Re: Parameter to config read frequency in Kafka SQL connector

2021-03-22 Thread eef hhj
no experience with this. You can pass any Kafka > client parameters through the properties.* option[1] and see if the > setting works for you. > > Best, > > Dawid > > [1] > > https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/table/connectors/kafka.html#

Re: Approaches to customize the parallelism in SQL generated operators

2021-03-22 Thread eef hhj
ith some slots having more operators than others. > > Regards, > David > > On Thu, Mar 18, 2021 at 1:03 PM eef hhj wrote: > >> Hi team, >> >> Currently the SQL generated operator has all the same parallelism by >> default, and we faced a issue that the in th

Approaches to customize the parallelism in SQL generated operators

2021-03-18 Thread eef hhj
Hi team, Currently the SQL generated operator has all the same parallelism by default, and we faced a issue that the in the case of multiple join, the operator at later stage faces larger computation so that the overall pipeline is back-presured and it causes checkpoint fail(expired) occasionaly.

Parameter to config read frequency in Kafka SQL connector

2021-03-18 Thread eef hhj
Hi team, We are in a situatoin that we want to reduce the read frequency of Kafka SQL connector. I did some investigation on the properties of Kafka client, while it seems it does not have such options. Athough I found the batch size config('properties.max.partition.fetch.bytes') among the config

Re: Filesystem as a stream source in Table/SQL API

2020-11-22 Thread eef hhj
iles to read at startup >> and won't change during running. If you want to need this function, you >> may need to customize a new connector. >> >> Best, >> Xingbo >> >> eef hhj 于2020年11月21日周六 下午2:38写道: >> >>> Hi, >>> >>>

Filesystem as a stream source in Table/SQL API

2020-11-20 Thread eef hhj
Hi, I'm facing a situation where I want the Flink App to dynamically detect the change of the Filesystem batch data source. As I tried in the following example in sql-client.sh, it can query all the records under the folder for the select. While I'm adding a new file to the folder, the query does