Hi, Sure we have configurable upper and lower boundaries for conversions between embedded and sbtree based implementations, to avoid frequent conversions overhead between implementations during cases when you add 60 items and then remove 5.
On Fri, Jan 24, 2014 at 3:05 PM, Kai Londenberg < [email protected]> wrote: > Hi, > > just a short question. Are you going to make that number (50) configurable > ? It might make sense to set it to a lower number to get maximum > performance. > > best, > > Kai Londenberg > > > 2014/1/24 <[email protected]> > > Thank you Andrey. >> >> Look forward to the changes are they in 1.7 SNAPSHOT already? >> It's good to know about the ~50 links and the separate data structure. >> >> Can I force the system to use the separate data structure after insert? >> (The reason I ask is that if I can then I can use oversize=0 and rely on >> the external structure for the few vertexes that will require new edges) >> >> Regards, >> -Stefán >> >> On Friday, 24 January 2014 11:57:02 UTC, Andrey Lomakin wrote: >> >>> Stefan, >>> We are going to release first version of implementation of new relations >>> in graphdb which is sometimes 20x (that is true) times faster than current >>> one. >>> Aslo data structure is used in this relations was tested by Kai >>> Londenberg and he confirmed https://groups.google.com/forum/#!searchin/ >>> orient-database/sbtreebansai/orient-database/ltNElAF0H_o/uQOwqAliUH8Jthat >>> even on millions of relations there is no performance degradation. >>> >>> I attached also early benchmarks, that is benchmark of import or >>> Wikipedia data in OrientDB. >>> >>> Firs line amount of records, second line time spent for insertion of 100 >>> 000 records. >>> >>> Full benchmark which we will run during 12 hours will be published at >>> Monday (ridbag is new impl ridset is old impl). >>> >>> >>> About your question in case of more than 50 links (roughly speaking) >>> these links are stored in separate data structure so you should not worry >>> about oversize. >>> >>> >>> On Fri, Jan 24, 2014 at 1:21 PM, <[email protected]> wrote: >>> >>>> Hi, >>>> >>>> I have a potential use case where I have a very high number of edges >>>> (millions) for a document and I'm wondering if I should change them to >>>> one-directional links from the other site. >>>> >>>> Is there a practical limit to the number of edges for a vertex? (not >>>> theoretical) >>>> This is not a common case so I wonder if I should leave the oversize >>>> attribute at 2 or increase the default. >>>> >>>> Regards, >>>> -Stefán >>>> >>>> >>>> >>>> >>>> On Friday, 24 January 2014 09:28:08 UTC, Andrey Lomakin wrote: >>>> >>>>> Hi Stefan, >>>>> It affects edge creation so better do not set it to 0 >>>>> >>>>> >>>>> >>>>> On Fri, Jan 24, 2014 at 10:49 AM, <[email protected]> wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> I'm persisting vertexes as append-only which will not be altered. >>>>>> In some cases edges might be added later for that that document >>>>>> (ACL). >>>>>> >>>>>> Is it good for me to set oversize=0 or does that in any way affect >>>>>> the creation of the new edges? >>>>>> >>>>>> Regards, >>>>>> - Stefan >>>>>> >>>>>> -- >>>>>> >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "OrientDB" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> >>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Best regards, >>>>> Andrey Lomakin. >>>>> >>>>> Orient Technologies >>>>> the Company behind OrientDB >>>>> >>>>> -- >>>> >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "OrientDB" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> >>> >>> -- >>> Best regards, >>> Andrey Lomakin. >>> >>> Orient Technologies >>> the Company behind OrientDB >>> >>> > -- > > --- > You received this message because you are subscribed to the Google Groups > "OrientDB" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- Best regards, Andrey Lomakin. Orient Technologies the Company behind OrientDB -- --- You received this message because you are subscribed to the Google Groups "OrientDB" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
