Hi Denis -- How would I detect that rebalancing started, or finished? Do I need to listen to the rebalancing events and abort the task in case a rebalancing has started? thanks.
On Fri, Oct 30, 2020 at 4:28 PM Denis Magda <dma...@apache.org> wrote: > Hi Narges, > > Then just send a task to a required node. If the cluster topology changes > while the task was running you can re-submit it to ensure the result is > accurate. > > - > Denis > > > On Fri, Oct 30, 2020 at 2:16 PM narges saleh <snarges...@gmail.com> wrote: > >> Hi Denis, >> >> My problem with using affinity call/run is that I have to have the key in >> order to run it. I just want to run a function on the data on the current >> node, without knowing the key. Is there anyway to do this and also >> guard against partition rebalancing? >> >> thanks >> >> On Tue, Oct 27, 2020 at 10:31 AM narges saleh <snarges...@gmail.com> >> wrote: >> >>> Thanks Ilya, Denis for the feedback. >>> >>> On Mon, Oct 26, 2020 at 1:44 PM Denis Magda <dma...@apache.org> wrote: >>> >>>> Narges, >>>> >>>> Also, keep in mind that if a local query is executed over a partitioned >>>> table and it happens that partitions rebalancing starts, the local query >>>> might return a wrong result (if partitions the query was executed over were >>>> rebalanced to another node during the query execution time). To address >>>> this: >>>> >>>> 1. Execute the local query inside of an affinityCall/Run function ( >>>> >>>> https://ignite.apache.org/docs/latest/distributed-computing/collocated-computations#colocating-by-key). >>>> Those functions don't let partitions be evicted until the function >>>> execution completes. >>>> 2. Don't use the local queries, let the Ignite SQL engine to run >>>> standard queries, and to take care of possible optimizations. >>>> >>>> >>>> - >>>> Denis >>>> >>>> >>>> On Mon, Oct 26, 2020 at 8:50 AM Ilya Kasnacheev < >>>> ilya.kasnach...@gmail.com> wrote: >>>> >>>>> Hello! >>>>> >>>>> You are using an Ignite Thick Client driver. As its name implies, it >>>>> will start a local client node and then connect to it, without the option >>>>> of doing local queries. >>>>> >>>>> You need to use Ignite Thin JDBC driver: jdbc:ignite:thin://<server ip> >>>>> Then you can do local queries. >>>>> >>>>> Regards, >>>>> -- >>>>> Ilya Kasnacheev >>>>> >>>>> >>>>> сб, 24 окт. 2020 г. в 16:04, narges saleh <snarges...@gmail.com>: >>>>> >>>>>> Hello Ilya >>>>>> Yes, it happens all the time. It seems ignite forces the "client" >>>>>> establishing the jdbc connection into a client mode, even if I set >>>>>> client=false. The sample code and config are attached. The question is >>>>>> how >>>>>> do I force JDBC connections from a server node. >>>>>> thanks. >>>>>> >>>>>> On Fri, Oct 23, 2020 at 10:31 AM Ilya Kasnacheev < >>>>>> ilya.kasnach...@gmail.com> wrote: >>>>>> >>>>>>> Hello! >>>>>>> >>>>>>> Does this happen every time? If so, do you have a reproducer for the >>>>>>> issue? >>>>>>> >>>>>>> Regards, >>>>>>> -- >>>>>>> Ilya Kasnacheev >>>>>>> >>>>>>> >>>>>>> пт, 23 окт. 2020 г. в 13:06, narges saleh <snarges...@gmail.com>: >>>>>>> >>>>>>>> Denis -- Just checked. I do specify my services to be deployed on >>>>>>>> server nodes only. Why would ignite think that I am running my code on >>>>>>>> a >>>>>>>> client node? >>>>>>>> >>>>>>>> On Fri, Oct 23, 2020 at 3:50 AM narges saleh <snarges...@gmail.com> >>>>>>>> wrote: >>>>>>>> >>>>>>>>> Hi Denis >>>>>>>>> What would make an ignite node a client node? The code is invoked >>>>>>>>> via an ignite service deployed on each node and I am not setting the >>>>>>>>> client >>>>>>>>> mode anywhere. The code sets the jdbc connection to local and tries to >>>>>>>>> execute a sql code on the node in some interval. By the way, I didn't >>>>>>>>> know >>>>>>>>> one could deploy a service on client nodes. Do I need to explicitly >>>>>>>>> mark a >>>>>>>>> node as a server node when deploying a service? >>>>>>>>> thanks >>>>>>>>> >>>>>>>>> On Thu, Oct 22, 2020 at 9:42 PM Denis Magda <dma...@apache.org> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> The error message says you're attempting to run the query on a >>>>>>>>>> client node. If that's the case (if the service is deployed on the >>>>>>>>>> client >>>>>>>>>> node), then the local flag has no effect because client nodes don't >>>>>>>>>> keep >>>>>>>>>> your data locally but rather consume it from servers. >>>>>>>>>> >>>>>>>>>> - >>>>>>>>>> Denis >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Thu, Oct 22, 2020 at 6:26 PM narges saleh < >>>>>>>>>> snarges...@gmail.com> wrote: >>>>>>>>>> >>>>>>>>>>> Hi All, >>>>>>>>>>> I am trying to execute a sql query via a JDBC connection on the >>>>>>>>>>> service node (the query is run via a service), but I am getting >>>>>>>>>>> *Execution >>>>>>>>>>> of local SqlFieldsQuery on client node disallowed.* >>>>>>>>>>> *The JDBC connection has the option local=true as I want to run >>>>>>>>>>> the query on the data on the local node only.* >>>>>>>>>>> *Any idea why I am getting this error?* >>>>>>>>>>> >>>>>>>>>>> *thanks.* >>>>>>>>>>> >>>>>>>>>>
