[
https://issues.apache.org/jira/browse/BEAM-10047?focusedWorklogId=450182&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-450182
]
ASF GitHub Bot logged work on BEAM-10047:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Jun/20 02:12
Start Date: 24/Jun/20 02:12
Worklog Time Spent: 10m
Work Description: tvalentyn commented on pull request #11570:
URL: https://github.com/apache/beam/pull/11570#issuecomment-648539787
```
[CheckStyle] Attaching ResultAction with ID 'checkstyle' to run
'beam_PreCommit_Java_Commit #11858'.
Setting status of a74866ba56d92d9476006b7e40a0e0ff916748ca to FAILURE with
url https://ci-beam.apache.org/job/beam_PreCommit_Java_Commit/11858/ and
message: 'Build finished. '
Using context: Java ("Run Java PreCommit")
Finished: ABORTED
```
Can't tell if tests passed or not, rerunning.
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Issue Time Tracking
-------------------
Worklog Id: (was: 450182)
Time Spent: 50m (was: 40m)
> SpannerIO: Combine sorting and batching
> ---------------------------------------
>
> Key: BEAM-10047
> URL: https://issues.apache.org/jira/browse/BEAM-10047
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Affects Versions: 2.16.0, 2.17.0, 2.18.0, 2.19.0, 2.20.0, 2.21.0, 2.22.0
> Reporter: Brian Hulette
> Assignee: Niel Markwick
> Priority: P2
> Fix For: 2.23.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> having Spanner IO's grouping, sorting and batching as separate stages makes
> no sense as these stages will be fused in any runner that supports fusion.
> In addition during these stages, even with fusion, at least 3 full copies of
> each mutation are made (serialized then deserialized objects), which leads to
> an extremely large use of memory.
>
> Combining these stages would significantly reduce memory usage, and improve
> performance.
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