Hi Mich, I use Spark Thrift Server basically it acts like Hive. I see that there is property in Hive.
> hive.limit.optimize.fetch.max > Default Value: 50000 > Added In: Hive 0.8.0 > Maximum number of rows allowed for a smaller subset of data for simple LIMIT, > if it is a fetch query. Insert queries are not restricted by this limit. Is that related to the problem? > On Aug 2, 2016, at 2:55 PM, Mich Talebzadeh <mich.talebza...@gmail.com> wrote: > > This is a classic problem on any RDBMS > > Set the limit on the number of rows returned like maximum of 50K rows through > JDBC > > What is your JDBC connection going to? Meaning which RDBMS if any? > > HTH > > Dr Mich Talebzadeh > > LinkedIn > https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw > > <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw> > > http://talebzadehmich.wordpress.com <http://talebzadehmich.wordpress.com/> > > Disclaimer: Use it at your own risk. Any and all responsibility for any loss, > damage or destruction of data or any other property which may arise from > relying on this email's technical content is explicitly disclaimed. The > author will in no case be liable for any monetary damages arising from such > loss, damage or destruction. > > > On 2 August 2016 at 08:41, Chanh Le <giaosu...@gmail.com > <mailto:giaosu...@gmail.com>> wrote: > Hi everyone, > I setup STS and use Zeppelin to query data through JDBC connection. > A problem we are facing is users usually forget to put limit in the query so > it causes hang the cluster. > > SELECT * FROM tableA; > > Is there anyway to config the limit by default ? > > > Regards, > Chanh >
