Both clusters have the following settings so, if that's related, I think there must be another contributing factor...
"discovery.zen.fd.ping_interval" : "1s", "discovery.zen.fd.ping_timeout" : "60s", "discovery.zen.fd.ping_retries" : "3", On 31 March 2015 at 07:32, Mark Walkom <markwal...@gmail.com> wrote: > You can try winding out the timeouts, see > http://www.elastic.co/guide/en/elasticsearch/reference/current/modules-discovery-zen.html#fault-detection > > On 31 March 2015 at 16:57, Neil Andrassy <neil.andra...@thefilter.com> > wrote: > >> It's probably something like that, but it only seems to be a problem with >> the more up to date version of ES. I'm keen to work out if there's a >> configuration option I can tweak in 1.4.4 to make ES more robust in this >> scenario or whether there's an issue around recovering dropped TCP >> connections between nodes in more recent versions. >> >> On Tuesday, 31 March 2015 03:33:18 UTC+1, Mark Walkom wrote: >>> >>> It's not the VPN reconnecting is it? >>> >>> On 31 March 2015 at 01:32, Neil Andrassy <neil.a...@thefilter.com> >>> wrote: >>> >>>> Hi, >>>> >>>> I have two independent clusters running across more or less the same >>>> machines. They're split across a pretty high bandwidth and relatively low >>>> latency VPN link. One cluster is running v1.0.1 and seems to stay up all >>>> the time. The other cluster is currently running 1.4.4 (and was running >>>> 1.4.2 before that) and seems to disconnect like clockwork every two hours. >>>> The disconnect of the nodes on one side of the link is brief, they rejoin >>>> and the recovery proceeds as normal. Any ideas what might cause this? Could >>>> it be data related? The newer cluster has more indexes & shards than the >>>> old, but the co-ordinators (3 of / min master count 2) don't seem >>>> particularly stressed. Any thoughts on what, specifically to look for or >>>> whether any particular setting or code change might make the cluster more >>>> susceptible to disconnect when there's a minor / brief network connectivity >>>> blip? >>>> >>>> (and yes, I know multi-site isn't a recommended configuration - there >>>> are other challenges for us with the tribe node approach too, though :( ) >>>> >>>> Thanks in advance for any ideas or insight. >>>> >>>> N >>>> >>>> -- >>>> 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 elasticsearc...@googlegroups.com. >>>> To view this discussion on the web visit https://groups.google.com/d/ >>>> msgid/elasticsearch/b00b8bda-9238-47e8-b0f2-3d4d6751b3c2% >>>> 40googlegroups.com >>>> <https://groups.google.com/d/msgid/elasticsearch/b00b8bda-9238-47e8-b0f2-3d4d6751b3c2%40googlegroups.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 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/793f13a8-9ca8-4d86-b194-47b4e9cd5125%40googlegroups.com >> <https://groups.google.com/d/msgid/elasticsearch/793f13a8-9ca8-4d86-b194-47b4e9cd5125%40googlegroups.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/FLsYRpcADEk/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/CAEYi1X_fbZXbP_iY4ZpJODXPmumh15CntRT6S4HaJdrvqv593A%40mail.gmail.com > <https://groups.google.com/d/msgid/elasticsearch/CAEYi1X_fbZXbP_iY4ZpJODXPmumh15CntRT6S4HaJdrvqv593A%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- Neil Andrassy | CTO | The Filter phone | +44 (0)1225 588 004 skype | andrassynp -- 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/CABpTWLMn8k_hbuRkh3s-ZmWqZd9s1POHzMQEuFFxWVugS5%3Dxng%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.