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https://issues.apache.org/jira/browse/BEAM-4152?focusedWorklogId=626252&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-626252
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ASF GitHub Bot logged work on BEAM-4152:
----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Jul/21 17:22
Start Date: 21/Jul/21 17:22
Worklog Time Spent: 10m
Work Description: jrmccluskey commented on a change in pull request
#15196:
URL: https://github.com/apache/beam/pull/15196#discussion_r674185777
##########
File path: sdks/go/pkg/beam/runners/direct/gbk.go
##########
@@ -100,6 +114,68 @@ func (n *CoGBK) FinishBundle(ctx context.Context) error {
return n.Out.FinishBundle(ctx)
}
+func (n *CoGBK) mergeWindows() error {
+ sort.Slice(n.wins, func(i int, j int) bool {
+ return n.wins[i].MaxTimestamp() < n.wins[j].MaxTimestamp()
+ })
+ n.mergeMap = make(map[typex.Window]int)
Review comment:
Done. I figured using some memory to store the map was favorable to
slowing things down by needing a binary search implementation to assign the
original windows to the merged versions, but tweaking where that is kept to
make GC happen sooner is a reasonable improvement.
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Issue Time Tracking
-------------------
Worklog Id: (was: 626252)
Time Spent: 10h 20m (was: 10h 10m)
> Support Go session windowing
> ----------------------------
>
> Key: BEAM-4152
> URL: https://issues.apache.org/jira/browse/BEAM-4152
> Project: Beam
> Issue Type: Improvement
> Components: sdk-go
> Reporter: Henning Rohde
> Assignee: Jack McCluskey
> Priority: P2
> Labels: starter
> Time Spent: 10h 20m
> Remaining Estimate: 0h
>
> Support session windowing and how to handle merging windows.
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