dataflow

问题 I am having system that continuously processing messages. I want to make sure that I request messages from an external queue only when previous message was processed. Lets imagine that GetMessages method requests messages from external queue. Got event 1. Will push it Pushed 1 Got event 2. Will push it - my concert is here. As we get item before processing previous Processing 1 Processed 1 Deleted 1 Code: using System; using System.Collections.Generic; using System.Linq; using System

问题 So when I try to run dataflow with the DataflowRunner and include the requirements.txt which looks like this google-cloud-storage==1.28.1 pandas==1.0.3 smart-open==2.0.0 Every time it fails on this line INFO:apache_beam.runners.dataflow.internal.apiclient:Starting GCS upload to gs://..../beamapp-.../numpy-1.18.2.zip... Traceback (most recent call last): File "Database.py", line 107, in <module> run() File "Database.py", line 101, in run | 'Write CSV' >> beam.ParDo(WriteCSVFIle(options.output

问题 So when I try to run dataflow with the DataflowRunner and include the requirements.txt which looks like this google-cloud-storage==1.28.1 pandas==1.0.3 smart-open==2.0.0 Every time it fails on this line INFO:apache_beam.runners.dataflow.internal.apiclient:Starting GCS upload to gs://..../beamapp-.../numpy-1.18.2.zip... Traceback (most recent call last): File "Database.py", line 107, in <module> run() File "Database.py", line 101, in run | 'Write CSV' >> beam.ParDo(WriteCSVFIle(options.output

来源： https://stackoverflow.com/questions/64126581/how-to-set-up-a-ssh-tunnel-in-google-cloud-dataflow-to-an-external-database-serv

来源： https://stackoverflow.com/questions/64126581/how-to-set-up-a-ssh-tunnel-in-google-cloud-dataflow-to-an-external-database-serv

来源： https://stackoverflow.com/questions/64126581/how-to-set-up-a-ssh-tunnel-in-google-cloud-dataflow-to-an-external-database-serv

来源： https://stackoverflow.com/questions/54197584/pubsubio-msg-exceeding-max-size-how-to-perform-error-handling

来源： https://stackoverflow.com/questions/46854167/dataflow-streaming-using-python-sdk-transform-for-pubsub-messages-to-bigquery-o

问题 I am trying to load the data into below table. I am able to load the data in "array_data". But how to load the data in nested array "inside_array".I have tried the commented part to load the data in inside_array array but it did not work. enter image description here Here is my code.- Pipeline p = Pipeline.create(options); org.apache.beam.sdk.values.PCollection<TableRow> output = p.apply(org.apache.beam.sdk.transforms.Create.of("temp")) .apply("O/P",ParDo.of(new DoFn<String, TableRow>() { /**

问题 I have a TransformManyBlock with the following design: Input: Path to a file Output: IEnumerable of the file's contents, one line at a time I am running this block on a huge file (61GB), which is too large to fit into RAM. In order to avoid unbounded memory growth, I have set BoundedCapacity to a very low value (e.g. 1) for this block, and all downstream blocks. Nonetheless, the block apparently iterates the IEnumerable greedily, which consumes all available memory on the computer, grinding