I am not sure you still need to do batching since Web API can handle caching.
If you really need it, I think GoupIntoBatches is a good way to go. On Mon, Apr 15, 2024 at 11:30 AM Ruben Vargas <ruben.var...@metova.com> wrote: > Is there a way to do batching in that transformation? I'm assuming for > now no. or may be using in conjuntion with GoupIntoBatches > > On Mon, Apr 15, 2024 at 9:29 AM Ruben Vargas <ruben.var...@metova.com> > wrote: > > > > Interesting > > > > I think the cache feature could be interesting for some use cases I have. > > > > On Mon, Apr 15, 2024 at 9:18 AM XQ Hu <x...@google.com> wrote: > > > > > > For the new web API IO, the page lists these features: > > > > > > developers provide minimal code that invokes Web API endpoint > > > delegate to the transform to handle request retries and exponential > backoff > > > optional caching of request and response associations > > > optional metrics > > > > > > > > > On Mon, Apr 15, 2024 at 10:38 AM Ruben Vargas <ruben.var...@metova.com> > wrote: > > >> > > >> That one looks interesting > > >> > > >> What is not clear to me is what are the advantages of using it? Is > > >> only the error/retry handling? anything in terms of performance? > > >> > > >> My PCollection is unbounded but I was thinking of sending my messages > > >> in batches to the external API in order to gain some performance > > >> (don't expect to send 1 http request per message). > > >> > > >> Thank you very much for all your responses! > > >> > > >> > > >> On Sun, Apr 14, 2024 at 8:28 AM XQ Hu via user <user@beam.apache.org> > wrote: > > >> > > > >> > To enrich your data, have you checked > https://cloud.google.com/dataflow/docs/guides/enrichment? > > >> > > > >> > This transform is built on top of > https://beam.apache.org/documentation/io/built-in/webapis/ > > >> > > > >> > On Fri, Apr 12, 2024 at 4:38 PM Ruben Vargas < > ruben.var...@metova.com> wrote: > > >> >> > > >> >> On Fri, Apr 12, 2024 at 2:17 PM Jaehyeon Kim <dott...@gmail.com> > wrote: > > >> >> > > > >> >> > Here is an example from a book that I'm reading now and it may > be applicable. > > >> >> > > > >> >> > JAVA - (id.hashCode() & Integer.MAX_VALUE) % 100 > > >> >> > PYTHON - ord(id[0]) % 100 > > >> >> > > >> >> Maybe this is what I'm looking for. I'll give it a try. Thanks! > > >> >> > > >> >> > > > >> >> > On Sat, 13 Apr 2024 at 06:12, George Dekermenjian < > ged1...@gmail.com> wrote: > > >> >> >> > > >> >> >> How about just keeping track of a buffer and flush the buffer > after 100 messages and if there is a buffer on finish_bundle as well? > > >> >> >> > > >> >> >> > > >> >> > > >> >> If this is in memory, It could lead to potential loss of data. > That is > > >> >> why the state is used or at least that is my understanding. but > maybe > > >> >> there is a way to do this in the state? > > >> >> > > >> >> > > >> >> >> On Fri, Apr 12, 2024 at 21.23 Ruben Vargas < > ruben.var...@metova.com> wrote: > > >> >> >>> > > >> >> >>> Hello guys > > >> >> >>> > > >> >> >>> Maybe this question was already answered, but I cannot find > it and > > >> >> >>> want some more input on this topic. > > >> >> >>> > > >> >> >>> I have some messages that don't have any particular key > candidate, > > >> >> >>> except the ID, but I don't want to use it because the idea is > to > > >> >> >>> group multiple IDs in the same batch. > > >> >> >>> > > >> >> >>> This is my use case: > > >> >> >>> > > >> >> >>> I have an endpoint where I'm gonna send the message ID, this > endpoint > > >> >> >>> is gonna return me certain information which I will use to > enrich my > > >> >> >>> message. In order to avoid fetching the endpoint per message I > want to > > >> >> >>> batch it in 100 and send the 100 IDs in one request ( the > endpoint > > >> >> >>> supports it) . I was thinking on using GroupIntoBatches. > > >> >> >>> > > >> >> >>> - If I choose the ID as the key, my understanding is that it > won't > > >> >> >>> work in the way I want (because it will form batches of the > same ID). > > >> >> >>> - Use a constant will be a problem for parallelism, is that > correct? > > >> >> >>> > > >> >> >>> Then my question is, what should I use as a key? Maybe > something > > >> >> >>> regarding the timestamp? so I can have groups of messages that > arrive > > >> >> >>> at a certain second? > > >> >> >>> > > >> >> >>> Any suggestions would be appreciated > > >> >> >>> > > >> >> >>> Thanks. >
