How large is the BigQuery table? Does it fit in memory?

10 columns (each column data is small), 800,000 rows of data. I believe these 
data should be easily fitted into the memory.




At 2020-05-24 11:13:04, "Reuven Lax" <re...@google.com> wrote:

How large is the BigQuery table? Does it fit in memory?


On Sat, May 23, 2020 at 7:01 PM 杨胜 <liff...@163.com> wrote:

Hi everyone,


I am new to apache beam, but I had experiences on spark streaming. 


I have a daily updated bigquery table, I want to use this bigquery table as a 
lookup table, read this table into beam  as  bounded PCollection<TableRow> and 
refresh this collection within beam on daily basis, I named this variable 
bigqueryTableRows. I also had another pubsub topic messages, I want to read 
this message as unbounded PCollection<TableRow>, I named this variable as 
pubsubTableRows. then join bigqueryTableRows with pubsubTableRows. finally 
write result into bigquery.


I have checked all the examples under beam's github repository: 
https://github.com/apache/beam/tree/d906270f243bb4de20a7f0baf514667590c8c494/examples/java/src/main/java/org/apache/beam/examples.
 But none matches my case. 


Any suggestion on how I should implement my pipeline?


Many Thanks,
Steven




 

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