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https://issues.apache.org/jira/browse/BEAM-4276?focusedWorklogId=108766&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-108766
]
ASF GitHub Bot logged work on BEAM-4276:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Jun/18 21:25
Start Date: 04/Jun/18 21:25
Worklog Time Spent: 10m
Work Description: lostluck commented on a change in pull request #5507:
[BEAM-4276] Add combiner lifting support to Go SDK
URL: https://github.com/apache/beam/pull/5507#discussion_r192885621
##########
File path: sdks/go/pkg/beam/transforms/top/top.go
##########
@@ -106,9 +106,9 @@ func validate(t typex.FullType, n int, less interface{}) {
funcx.MustSatisfy(less, funcx.Replace(sig, beam.TType, t.Type()))
}
-// TODO(herohde) 5/25/2017: the accumulator should be serializable with a
Coder.
-// We need a coder here, because the elements are generally code-able only.
Until
-// then, we do not support combiner lifting.
+// TODO(herohde) 5/25/2017: BEAM-XXXX the accumulator should be serializable
Review comment:
Done
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Issue Time Tracking
-------------------
Worklog Id: (was: 108766)
Time Spent: 4h 40m (was: 4.5h)
> Implement the portable lifted Combiner transforms in Go SDK
> -----------------------------------------------------------
>
> Key: BEAM-4276
> URL: https://issues.apache.org/jira/browse/BEAM-4276
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-go
> Reporter: Henning Rohde
> Assignee: Robert Burke
> Priority: Major
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> Specifically add the necessary code to produce a Combine Composite with the
> correct URN, and permit the SDK harness to understand the lifted parts when
> receiving a bundle plan from the worker.
> Not expected as part of this issue is:
> Additional performance tweaks to the in memory cache (See
> [BEAM-4468|https://issues.apache.org/jira/browse/BEAM-4468])
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