>>>> <https://groups.google.com/d/msgid/elasticsearch/CADtR2A8nvUiJE40Qssfhu%3DA3zG4bHOPgjL7adM-zr0xJw6R8zA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>>> 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 "elasticsearch" group. >>>> To unsubscribe from this topic, visit >>>> https://groups.google.com/d/topic/elasticsearch/cw7zEVTy09M/unsubscribe >>>> . >>>> To unsubscribe from this group and all its topics, send an email to >>>> elasticsearch+unsubscr...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/elasticsearch/CAHTr4ZuM4F3ZAaBadQPm8m4DGyZtnzdOOqtSM%3Dq_9BsWrbmPTg%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/elasticsearch/CAHTr4ZuM4F3ZAaBadQPm8m4DGyZtnzdOOqtSM%3Dq_9BsWrbmPTg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >>> -- >>> >>> בברכה, >>> >>> *יובל כליפא* >>> >>> CTO >>> תחום מערכות מידע | מגדל סוכנויות. >>> נייד: 052-3336098 >>> משרד: 03-7966565 >>> פקס: 03-7976565 >>> בלוג: http://www.artifex.co.il >>> <https://owa.mvs.co.il/OWA/redir.aspx?C=2843559e53a94386b1211d26cb20f8ef&URL=http%3a%2f%2fwww.artifex.co.il%2f> >>> >>> *[image: תיאור: תיאור: cid:image003.png@01CBB583.C49AE5A0]* >>> >>> >> >> -- >> >> בברכה, >> >> *יובל כליפא* >> >> CTO >> תחום מערכות מידע | מגדל סוכנויות. >> נייד: 052-3336098 >> משרד: 03-7966565 >> פקס: 03-7976565 >> בלוג: http://www.artifex.co.il >> <https://owa.mvs.co.il/OWA/redir.aspx?C=2843559e53a94386b1211d26cb20f8ef&URL=http%3a%2f%2fwww.artifex.co.il%2f> >> >> *[image: תיאור: תיאור: cid:image003.png@01CBB583.C49AE5A0]* >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elasticsearch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to 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