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https://issues.apache.org/jira/browse/BEAM-11996?focusedWorklogId=646493&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-646493
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ASF GitHub Bot logged work on BEAM-11996:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Sep/21 22:15
Start Date: 03/Sep/21 22:15
Worklog Time Spent: 10m
Work Description: MiguelAnzoWizeline commented on pull request #14811:
URL: https://github.com/apache/beam/pull/14811#issuecomment-912839733
Hi @lukecwik thanks for the comment.
I have been thinking on the options you mentioned and I think that waiting
for BEAM-12522 would be my preferred option over the CoGroupByKey one mainly to
avoid changing the input to <Transaction, ReadOperation> as it seems to me a
less natural way to approach it than obtaining the Transaction via SideInput
and having to only process <ReadOperation>, but of course I could be wrong in
this.
Regarding your questions, I'm sorry but I currently don't really know how
many partitions or output is generally produced when working with the Spanner
IO, but if sub-partition splitting would help increase parallelism then I think
the approach to take here would be to merge both DoFn into one
DoFn<ReadOperation, Struct> where we take the transaction from the SideInput to
create the partitions and split based on the partitions, this when BEAM-12522
is done.
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Issue Time Tracking
-------------------
Worklog Id: (was: 646493)
Time Spent: 6h 50m (was: 6h 40m)
> Implement SpannerIO on top of Splittable DoFn
> ---------------------------------------------
>
> Key: BEAM-11996
> URL: https://issues.apache.org/jira/browse/BEAM-11996
> Project: Beam
> Issue Type: Improvement
> Components: io-java-gcp
> Reporter: Boyuan Zhang
> Assignee: Miguel Anzo
> Priority: P2
> Time Spent: 6h 50m
> Remaining Estimate: 0h
>
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