Thanks Tilman, It makes sense to reduce the sampling rate of the schema for "Datensparsamkeit and faster queries". However, if you don't specifically need MySQL, and are fine querying through Hive, we could continue storing all events at the current 1% rate in Hadoop.
On Mon, Jan 4, 2016 at 11:28 AM, Tilman Bayer <[email protected]> wrote: > Hi Marcel, > > yes, this is to be expected, because the schema is now logging more > kinds of events than before. However, we could reduce the sampling > rate considerably, as JonR and I had already envisaged > (https://phabricator.wikimedia.org/T120292#1854136 ; this got lost a > bit among the other schema changes, cf. > https://phabricator.wikimedia.org/T120292#1864549 ). > > On Sun, Jan 3, 2016 at 12:30 PM, Marcel Ruiz Forns <[email protected]> > wrote: > > BTW, MobileWebSectionUsage schema is sending a lot of events since Dec > 18, > > 2015. > > It normally would send around 40 events per second, and it's sending > around > > 120 events per second now. It's now the highest throughput schema in EL > by > > far. Is that expected? > > > > Sorry for using this same thread. If this needs to be taken care of, I > will > > create a new task. > > Thanks! > > > > > > On Tue, Dec 29, 2015 at 8:41 PM, Nuria Ruiz <[email protected]> wrote: > >> > >> Sorry i misses this but it always has sent events to a real high volume. > >> > >> On Tue, Dec 22, 2015 at 10:25 AM, Jon Katz <[email protected]> wrote: > >>> > >>> + Dmitry > >>> > >>> Hi Nuria, > >>> I will ask Dmitry to confirm, but I think a pause is fine for the next > >>> couple of days as long as we are given the timestamps for outage can > note it > >>> on the schema wiki page. Is this a sudden increase or has it always > been > >>> sending to high of a volume? Regardless, I imagine a higher sampling > rate > >>> can probably be applied. > >>> -J > >>> > >>> On Tue, Dec 22, 2015 at 9:58 AM, Nuria Ruiz <[email protected]> > wrote: > >>>> > >>>> Team: > >>>> > >>>> This schema MobileWikiAppShareAFact is sending a lot of events, maybe > >>>> is worth thinking whether we need that many. It is again a case where > tables > >>>> are becoming huge and hard to query fast. > >>>> > >>>> cc-ing Jon as schema owner. > >>>> > >>>> Can this data be sampled at a higher sampling rate? I have filed a > >>>> ticket to this fact: > >>>> https://phabricator.wikimedia.org/T122224 > >>>> > >>>> Thanks, > >>>> > >>>> Nuria > >>>> > >>>> > >>>> > >>>> > >>>> On Tue, Dec 22, 2015 at 8:35 AM, Adam Baso <[email protected]> > wrote: > >>>>> > >>>>> Replacing mobile-tech with mobile-l (internal mobile-tech list > >>>>> discontinued). > >>>>> > >>>>> > >>>>> On Tuesday, December 22, 2015, Nuria Ruiz <[email protected]> > wrote: > >>>>>> > >>>>>> Team: > >>>>>> > >>>>>> As part of our effort of converting eventlogging mysql database to > the > >>>>>> tokudb engine we need to stop eventlogging events from flowing into > the > >>>>>> MobileWikiAppShareAFact table, we are using this one table to see > how long > >>>>>> the conversion will take in order to plan for a larger outage > window. > >>>>>> > >>>>>> > >>>>>> Let us know if data should be backfilled as it can be, we anticipate > >>>>>> events will not flow into table for the better part of one day. > >>>>>> > >>>>>> > >>>>>> Thanks, > >>>>>> > >>>>>> Nuria > >>>>>> > >>>>>> > >>>>> > >>>>> _______________________________________________ > >>>>> Mobile-l mailing list > >>>>> [email protected] > >>>>> https://lists.wikimedia.org/mailman/listinfo/mobile-l > >>>>> > >>>> > >>> > >> > >> > >> _______________________________________________ > >> Analytics mailing list > >> [email protected] > >> https://lists.wikimedia.org/mailman/listinfo/analytics > >> > > > > > > > > -- > > Marcel Ruiz Forns > > Analytics Developer > > Wikimedia Foundation > > > > _______________________________________________ > > Analytics mailing list > > [email protected] > > https://lists.wikimedia.org/mailman/listinfo/analytics > > > > > > -- > Tilman Bayer > Senior Analyst > Wikimedia Foundation > IRC (Freenode): HaeB > > _______________________________________________ > Analytics mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/analytics > -- *Marcel Ruiz Forns* Analytics Developer Wikimedia Foundation
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