Those are the Fallacies of Distributed Computing from L. Peter Deutsch. The first fallacy is "The network is reliable."
http://en.wikipedia.org/wiki/Fallacies_of_Distributed_Computing wunder On Sep 3, 2013, at 10:26 AM, Erick Erickson wrote: > Ah, thanks for the closure, it's always nice to know. I used to work > with a guy who had a list of "network fallacies", that amounted to > "you can't trust them fully".... > > Erick > > > On Tue, Sep 3, 2013 at 12:12 PM, Jared Griffith > <jgriff...@picsauditing.com>wrote: > >> I think I have it all sorted out. There are some weird network issues here >> where my test set up is, so that may have been part of the over all issue. >> Timeouts wouldn't have fixed this issue, that's for sure. >> >> >> On Sat, Aug 31, 2013 at 7:17 AM, Erick Erickson <erickerick...@gmail.com >>> wrote: >> >>> bq: Though I am seeing some funkiness that I wasn't seeing with Solr & >>> Zookeeper running together >>> >>> Then I suspect you've set something up inconsistently, _or_ you need to >>> extend some timeouts because SolrCloud is being run with separate ZKs by >>> quite a few people so I'd be surprised if it were anything except config >>> issues. >>> >>> If you _do_ uncover something in that realm other than timeouts and such, >>> we need to know.... >>> >>> Best, >>> Erick >>> >>> >>> >>> >>> On Fri, Aug 30, 2013 at 2:15 PM, Jared Griffith >>> <jgriff...@picsauditing.com>wrote: >>> >>>> That's what I was thinking. Though I am seeing some funkiness that I >>>> wasn't seeing with Solr & Zookeeper running together. >>>> >>>> >>>> On Fri, Aug 30, 2013 at 9:40 AM, Shawn Heisey <s...@elyograg.org> >> wrote: >>>> >>>>> On 8/30/2013 9:43 AM, Jared Griffith wrote: >>>>> >>>>>> One last thing. Is there any real benefit in running SolrCloud and >>>>>> Zookeeper separate? I am seeing some funkiness with the separation >>> of >>>>>> the >>>>>> two, funkiness I wasn't seeing when running SolrCloud + Zookeeper >>>> together >>>>>> as outlined in the Wiki. >>>>>> >>>>> >>>>> For a robust install, you want zookeeper to be a separate process. >> It >>>> can >>>>> run on the same server as Solr, but the embedded zookeeper (-DzkRun) >>>> should >>>>> not be used except for dev and proof of concept work. >>>>> >>>>> The reason is simple. Zookeeper is the central coordinator for >>>> SolrCloud. >>>>> In order for it to remain stable, it should not be restarted without >>>> good >>>>> reason. If you are running zookeeper as part of Solr, then you will >> be >>>>> affecting zookeeper operation anytime you restart that instance of >>> Solr. >>>>> >>>>> Making changes to your Solr setup often requires that you restart >> Solr. >>>>> This includes upgrading Solr and changing some aspects of its >>>>> configuration. Some configuration aspects can be changed with just a >>>>> collection reload, but others require a full application restart. >>>>> >>>>> Thanks, >>>>> Shawn >>>>> >>>>> >>>> >>>> >>>> -- >>>> >>>> Jared Griffith >>>> Linux Administrator, PICS Auditing, LLC >>>> P: (949) 936-4574 >>>> C: (909) 653-7814 >>>> >>>> <http://www.picsauditing.com> >>>> >>>> 17701 Cowan #140 | Irvine, CA | 92614 >>>> >>>> Join PICS on LinkedIn and Twitter! >>>> >>>> <https://twitter.com/PICSAuditingLLC> >>>> >>> >> >> >> >> -- >> >> Jared Griffith >> Linux Administrator, PICS Auditing, LLC >> P: (949) 936-4574 >> C: (909) 653-7814 >> >> <http://www.picsauditing.com> >> >> 17701 Cowan #140 | Irvine, CA | 92614 >> >> Join PICS on LinkedIn and Twitter! >> >> <https://twitter.com/PICSAuditingLLC> >> -- Walter Underwood wun...@wunderwood.org
