[Herddb-dev] HerdDB collections in production

Enrico Olivelli eolivelli at gmail.com
Thu Aug 22 18:38:49 CEST 2019


Il gio 22 ago 2019, 17:47 Alessandro Luccaroni - Diennea <
alessandro.luccaroni at diennea.com> ha scritto:

> Hi list,
>
> I’m happy to say that, since the last update of Herd (v0.11.9), we are
> using HerdDB collections in production system and we are very pleased with
> the performance and the memory usage of Herd.
>


Great news!

Kudos



>
> We first tried to switch with herd v0.11.0 but we encountered some
> problems on services with lots of data being continuisly load and unloaded
> (mainly related to filesystem usage)…you can see an history of the fixes
> needed in the release histo fo the v0.11 branch, thanks Enrico and Diego!
>
>
> I don’t have hard numbers on hand (I need to switch back to MapDB and
> perform some comparisons, I will update you tomorrow on that), but the
> performance are at least in line (I think they are better) with the added
> benefit of the controlled memory usage and a BIG reduction in storage IOPS
> (Herd data storage versus the memory mapped files of MapDB).
>
>
>
> PS: @Amit I’ve found this benchmark used in past by MapDB (
> https://github.com/jankotek/mapdb-benchmarks), maybe it would be good to
> integrate some bench regarding Collections before starting advertise this
> feature of herd
>
Sure
We can wait for 0.12.0 release


Enrico


>
> *Alessandro Luccaroni*
> Platform Manager @ Diennea - MagNews
> Tel.: (+39) 0546 066100 Int. 924 - Mob.: (+39) 393 7273519
> Viale G.Marconi 30/14 - 48018 Faenza (RA) - Italy
>
>
>
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