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Posted to commits@beam.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/06/22 00:29:58 UTC
[jira] [Commented] (BEAM-367) GetFractionConsumed() inaccurate for
non-uniform records
[ https://issues.apache.org/jira/browse/BEAM-367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15343099#comment-15343099 ]
ASF GitHub Bot commented on BEAM-367:
-------------------------------------
GitHub user ianzhou1 opened a pull request:
https://github.com/apache/incubator-beam/pull/515
[BEAM-367] Modify offset range tracker to use first response as start offset
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---
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ianzhou1/incubator-beam OffsetRangeTrackerUpdateStartOffset
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-beam/pull/515.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #515
----
commit d9f11ad88d428feefba50faa8f64b1912da97362
Author: Ian Zhou <ia...@google.com>
Date: 2016-06-22T00:23:09Z
Modify offset range tracker to use first response as start offset
----
> GetFractionConsumed() inaccurate for non-uniform records
> --------------------------------------------------------
>
> Key: BEAM-367
> URL: https://issues.apache.org/jira/browse/BEAM-367
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-gcp
> Reporter: Ian Zhou
> Assignee: Daniel Halperin
> Priority: Minor
>
> GetFractionConsumed() provides inaccurate progress updates for clustered records. For example, for a range spanning [1, 10], a cluster of records around 5 (e.g. 5.000001 ..., 5.000009) will be recorded as ~50% complete upon reading the first record, and will remain at this percentage until the final record has been read. Instead, the start of the range should be changed to the first record seen (e.g. new range [5.000001, 10]). The end of the range can be changed over time through dynamic work rebalancing.
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