Re: IO related waits

On 9/16/24 13:24, veem v wrote:
> Hi,
> One of our application using RDS postgres. In one of our streaming
> applications(using flink) which processes 100's of millions of
> transactions each day, we are using row by row transaction processing
> for inserting data into the postgres database and commit is performed
> for each row. We are seeing heavy IO:XactSynch wait events during the
> data load and also high overall response time.
>
> Architecture team is suggesting to enable asynch io if possible, so that
> the streaming client will not wait for the commit confirmation from the
> database. So I want to understand , how asynch io can be enabled and if
> any downsides of doing this?

Are you referring to this?:

https://nightlies.apache.org/flink/flink-docs-release-1.20/docs/dev/datastream/operators/asyncio/

If not then you will need to be more specific.

>
> Regards
> Veem

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com