How can I enable this on the server configuration XML? BR > On Dec 11, 2017, at 2:31 PM, Nikolai Tikhonov <[email protected]> wrote: > > Hi, > > Strongly recommend to care about collocation of your data (as above suggested > by Vlad) instead of enable DistributedJoins flag. The performance of this > type of joins is worse then the performance of the affinity collocation based > joins due to the fact that there will be much more network round-trips and > data movement between the nodes to fulfill a query [1]. > > 1. > https://apacheignite-sql.readme.io/docs/distributed-joins#non-collocated-joins > > <https://apacheignite-sql.readme.io/docs/distributed-joins#non-collocated-joins> > > > On Mon, Dec 11, 2017 at 3:03 PM, Ahmad Al-Masry <[email protected] > <mailto:[email protected]>> wrote: > Hi; > When I enabled the distributed JOIN, get the following Exception: > > java.sql.SQLException: javax.cache.CacheException: Failed to prepare > distributed join query: join condition does not use index > [joinedCache=PositionTypeCache > > Should I remove the indexes before doing distributed joins? > BR > > >> On Dec 11, 2017, at 10:43 AM, Vladislav Pyatkov <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi, >> >> When you use JOIN, you should to enable DistributedJoins flag[1], or tack >> care about collocated of each joined entry[2]. >> >> [1]: org.apache.ignite.cache.query.SqlFieldsQuery#setDistributedJoins >> [2]: https://apacheignite.readme.io/docs >> <https://apacheignite.readme.io/docs> >> >> On Mon, Dec 11, 2017 at 11:36 AM, Ahmad Al-Masry <[email protected] >> <mailto:[email protected]>> wrote: >> Dears; >> The when I execute the attached query on Mysql data source or on a single >> node ignite, it returns about 25k records. >> When multiple node, it gives me about 3500 records. >> The caches are atomic and partitioned. >> Any suggestions. >> BR >> >> -- >> >> >> >> This email, and the content it contains, are intended only for the persons >> or entities to which it is addressed. It may contain sensitive, >> confidential and/or privileged material. Any review, retransmission, >> dissemination or other use of, or taking of any action in reliance upon, >> this information by persons or entities other than the intended >> recipient(s) is prohibited. If you received this email in error, please >> immediately contact security[at]harri[dot]com and delete it from any device >> or system on which it may be stored. >> >> >> >> -- >> Vladislav Pyatkov > > > > This email, and the content it contains, are intended only for the persons or > entities to which it is addressed. It may contain sensitive, confidential > and/or privileged material. Any review, retransmission, dissemination or > other use of, or taking of any action in reliance upon, this information by > persons or entities other than the intended recipient(s) is prohibited. If > you received this email in error, please immediately contact > security[at]harri[dot]com and delete it from any device or system on which it > may be stored. >
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